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程庆沙 Qingsha's name in Chinese

email: chengqs@sustech.edu.cn

https://orcid.org/0000-0003-3869-3378

 Dr. Qingsha S. Cheng 程庆沙博士
Available Positions
招收硕士\博士研究生\博士后\工程师启示
Qingsha (Shasha) Cheng was born in Chongqing, China. He received his B.Eng. degree and M.Eng. in automation from Chongqing University, Chongqing, China. He received his Ph.D. degree at McMaster University, Hamilton, Ontario, Canada, in 2004. Currently he is an associate professor at Southern University of Science and Technology (SUSTech), Shenzhen, China. 

In 1998, he joined the Department of Computer Science and Technology, Peking University, Beijing, China. In 1999, he joined the Simulation Optimization Systems Research Laboratory, Department of Electrical and Computer Engineering, McMaster University. He became a postdoctoral fellow in 2004. In 2007, he became a research associate academic and later a research engineer in the Simulation Optimization Systems Research Laboratory (SOS), Department of Electrical and Computer Engineering, McMaster University. He also consulted for Bandler Corporation. Dr. Cheng was a sessional lecturer with Faculty of Engineering at McMaster University from 2007 to 2010. In 2014, he joined SUSTech as an assistant professor and later a tenured associate professor. He was appointed Adjunct Professor with University of Regina, Canada in 2018. In 2019, he was appointed as an associate editor of International Journal of Numerical Modelling: Electronic Networks, Devices and Fields.

He was a co-organizer and chair of the Third International Workshop on Surrogate Modeling and Space Mapping for Engineering Optimization (SMSMEO 2012). In 2014, he is a co-organizer and chair of an IEEE International Microwave Symposium (IMS) workshop on Recent Advances in Space Mapping Modeling and Optimization. In 2015, he co-organized and chaired an IMS workshop on EM-Based Tuning Techniques, Computer-Aided Tuning and Tuning Space Mapping. In 2016, he was a session co-chair of IEEE NEMO and an organizer/session chair of IEEE ICCS (OC member). In 2017, he was a session co-organizer and co-chair of IEEE ACES. In 2018, he was a co-organizer and co-chair of IEEE ICCEM and IEEE NEMO(TPC member). In 2019, he served as TPC member of IEEE NEMO conference. In 2020, he was a co-organizer and co-chair of IEEE NEMO special session. In 2021, he was TPC member, session co-organizer and co-chair of IEEE ACES-China.In 2022 and 2023 he was invited as a Senior Professonal for IEEE MTT-S Young Professionals Workshop on Electromagnetic Modeling and Optimization.

Dr. Cheng was one of the original contributors of Space Mapping algorithm. He has years of research experience in space mapping, simulator-based tuning, surrogate modeling, computer-aided design, modeling of microwave circuits and antennas, software design technology and methodologies for microwave CAD. He has publications in refereed journals, conference papers, book chapters, etc. His publications have been cited more than 4500 times as of September 2024 according to Google Scholar. He has been invited to review papers in highly rated international journals such as IEEE Transactions on Microwave Theory and Techniques and IEEE Microwave and Wireless Components Letters.

Dr. Cheng taught following courses:

  • Signals and Systems (2024)
  • Advanced Nonlinear Optimization (2021-2024)
  • Antenna Theory and Techniques (2020-2024)
  • Advanced Microwave Engineering (2017-2020)
  • Engineering Ethics (2017-2019)
  • Antenna and Wave Propagation (2017-2024)
  • Nonlinear Optimization (2016-2020)
  • Microwave Engineering (2015-2020)
  • Communication Systems II (2015-2019)
  • Computer Programming (JAVA) (2015)
  • Advance Technology Lecture Series (2015-2024)
  • Java Programming (2015 Fall)
  • Engineering Graphics (2007-2010)

People

  • Hongcai Chen, Research Assistant Professor
  • Rusan Kumar Barik, Postdoctoral Fellow
  • Sounik Kiran Kumar Dash, Postdoctoral Fellow
  • Asif Khan, Postdoctoral Fellow
  • Yu Kuang (况昱), Ph.D. student (co-supervised with Zhining Chen, National University of Singapore)
  • Tianrui Qiao (乔天瑞), Ph.D. student (co-supervised with Ross Murch, HKUST, Hong Kong)
  • Chuanzhen Jia (贾传朕), Ph.D. student (co-supervised with Yaping Du, the Hong Kong Polytechnic University)
  • Yuxin Zhang (张昱心), Ph.D. student (co-supervised with WONG Hang Steve, CityU, Hong Kong)
  • Takele Yonas Mirete, Ph.D. student
  • Yiqian Kong (孔怡茜), Ph.D. student
  • Ziyi Fang (方紫怡), Ph.D. student
  • Xiaolin Fan (范小林), Ph.D. (co-supervised with Paul Laforge, University of Regina, Canada) (Graduated 2021)
  • Song (Sam) Li (李嵩), Ph.D. (co-supervised with Paul Laforge, University of Regina, Canada) (Graduated 2021)
  • Fan Jiang (江帆), Ph.D. (co-supervised with Ross Murch, HKUST, Hong Kong) (Graduated 2021)
  • Yang Yu (于洋), Ph.D. degree (co-supervised with Michael Lancaster and Yi Wang, University of Birmingham, UK and Bo Liu, University of Glasgow, UK) (Graduated 2022)
  • Zhen Zhang (张珍), Ph.D., SUSTech-HIT joint Ph.D. program (Graduated 2022, Guangzhou University)
  • Jiahua Lv (吕家华), Ph.D. (co-supervised with Yaping Du, the Hong Kong Polytechnic University) (Graduated 2023)
  • Juntao Zhang (张峻滔), Master’s student
  • Yu Deng (邓煜), Master’s student
  • Junjie Tan (谭俊杰), Master’s student
  • Hepeng Li (李贺鹏), Master’s student
  • Kaidi Xie (谢凯迪), Master’s degree (Graduated 2018)
  • Yiran Song (宋依然), Master’s degree (Graduated 2019)
  • Ying Liu (刘莹), Master’s degree (Graduated 2019)
  • Siyuan Li (李思远), Master’s degree (Graduated 2020)
  • Yaxi Jiao (焦亚茜), Master’s degree (Graduated 2022)
  • Jiaxin Liu (刘佳新), Master’s degree (Graduated 2022)
  • Haorui Guo (郭昊睿), Master’s degree (Graduated 2022)
  • Hongzhen Yi (易宏臻), Master’s degree (Graduated 2024)
  • Guangying Wang (王光英), Master’s degree (Graduated 2024)
  • Fu Zou (邹福), Master’s degree (Graduated 2024)
PUBLICATIONS (update to September, 2024)

  1. J. E. Rayas-Sánchez, Q. -J. Zhang, J. C. Rautio, N. K. Nikolova, V. E. Boria, Q. S. Cheng, M. Yu, and W. J. R. Hoefer, “Microwave modeling and design optimization: the legacy of John Bandler,” IEEE Transactions on Microwave Theory and Techniques, doi: 10.1109/TMTT.2024.3437198.
  2. J. Lyu, H. C. Chen, Q. S. Cheng, Y. Zhang, and Y. Du, “Rapid design of litz wire using surrogate assisted optimization embedding adjacent trust region,”IEEE Transactions on Components, Packaging and Manufacturing Technology, doi: 10.1109/TCPMT.2024.3423003.2.
  3. J.W. Zhang, Z. Zhang, J. Zhang, J.W. Wu, J.Y. Dai, Q. Cheng, Q.S. Cheng, and T.J. Cui, "A novel two-stage optimization framework for designing active metasurfaces based on multi-port microwave network theory," IEEE Transactions on Antennas and Propagation, vol. 72, no. 2, pp. 1603-1616, Feb. 2024, doi: 10.1109/TAP.2023.3340769.
  4. S.K.K. Dash, Q.S. Cheng, T. Khan, M.V. Yadav, and, L. Wang, "5G millimeter-wave MIMO DRAs with reduced mutual coupling," Microw. Opt. Technol. Lett., vol. 66, no. 1, Jan. 2024, doi:10.1002/mop.33982.
  5. Y. Kuang, Q.S. Cheng, and Z.N. Chen, "Characteristic mode-guided trust-region-based optimization for mode manipulation in dual-band metantenna design," IEEE Transactions on Antenna and propagation, vol. 71, no. 12, pp. 9717-9727, Dec. 2023, doi: 10.1109/TAP.2023.3317982.
  6. C. Jia, Z. Li, Y. Zhang, J. Cao, H. Chen, X. Zhao, Y. Du, Q.S. Cheng, N. Ma, and F. Qiu, "Serial arc-fault restriction survey with standard-listed products in the Chinese market," IEEE Transactions on Industry Applications, vol. 59, no. 6, pp. 7453-7461, Nov.-Dec. 2023, doi: 10.1109/TIA.2023.3296340.
  7. N.C. Pradhan, M.G. Reddy, K.S. Subramanian, R.K. Barik, S. Koziel, and Q.S. Cheng, "Microfluidic SIW-based tunable self-diplexing antenna for Sub-6 GHz band applications," IEEE Transactions on Circuits and Systems II: Express Briefs, vol. 70, no. 4, pp. 1435-1439, Apr. 2023, doi: 10.1109/TCSII.2022.3224234.
  8. Z. Zhang, B. Liu, Y. Yu, M. Imran, Q.S. Cheng, and M. Yu, "A surrogate modeling space definition method for efficient filter yield optimization," IEEE Microwave and Wireless Technology Letters, vol. 33, no. 6, pp. 631-634, June 2023, doi: 10.1109/LMWT.2023.3243524.
  9. T. Qiao, F. Jiang, S. Shen, Z. Zhang, M. Li, Y. Chiu, Q.S. Cheng, and R. Murch, "Pixel antenna optimization using the adjoint method and the method of moving asymptotes," IEEE Transactions on Antennas & Propagation, vol. 71, no. 3, pp. 2873-2878, March 2023, doi: 10.1109/TAP.2023.3240563.
  10. Y. Jiao, Q. Zhu, R. Ni, and Q.S. Cheng, "A multi-surrogate-assisted optimization framework for SSPP-based mmwave array antenna," IEEE Transactions on Antennas & Propagation, vol. 33, no. 6, pp. 631-634, June 2023, doi: 10.1109/LMWT.2023.3243524.
  11. L. Xue, B. Liu, Y. Yu, Q.S. Cheng, M. Imran and T. Qiao, "An unsupervised microwave filter design optimization method based on a hybrid surrogate model-assisted evolutionary algorithm," IEEE Trans. Microw. Theory Techn., 2022, vol. 71, no. 3, pp. 1159-1170, March 2023, doi: 10.1109/TMTT.2022.3219072.
  12. X. Wen, Y. Yu, G. Shi, Z. Wang, Q.S. Cheng, Y. Li, A. Zhang, and C. Guo,"IEEE Transactions on Microwave Theory and Techniques, "WR-3.4 Band Waveguide and Bandpass Filters Using Copper Additive Manufacturing," IEEE Transactions on Microwave Theory and Techniques, vol. 71, no. 3, pp. 1190-1200, March 2023, doi: 10.1109/TMTT.2022.3217772.
  13. N. C. Pradhan, M. G. Reddy, K. S. Subramanian, R. K. Barik, S. Koziel, and Q.S. Cheng, "Microfluidic SIW-based tunable self-diplexing antenna for sub-6 GHz band applications," IEEE Transactions on Circuits and Systems II: Express Briefs,vol. 70, no. 4, pp. 1435-1439, April 2023, doi: 10.1109/TCSII.2022.3224234.
  14. J. Lyu, H.C. Chen, Y. Du, and Q.S. Cheng, "LitzImp: a fast impedance extraction algorithm for litz wire coil," IEEE Journal on Multiscale and Multiphysics Computational Techniques, IEEE Trans. Industrial Electronics, vol. 70, no. 9, pp. 9326-9335, Sep. 2023.
  15. Y. Yu, Z. Zhang, Q.S. Cheng, B. Liu, Y. Wang, C. Guo, and T. T. Ye, "State-of-the-art: AI-assisted surrogate modeling and optimization for microwave filters", IEEE Trans. Microwave Theory Tech., vol. 70, no. 11, pp. 4635 - 4651, 2022.
  16. Y. Yu, Y. Wang, T. Skaik, T. Starke, X. Shang, M.J. Lancaster, P. Hunyor, P. Huggard, H. Wang, M. Harris, M. Beardsley, and Q.S. Cheng, "D-band waveguide diplexer fabricated using micro laser sintering," IEEE Trans. Components, Packaging and Manufacturing Technology, vol. 12, no. 9, pp. 1446-1457, 2022, doi: 10.1109/TCPMT.2022.3204887.
  17. T. Qiao, J. Zhang, and Q.S. Cheng,"Space-mapping based automatic design of SIW-based directional coupler with arbitrary power ratio," IEEE Journal on Multiscale and Multiphysics Computational Techniques, vol. 7, pp. 200-206, 2022.
  18. Z. Zhang, J.W. Zhang, J.W. Wu, J.C. Liang, Z.X. Wang, Q. Cheng, Q.S. Cheng, T.J. Cui, H.Q. Yang, G.B. Liu, and S.R. Wang, "Macromodeling of reconfigurable intelligent surface based on microwave network theory," IEEE Trans. Antenna and Prop., vol. 70, no. 10, pp. 8707-8717, Oct. 2022.
  19. Z. Zhang, H. Chen, F. Jiang, Y. Yu, and Q.S. Cheng, "K-means based multi-group differential evolution optimization framework for design of MIMO antenna with decoupling elements," IEEE Ant. and Wirel. Prop. Letters, 2022.
  20. F. Jiang, Z. Zhang, M. Li, S. Shen, C.-Y. Chiu, Y. Zhang, Q.S. Cheng, and R. Murch, "Multi-port pixel antenna optimization using characteristic mode analysis and sequential feeding port search," IEEE Trans. Antenna and Prop.,vol. 70, no. 10, pp. 9160-9174, Oct. 2022.
  21. Y. Yu, B. Liu, Y. Wang, and Q.S. Cheng, "Automated diplexer design with key performance indicator-based objectives," IEEE Microw. and Wirel. Compon. Letters, vol. 32, no. 7, pp. 827-830, July 2022
  22. Z. Zhang, B Liu, Y. Yu, and Q.S. Cheng, "A microwave filter yield optimization method based on offline surrogate model assisted evolutionary algorithm,"IEEE Trans. Microwave Theory Tech., vol. 70, no. 6, pp. 2925-2934, June 2022.
  23. R. K. Barik, S. Koziel, Q.S. Cheng, and S. Szczepanski, "Highly miniaturized self-diplexed U-shaped slot antenna based on shielded QMSIW," IEEE Access, vol. 9, pp. 158926-158935, doi: 10.1109/‌ACCESS.‌2021.3131174, 2021.
  24. Y. Yu, Y. Wang, C. , Q.S. Cheng, and M. Yu, "Resonant manifold multiplexers," IEEE Trans. Microwave Theory Tech., vol. 70, no. 2, pp. 1059-1071, Feb. 2022.
  25. S.K.K. Dash, Q.S. Cheng, R.K. Barik, F. Jiang, N.C. Pradhan, and S.S. Karthikeyan, "A compact SIW cavity-backed self-multiplexing antenna for hexa-band operation," IEEE Trans. Antenna and Prop., vol. 70, no. 3, pp. 2283-2288, Mar. 2022.
  26. N.C. Pradhan, K.S. Subramanian, R.K. Barik, and Q.S. Cheng, "A shielded QMSIW based self-diplexing antenna for closely-spaced bands and high-isolation," IEEE Ant. and Wirel. Prop. Letters,  vol. 20, no. 12, pp. 2382-2386, Dec. 2021.
  27. J. Lyu, H.C. Chen, Y. Zhang, Y. Du, and Q.S. Cheng, "Litz wire and uninsulated twisted wire assessment using a multilevel PEEC method," IEEE Trans. Power Electronics. vol. 37, no. 2, pp. 2372-2381, Feb. 2022.
  28. F. Jiang, S. Shen, C. Chiu, Z. Zhang, Y. Zhang, Q.S. Cheng, and R. Murch, "Pixel antenna optimization base on perturbation sensitivity analysis," IEEE Trans. Antenna and Prop., vol. 70, no. 1, pp. 472-486, Jan. 2022.
  29. Y. Zhang, H.C. Chen, Y. Du, M. Chen, J. Liang, J. Li, X. Fan, L. Sun, Q.S. Cheng, and X. Yao, "Early warning of incipient faults for power transformer based on DGA using a two-stage feature extraction technique," IEEE Trans. Power Delivery, vol. 37, no. 3, Jun. 2022.
  30. F. Jiang, Z. Zhang, Q.S. Cheng, S. Shen, C.-Y. Chiu, and R. Murch, "An efficient optimization scheme for MIMO antenna decoupling networks using space mapping techniques" IEEE Journal on Multiscale and Multiphysics Computational Techniques, vol. 6, pp. 56-61, May 2021.
  31. Z. Zhang, F. Jiang, Y. Jiao, and Q.S. Cheng, "Low-cost surrogate modeling of antennas using two-level Gaussian process regression method," International Journal of Numerical Modelling: Electronic Networks, Devices and Fields，vol 34， no.5, pp. 1-16, Apr. 2021.
  32. Z. Zhang, H. Chen, F. Jiang, Y. Yu, and Q.S. Cheng, "A benchmark test suite for antenna S-parameter optimization," IEEE Trans. Antenna and Prop., vol. 69, no. 10, pp. 6635-6650, Oct. 2021.
  33. N.C. Pradhan, S.S. Karthikeyan, R.K. Barik, and Q.S. Cheng, "Design of compact substrate integrated waveguide based triple- and quad-band power dividers," IEEE Microw. and Wirel. Compon. Letters, vol. 31, no. 4, pp. 365-368, Apr. 2021.
  34. Z. Zhang, H. Chen, F. Jiang, Y. Yu, and Q.S. Cheng, "Efficient yield-constrained design using polynomial chaos surrogate for microwave filters," IEEE Access. vol. 9, pp. 22408-22416, 2021.
  35. Z. Zhang, F. Jiang, H. Chen, and Q.S. Cheng, "Three-phase adaptive differential evolution for antenna array synthesis," International Journal of Numerical Modelling: Electronic Networks, Devices and Fields. (Accepted).
  36. R.K. Barik, Q.S. Cheng, N.C. Pradhan, and K.S. Subramanian, "A miniaturized quad-band branch-line crossover for GSM/WiFi/5G/WLAN applications," AEU Int. J. Electronics and Communications, vol. 134, pp. 1-6, May 2021.
  37. S.K.K. Dash, Q.S. Cheng, R.K. Barik, T. Khan, and K.S. Subramanian, "A compact dual-fed highly isolated SIW based self-diplexing antenna," AEU Int. J. Electronics and Communications, vol. 132, pp. 1-6, Apr. 2021.
  38. T. Duraiswamy, R. K. Barik, Q.S. Cheng, S. Kamatchi, and K. S. Subramanian, "Compact dual-band SIW filters loaded with double ring D-shaped resonators for sub-6 GHz applications," Journal of Electromagnetic Waves and Applications, vol. 35, no. 7, pp. 923-936, Jan. 2021.
  39. N. C. Pradhan, S. S. Karthikeyan, R. K. Barik, Q. S. Cheng, "A novel compact diplexer employing substrate integrated waveguide loaded by triangular slots for C-band application," Journal of Electromagnetic Waves and Applications, vol. 36, no. 6, pp. 830-842, Oct. 2021.
  40. S.K.K. Dash, Q.S. Cheng, and T. Khan, "A Superstrate loaded aperture coupled dual-band circularly polarized dielectric resonator antenna for X-Band communications," International Journal of Microwave and Wireless Technologies, pp. 1-8, Nov. 2020.
  41. P. Si, F. Jiang, Q.S. Cheng, G. Rivers,  H. Xie,  A.K.K. Kyaw, and B. Zhao, "Triple non-covalent dynamic interactions enabled tough and rapid room temperature self-healing elastomer for next generation soft antenna," Journal of Materials Chemistry A no. 47, pp. 25073-25084, Sep. 2020.
  42. Z. Zhang, H. Chen, and Q.S. Cheng, "Surrogate-assisted quasi-Newton enhanced global optimization of antennas based on a heuristic hypersphere sampling,"IEEE Trans. Antenna and Prop., vol. 69, no. 5, pp. 2993-2998, May 2021.
  43. M. Ali, K.K. Sharma, R.P. Yadav, A. Kumar, F. Jiang, Q.S. Cheng, and G.-L. Huang, "Design of dual mode wideband SIW slot antenna for 5G applications" Int. J. RF and Microwave CAE, vol. 30, no. 12, pp. 1-10, Sep. 2020.
  44. R.K. Barik, Q.S. Cheng, N.C. Pradhan, and K.S. Subramanian, "Design of miniaturized SIW filter loaded with open-loop resonators and its application to diplexer," Radioengineering, vol. 29, no. 4, pp. 609-616, Dec. 2020.
  45. T. Duraiswamy, S. Kamatchi, K.S. Subramanian, R.K. Barik, and Q.S. Cheng, "Miniaturized SIW  filter using D-shaped resonators with wide out -of -band rejection for 5G applications," Journal of Electromagnetic Waves and Applications, vol. 34, no. 18, pp. 2397-2409, Sep. 2020.
  46. R. K. Barik, Q.S. Cheng, S.K.K. Dash, N.C. Pradhan, and S.S. Karthikeyan, "Design of a compact orthogonal fed self-diplexing bowtie-ring slot antenna based on SIW," Int. J. RF and Microwave CAE, vol. 30, no. 11, pp. 1-9, Nov. 2020.
  47. S.K.K. Dash, Q.S. Cheng, and R.K. Barik, "A compact SIW backed self-quadruplexing antenna for C-band communication," Int. J. RF and Microwave CAE, vol. 30, no. 10, pp. 1-9, July 2020.
  48. Z. Zhang, Q.S. Cheng, H. Chen, and F. Jiang, "An efficient hybrid sampling method for neural networks based microwave component modeling and optimization," IEEE Microw. and Wirel. Compon. Letters, vol. 30, no. 7, pp. 625-628, July 2020.
  49. J. Lv, H. Chen, Y. Zhang, Y. Du, and Q.S. Cheng, "Fast simulation of litz wire using multilevel PEEC method," IEEE Trans. Power Electronics, vol. 35, no. 12, pp. 12612-12616, Dec. 2020.
  50. L. Xia L, B. Wu, H. Xie, J. Chen, and Q.S. Cheng, "An inline pseudoelliptic self-packaging substrate integrated suspended line filter with mixed electric and magnetic coupling," Int. J. RF and Microwave CAE, vol. 30, no. 9, pp. 1-11, Sep. 2020.
  51. H. Chen, Y. Zhang, and Q.S. Cheng, "Comprehensive transient analysis for low-voltage system in a wind turbine under direct lightning," International Journal of Electrical Power & Energy Systems, vol. 121, Oct. 2020. (Early Access)
  52. R.K. Barik, Q.S. Cheng, S.K.K. Dash, N.C. Pradhan, and S.S. Karthikeyan, "Compact high-isolation self-diplexing antenna based on SIW for C-band applications", Journal of Electromagnetic Waves and Applications, vol. 34, no.7, pp. 960-974, May 2020.
  53. S.K.K. Dash, Q.S. Cheng, T. Khan, "An off-center-fed compact wideband microstrip antenna with truncated corners and parasitic patches for circular polarization," Int. J. RF and Microwave CAE, vol. 30, no. 8, pp. 1-10, Aug. 2020.
  54. S.K.K. Dash, Q.S. Cheng, R.K. Barik, N.C. Pradhan, and S.S. Karthikeyan, "A compact triple-fed high-isolation SIW Based self-triplexing antenna," IEEE Ant. and Wirel. Prop. Letters, vol. 19, no. 5, pp. 766-770, May 2020.
  55. S. Li, X. Fan, P.D. Laforge, and Q.S. Cheng, "Surrogate model-based space mapping in post-fabrication bandpass filters tuning," IEEE Trans. Microwave Theory Tech., vol. 68, no. 6, pp. 2172-2182, June 2020.
  56. R.K. Barik, Q.S. Cheng, N.C. Pradhan, and S.S. Karthikeyan, "Highly miniaturized wideband 3-dB branch-line hybrid with second harmonic-suppression," Microw. Opt. Techn. Lett., vol. 62, no. 6, pp. 2248-2256, June 2020.
  57. R.K. Barik, Q.S. Cheng, N.C. Pradhan and S.S. Karthikeyan, "A compact SIW power divider for dual-band applications," Radioengineering, vol. 29, no. 1, pp. 94-100, Apr. 2020.
  58. F. Jiang, C.-Y. Chiu, S. Shen, Q.S. Cheng and R.D. Murch, "Pixel antenna optimization using N-port characteristic mode analysis," IEEE Trans. Antenna and Prop., vol. 68, no. 5, pp. 3336-3347, May 2020.
  59. Y. Yu, B. Liu, Y. Wang, M.J. Lancaster and Q.S. Cheng, "A general coupling matrix synthesis method for all-resonator diplexers and multiplexers," IEEE Trans. Microwave Theory Tech., vol. 68, no. 3, pp. 987-999, Mar. 2020.
  60. C. Guo, J. Li, Y. Yu, F. Zhang, Y. Zhu, Q. Yang, W. Zhu, X. Shang, Y. Wang, G. Huang, T. Yuan, Q.S. Cheng, and A. Zhang, "A 3-D printed E-plane waveguide magic-T using air-filled coax-to-waveguide transitions," IEEE Trans. Microwave Theory Tech., vol. 67, no. 12, pp. 4984-4994, Dec. 2019.
  61. Y. Liu, Q.S. Cheng, and S. Koziel, "A generalized SDP multi-objective optimization method for EM-based microwave device design," Sensors, vol. 19, no. 14, July 2019.
  62. Y. Song, Q.S. Cheng, and S. Koziel, "Multi-fidelity local surrogate model for computationally efficient microwave component design optimization," Sensors, vol. 19, no. 13, July 2019.
  63. L. WY Liu, A. Kandwal, Q.S. Cheng, H. Shi, I. Tobore, and Z. Nie, "Non-invasive blood glucose monitoring using a curved Goubau line," Electronics, vol. 8, no. 6, June 2019.
  64. H. Chen, Y. Zhang, Y. Du, and Q.S. Cheng, "Fast design of multilayered shields using surrogate model and space mapping," IEEE Trans. Electromagn. Compat., 2019.
  65. H. Zu, B. Wu, Y.-T. Zhao, Q.S. Cheng and W.-B. Lu, "Dual-frequency-scanning broadband antenna based on Z-shape spoof surface plasmon polaritons," Applied Physics Express, vol. 12, no. 8, July 2019.
  66. L. Xia, B. Wu, L. Song, J. Chen, and Q.S. Cheng, "Design of pseudoelliptic filters with controllable transmission zeros using high-Q double-layer suspended stripline resonators," Int. J. RF and Microwave CAE, 2019.
  67. A. Bekasiewicz, S. Koziel, and Q.S. Cheng, "Analysis of circular polarization antenna design trade-offs using low-cost EM-driven multi-objective optimization,"Int. J. RF and Microwave CAE, 2019.
  68. C. Fan, B. Wu, Q.-M. Huang, J.-Z. Chen, and Q.S. Cheng, "Double-layer microstrip ultra-wideband filtering power divider with high selectivity and large isolation," Int. J. RF and Microwave CAE, 2019.
  69. H. Chen, Y. Zhang, Y. Du, and Q.S. Cheng, "Lightning propagation analysis on telecommunication towers above the perfect ground using full-wave time domain PEEC method," IEEE Trans. Electromagn. Compat., pp. 1-8, Feb. 2019.
  70. B. Wu , H.-R. Zu, B.-Y. Xue, Y.-T. Zhao, and Q.S. Cheng, "Flexible wideband power divider with high isolation incorporating spoof surface plasmon polaritons transition with graphene flake," Applied Physics Express , vol. 12, no. 2, Feb. 2019.
  71. L. WY Liu, A. Kandwal, H. Shi, and Q.S. Cheng, "Wireless power transfer using an RF plasma," IEEE Access, vol. 6, 2018.
  72. L. Xia, B. Wu, J.Z. Chen, T. Su, and Q.S. Cheng, "A high-Q miniaturized suspended stripline resonator for pseudoelliptic filter design," IEEE Access , vol. 6, 2018.
  73. H. Chen, Y. Zhang, Y. Du, and Q.S. Cheng, "Lightning transient analysis of telecommunication system with a tubular tower," IEEE Access , vol. 6, 2018.
  74. C.-Y. Chiu, S. Shen, F. Jiang, K. Ishimiya, Q.S. Cheng, and R.D. Murch, "Reconfigurable metal chassis antenna," IEICE Trans. Commun., vol. 102, no. 1, Jan. 2019.
  75. M.A. Ul Haq, S. Koziel, and Q.S. Cheng, "Miniaturization of wideband antennas by means of feed line topology alterations," IET Microwaves, Antennas & Propagation, vol. 12, no. 13, pp. 2128-2134, Oct. 2018.
  76. S. Koziel, Q.S. Cheng, and S. Li, "Optimization-driven antenna design framework with multiple performance constraints,"Int. J. RF and Microwave CAE, vol. 28, no. 4, pp. 1-11, May 2018.
  77. S. Koziel, A. Bekasiewicz, and Q.S. Cheng, "Response features for low-cost statistical analysis and tolerance-aware design of antennas,"vol. 21, no. 3, Int. J. Numerical Modelling, pp. 1-10, May/June 2018.
  78. A. Bekasiewicz, S. Koziel, and Q.S. Cheng, "Reduced-cost constrained miniaturization of wideband antennas using improved trust-region gradient search with repair step," IEEE Ant. and Wirel. Prop. Letters, vol. 17, no. 4, pp. 559-562, Apr. 2018.
  79. S. Koziel, A. Bekasiewicz, and Q.S. Cheng, "Conceptual design and automated optimization of a novel compact UWB MIMO slot antenna,"IET Microwaves, Antennas & Propagation, vol. 11, no. 8, pp. 1162-1168, May 2017.
  80. S. Koziel, Q.S. Cheng, and J.W. Bandler, "Feature-based surrogates for low-cost microwave modeling and optimization," IET Microwaves, Antennas & Propagation, vol. 9, no. 15, pp. 1706-1712, Sep. 2015.
  81. S. Koziel, S. Ogurtsov, Q.S. Cheng, and J.W. Bandler, "Rapid EM-based microwave design optimization exploiting shape-preserving response prediction and adjoint sensitivities," IET Microwaves, Antennas & Propagation, vol. 8, no. 10, 775-781, Apr. 2014.
  82. S. Koziel, Q.S. Cheng, and J.W. Bandler, "Fast EM modeling exploiting shape-preserving response prediction and space mapping," IEEE Trans. Microwave Theory Tech. , vol. 62, no. 3, pp. 399-407, Mar. 2014.
  83. S. Koziel, S. Ogurtsov, J.W. Bandler, and Q.S. Cheng, "Reliable space-mapping optimization integrated with EM-based adjoint sensitivities," IEEE Trans. Microwave Theory Tech., vol. 61, no. 10, pp. 3493-3502, Oct. 2013.
  84. S. Tu, Q.S. Cheng, Y. Zhang, J.W. Bandler, and N.K. Nikolova, "Space mapping optimization of handset antennas exploiting thin-wire models," IEEE Trans. Antenna and Prop., vol. 61, no. 1, pp. 3797-3807, July 2013.
  85. S. Koziel, J.W. Bandler, and Q.S. Cheng, "Reduced-cost microwave component modeling using space-mapping-enhanced EM-based kriging surrogates," International Journal of Numerical Modelling: Electronic Networks, Devices and Fields, vol. 26, no. 3, pp. 275-286, May/June 2013.
  86. Q.S. Cheng, J.W. Bandler, and S. Koziel, "Tuning space mapping: the state of the art," Int. J. RF and Microwave CAE, vol. 22, no. 6, pp. 639-651, Nov. 2012.
  87. S. Koziel, Q.S. Cheng, and J.W. Bandler, "Comparative study of space-mapping-based techniques for microwave design optimization," IET Microwaves, Antennas & Propagation, vol. 6, no. 3, pp. 361-370, Mar. 2012.
  88. S. Koziel, J.W. Bandler, and Q.S. Cheng, "Constrained parameter extraction for microwave design optimisation using implicit space mapping," IET Microwaves, Antennas & Propagation, vol. 5, no. 10, pp. 1156-1163, July 2011.
  89. S. Koziel, J.W. Bandler, and Q.S. Cheng, "Tuning space mapping design framework exploiting reduced EM models," IET Microwaves, Antennas & Propagation, vol. 5, no. 10, pp. 1219-1226, July 2011.
  90. A. Khalatpour, R.K. Amineh, Q.S. Cheng, M.H. Bakr, N.K. Nikolova, and J.W. Bandler, "Accelerating space mapping optimization with adjoint sensitivities," IEEE Microwave Wirel. Compon. Lett., vol. 21, no.6, pp. 280-282, June 2011.
  91. S. Koziel, Q.S. Cheng, and J.W. Bandler, "Rapid design optimization of microwave structures through automated tuning space mapping," IET Microwaves, Antennas & Propagation, vol. 4, no. 11, pp. 1892-1902, Nov. 2010.
  92. Q.S. Cheng, J.W. Bandler, S. Koziel, M.H. Bakr, and S. Ogurtsov, "The state of the art of microwave CAD: EM-based optimization and modeling," Int. J. RF and Microwave CAE, vol. 20, no.5, pp. 475-491, Sep. 2010.
  93. S. Koziel, J.W. Bandler, and Q.S. Cheng, "Robust trust-region space-mapping algorithms for microwave design optimization," IEEE Trans. Microwave Theory and Tech., vol.58, no.8, pp. 2166-2174, Aug. 2010.
  94. Q.S. Cheng, J.C. Rautio, J.W. Bandler, and S. Koziel, "Progress in simulator-based tuning"the art of tuning space mapping," IEEE Microwave Magazine, vol. 11, no. 4, pp. 96-110, May 2010.
  95. S. Koziel, Q.S. Cheng and J.W. Bandler, "Implicit space mapping with adaptive selection of preassigned parameters," IET Microwaves, Antennas & Propagation, vol. 4, no. 3, p.361-373, Mar. 2010.
  96. Q.S. Cheng, J.W. Bandler, and S. Koziel, "Space mapping design framework exploiting tuning elements," IEEE Trans. Microwave Theory and Tech., vol. 57, no. 1, pp. 136-144, Jan. 2010.
  97. S. Koziel, J. Meng, J.W. Bandler, M.H. Bakr, and Q.S. Cheng, "Accelerated microwave design optimization with tuning space mapping," IEEE Trans. Microwave Theory Tech., vol. 57, no. 2, pp. 383-394, Feb. 2009.
  98. S. Koziel, Q.S. Cheng, and J.W. Bandler, "Space mapping," IEEE Microwave Magazine, vol. 9, no. 6,  pp. 105-122, Dec. 2008.
  99. Q.S. Cheng, J.W. Bandler, and J.E. Rayas-S"nchez, "Tuning-aided implicit space mapping," Int. J. RF and Microwave CAE, vol. 18, no. 5, pp. 445-453, Sep. 2008.
  100. Q.S. Cheng, J.W. Bandler, and S. Koziel, "Combining coarse and fine models for optimal design," IEEE Microwave Magazine, vol. 9, no. 1, pp. 79-88, Feb. 2008.
  101. Q.S. Cheng, S. Koziel, and J.W. Bandler, "Simplified space mapping approach to enhancement of microwave device models," Int. J. RF and Microwave CAE, vol. 16, no. 5, pp. 518-535, Sep. 2006.
  102. J.W. Bandler, Q.S. Cheng, D.M. Hailu, and N.K. Nikolova, "A space-mapping design framework," IEEE Trans. Microwave Theory Tech., vol. 52, 2004, pp. 2601-2610.
  103. J.W. Bandler, Q.S. Cheng, N.K. Nikolova, and M.A. Ismail, "Implicit space mapping optimization exploiting preassigned parameters," IEEE Trans. Microwave Theory Tech., vol. 52, no. 11, pp. 378-385, Nov. 2004.
  104. J.W. Bandler, Q.S. Cheng, S.A. Dakroury, A.S. Mohamed, M.H. Bakr, K. Madsen, and J. S"ndergaard, "Space mapping: the state of the art," IEEE Trans. Microwave Theory Tech., vol. 52, no. 1, pp. 337-361, Jan. 2004.

Book Chapters

  1. Q.S. Cheng and Y. Kuang, "Surrogate Model Design," Electromagnetic Information Theory White Paper,Huawei 2012 Lab, 2023.
  2. Q.S. Cheng and Z. Zhang, "Sampling methods for surrogate modeling and optimization," in Surrogate Modeling for High-Frequency Design, S. Koziel, and A. Pietrenko-Dabrowska (Eds.), World Scientific, March 2022, https://doi.org/10.1142/q0317.
  3. S. Koziel, S. Ogurtsov, Q.S. Cheng, and J.W. Bandler, "Space mapping," in Simulation-Driven Design Optimization and Modeling for Microwave Engineering, S. Koziel, X.S. Yang, and Q.J. Zhang (Eds.), Imperial College Press, 2013, pp. 81-105.
  4. Q.S. Cheng, J.W. Bandler, and S. Koziel, "Tuning space mapping," in Simulation-Driven Design Optimization and Modeling for Microwave Engineering, S. Koziel, X.S. Yang, and Q.J. Zhang (Eds.), Imperial College Press, 2013, pp. 107-128.

  1. 吴钊铭，贾传朕，叶枫舒，谭俊杰，黄照贺，程庆沙，“基于半监督学习的电弧故障检测模型，”第十九届电工技术学会年会，2024年9月20-22日，西安。
  2. 吴艺，李枭，谭俊杰，宾秋军，程庆沙，“基于粒子群算法的串联电弧故障小波分解方案及小波特征选择方法，”第十九届电工技术学会年会，2024年9月20-22日，西安。
  3. H. Yi, Q. S. Cheng, and Q. Pan, “Automated surrogate modeling and optimization for 4th-order transformer-based resonator,” 2024 IEEE International Workshop on Radio Frequency and Antenna Technologies (iWRF&AT), Shenzhen, China, 2024, pp. 84-87.
  4. Z. Tian, J. Zhang, Y. Kuang, and Q. S. Cheng, “A FSS inverse design method based on output space mapping enhanced ECM,” 2024 International Applied Computational Electromagnetics Society Symposium on 16-19, August 2024 in Xi'an, China.
  5. T. Qiao, Z. Han, S. Shen, C. Chiu, Q. S. Cheng, and R. Murch, “Performance bounds on the partial gain to Q-factor quotient for loaded N-port antenna systems,” 2024 IEEE International Symposium on Antennas and Propagation and ITNC-USNC-URSI Radio Science Meeting on 14-19 July 2024 in Florence, Italy.
  6. Y. Kuang, Q. S. Cheng and Z. N. Chen, “Characteristics mode-guided trust-region-based optimization for dual-band metantenna design,” 2023 IEEE 11th Asia-Pacific Conference on Antennas and Propagation (APCAP), Guangzhou, China, 2023, pp. 1-2. (Best student paper)
  7. Z. Huang, C. Jia, Z. Li, Y. Du, Q.S. Cheng, H. Du, and X. Li, "Detection performance of arcing fault detectors in the Chinese market according to the Chinese Standard GB/T 31143," Journal of Physics: Conference Series, vol. 2703, no. 1, pp.1-7, 012097, 2024.
  8. N. Ma, C. Jia, Y. Du, Q.S. Cheng, Z. Li, Z. Wu, and L. Pei, "Arc-fault unwanted tripping survey of hair dryers with GB31143-Listed Products," (ACCES 2023) (Accepted)
  9. Z. Huang, C. Jia, Z. Li, Y. Du, Q.S. Cheng, H. Du, and X. Li, "Detection performance of arcing fault detectors in the Chinese market according to the Chinese Standard GB/T 31143", 2023 5th International Conference on Energy, Power and Grid (ICEPG 2023) (Guangzhou, China, 2023).
  10. T. Qiao, S. Tang, J. Rao, Y. Zhang, C.-Y. Chiu, Q.S. Cheng, and R. Murch, "A novel optimization technique for designing frequency reconfigurable pixelated planar antenna," 2023 IEEE International Symposium on Antennas and Propagation and USNC-URSI Radio Science Meeting (USNC-URSI) (Portland, OR, USA, 2023), pp. 1757-1758.
  11. J. Lyu, H. C. Chen, Y. Du, Y. Zhang, and Q.S. Cheng, "Design of a box-shape coil structure to achieve uniform magnetic field distribution for WPT," 2023 IEEE International Conference on Power Science and Technology (ICPST) (Kunming, China, 2023), pp. 450-453.
  12. G. Wang, Z. Zhang, and Q.S. Cheng, "Port tuning and tuning space mapping," 2023 IEEE MTT-S International Conference on Numerical Electromagnetic and Multiphysics Modeling and Optimization (NEMO) (Winnipeg, MB, Canada, 2023), pp. 62-65.
  13. G. Wang, Q. Zhu, R. Ni, and Q.S. Cheng, "SSPP-based mmWave array antenna design based on MSAO framework," 2023 International Applied Computational Electromagnetics Society (ACES) Symposium.
  14. S. Koziel, A. Pietrenko-Dabrowska, and Q.S. Cheng, "Yield-driven antenna design using principal directions" 2022 IEEE Conference on Antenna Measurements and Applications (CAMA). (Guangzhou, China, Nov. 2022).
  15. Y. Yu, Z. Zhang, Q.S. Cheng, B. Liu, and Y. Wang, "Surrogate-based design and tuning methods for RF/microwave devices", IEEE MTT-S Int. Microwave Symp. (Denver, CO, June 2022). (accepted)
  16. Z. Zhang, Y. Yu, Q.S. Cheng, Y. Yang, and F. Shen, "An efficient yield-constrained design framework using global surrogates for microwave filters," 2022 International Conference on Microwave and Millimeter Wave Technology (ICMMT2022) (Harbin, China, July 2022).
  17. A. Pietrenko-Dabrowska, S. Koziel, and Q.S. Cheng, "Reliable design closure of high-frequency components by adaptive design specifications," 2022 International Conference on Microwave and Millimeter Wave Technology (ICMMT2022) (Harbin, China, July 2022).
  18. Y. Kuang, Z.N. Chen, and Q.S. Cheng, "Feedless mode tracking optimization of metasurface antenna using characteristic mode analysis," IEEE International Symposium on Antennas and Propagation and USNC-URSI Radio Science Meeting (APS/URSI 2021), (Singapore, Dec. 2021).
  19. R. K. Barik, Q.S. Cheng, and S. Koziel, "Quad-band impedance transformer for extremely high load impedance matching with out-of-band spurious response suppression," IEEE MTT-S International Wireless Symposium (IEEE IWS 2021), (Nanjing, China, May 2021). (FLASH competition Finalist)
  20. R. K. Barik, Q.S. Cheng, and S. Koziel, "Design and experimental validation of highly compact branch-line balun for quad-band applications," IEEE MTT-S International Wireless Symposium (IEEE IWS 2021), (Nanjing, China, May 2021).
  21. Z. Zhang, Y. Yu, F. Jiang, and Q.S. Cheng. "Gaussian process regression modeling based on landmark isometric feature mapping for antennas," EUCAP 2021.
  22. J.A. Tomasson, S. Koziel, A. Pietrenko-Dabrowska, and Q.S. Cheng, "Low-cost antenna optimization by means of gradient search and principal components," The 2021 International Applied Computational Electromagnetics Society Symposium in China (ACES-China 2021)
  23. Z. Zhang and Q.S. Cheng, "A local enhanced sampling strategy for surrogate-based microwave component optimization," The 2021 International Applied Computational Electromagnetics Society Symposium in China (ACES-China 2021). (Invited)
  24. Y. Jiao, Z. Zhang, Y. Yu, and Q.S. Cheng, "Feature-based surrogate-assisted Harris hawks optimization algorithm for microwave filters," The 2021 International Applied Computational Electromagnetics Society Symposium in China (ACES-China 2021). (Student Paper Finalist Award)
  25. Y. Kuang, Z.N. Chen, and Q.S. Cheng, "Feedless mode tracking optimization of metasurface antenna using characteristic mode analysis," IEEE International Symposium on Antennas and Propagation and USNC-URSI Radio Science Meeting (APS/URSI 2021), (Singapore, Dec. 2021).
  26. R. K. Barik, Q.S. Cheng, and S. Koziel, "Quad-band impedance transformer for extremely high load impedance matching with out-of-band spurious response suppression," IEEE MTT-S International Wireless Symposium (IEEE IWS 2021), (Nanjing, China, May 2021). (One of the Finalists of the FLASH competition)
  27. R. K. Barik, Q.S. Cheng, and S. Koziel, "Design and experimental validation of highly compact branch-line balun for quad-band applications," IEEE MTT-S International Wireless Symposium (IEEE IWS 2021), (Nanjing, China, May 2021).
  28.  Z. Zhang, Y. Yu, F. Jiang, and Q.S. Cheng. "Gaussian process regression modeling based on landmark isometric feature mapping for antennas," EUCAP 2021. (Accepted)
  29. Z. Zhang and Q.S. Cheng, "A local enhanced sampling strategy for surrogate-based microwave component optimization," The 2020 International Applied Computational Electromagnetics Society Symposium in China (ACES-China 2020). (Accepted and Postponed to July 2021)
  30. Y. Kuang, S. Li, X. Fan, and Q.S. Cheng, "SMT: A space-mapping-based tuning software system for a post-fabrication bandpass filter," International Applied Computational Electromagnetics Society Symp. (ACES-China), (Chengdu, China, Aug. 2020). (Accepted and Postponed to July 2021)
  31. S.K.K. Dash, Q.S. Cheng, R. K. Barik, N. C. Pradhan, and S.S. Karthikeyan, "A compact substrate integrated self-diplexing antenna for WiFi and ISM band applications," 50th European Microwave Conference, (Utrecht, Netherlands, Sep. 2020). (Accepted and Postponed to 2021)
  32. S.K.K. Dash, Q.S. Cheng, and T. Khan, "A spiral-fed equilateral triangular dielectric resonator antenna for circular polarization,"  33rd URSI General Assembly and Scientific Symposium (URSI GASS 2020), (Rome, Italy, Aug-Sept 2020, Accepted and Postponed to 2021).
  33. Y. Yu, Q.S. Cheng, and R. K. Barik, "Project-based learning method in teaching antenna and wave propagation course," IEEE TALE Conference, online, (Japan, Dec. 2020). (accepted)
  34. Z. Zhang, H. Chen, and Q.S. Cheng, "Surrogate-assisted enhanced global optimization based on hybrid DE for antenna design," IEEE MTT-S International Conference on Numerical Electromagnetic and Multiphysics Modeling and Optimization (NEMO) (Hangzhou, China, Dec. 2020).
  35. S. Koziel, A. Pietrenko-Dabrowska, and Q.S. Cheng, "Antenna modeling by nested kriging with automated domain thickness determination," IEEE MTT-S International Conference on Numerical Electromagnetic and Multiphysics Modeling and Optimization (NEMO) (Hangzhou, China, Dec. 2020).
  36. S. Koziel, A. Pietrenko-Dabrowska, Q.S. Cheng, and Z. Zhang, "Low-cost surrogate modeling of compact microstrip circuits in highly-dimensional parameters spaces using variable-fidelity nested co-kriging," IEEE MTT-S International Conference on Numerical Electromagnetic and Multiphysics Modeling and Optimization (NEMO) (Hangzhou, China, Dec. 2020).
  37. A. Pietrenko-Dabrowska, S. Koziel, Q.S. Cheng, and Z. Zhang, "Metamodels and iterative design correction for rapid optimization of compact microwave components," IEEE MTT-S International Conference on Numerical Electromagnetic and Multiphysics Modeling and Optimization (NEMO) (Hangzhou, China, Dec. 2020).
  38. X. Fan, S. Li, P.D. Laforge, and Q.S. Cheng, "Automated spiral inductor design by a calibrated PI network with manifold mapping technique," IEEE MTT-S Int. Microwave Symp. (Los Angeles, CA, June 2020)。
  39. S. Li, Q.S. Cheng, and J. Zhang, "Deep multi-path low-light image enhancement," IEEE International Conference on Multimedia Information Processing and Retrieval (MIPR), invited, (Shenzhen, Guangdong, China,Apr.2020).
  40. N.C. Pradhan, K.S. Subramanian, R.K. Barik, and Q.S. Cheng, "Design of a compact SIW diplexer with square cavities for C-band applications," URSI Regional Conference on Radio Science (URSI-RCRS 2020), (IIT (BHU), Varanasi, India, Feb. 2020).
  41. Y. Liu and Q.S. Cheng, "Microwave engineering course for engineering education accreditation: exploration and practice in SUSTech," IEEE TALE Conference, (Yogyakarta, Indonesia, Dec. 2019).
  42. T. Duraiswamy, R.K. Barik, Q.S. Cheng, S. Kamatchi, and K.S. Subramanian, "A compact wideband SIW power divider with CSRR and slots for Ku and K band applications," International Microwave & RF Conference (IMaRC-2019), (IIT Bombay, Mumbai, India, Dec. 2019).
  43. R.K. Barik, Q.S. Cheng, and K.S. Subramanian, "An automatic design approach for microstrip line impedance transformer for triple-band application," Asia-Pacific Microwave Conf. (APMC)(Singapore, Dec. 2019).
  44. X. Fan, S. Li, P.D. Laforge, and Q.S. Cheng, "A Post-fabrication Tuning Method using Space Mapping and Surrogate Modeling Techniques," European Microwave Conf. (Paris, France, Oct. 2019).
  45. Y. Yu, J. Li, C. Guo, G.-L. Huang, Q.S. Cheng, and A. Zhang, "A connectorized X-band 3-D printed air-filled selfsuspended rectangular coaxial transmission line," European Microwave Conf. (Paris, France, Oct. 2019).
  46. A.O. Fadamiro, O.J. Famoriji, R.S. Zakariyya, F. Lin，F. Jiang, Q.S. Cheng, A. Somefun, and E.O. Ogunti, "Aggressive space mapping technique for reconfigurable hexagonal patch antenna design," IEEE AP-S/URSI Int. Symp. on Antennas and Propag. (Atlanta, GA, July 2019).
  47. X. Fan, S. Li, P.D. Laforge, and Q.S. Cheng, "EM-based design approach for multiband filters by reflected group delay method and cascade space mapping," IEEE MTT-S Int. Microwave Symp.(Boston, MA, June 2019).
  48. X. Fan, S. Li, P.D. Laforge, and Q.S. Cheng, "A dualband coupling matrix method for designing quad-channel diplexer," IEEE MTT-S International Conference on Numerical Electromagnetic and Multiphysics Modeling and Optimization (NEMO) (Boston, MA, May-June 2019).
  49. L. Zhou, Y. Kuang, S. Li, X. Fan, and Q.S. Cheng, "Automatic impedance matching for three-stub waveguide tuner based on space mapping," 11th International Conference on Microwave and Millimeter Wave Technology (ICMMT2019)(Guangzhou, China, May 2019).
  50. Y. Kuang, L. Zhou, S. Li, X. Fan, and Q.S. Cheng, "A tuning method for triple-stub tuner using knowledge-based surrogate model," 11th International Conference on Microwave and Millimeter Wave Technology (ICMMT2019)(Guangzhou, China, May 2019).
  51. X. Fan, S. Li, P.D. Laforge, and Q.S. Cheng, "Design of a compact quad-channel diplexer using stepped-impedance resonator," IEEE International Conference on Computational Electromagnetics (ICCEM) (Shanghai, China, Mar. 2019).
  52. S. Li, X. Fan, P.D. Laforge, and Q.S. Cheng, "Multistage modeling and space mapping for automated microwave filter design ," IEEE International Conference on Computational Electromagnetics (ICCEM) (Shanghai, China, Mar. 2019).
  53. M.A. Ul Haq, S. Koziel, and Q.S. Cheng, "A Novel Isolation Improvement Technique for Wideband MIMO Antenna Systems," European Conference on Antennas and Propagation (EuCAP) (Krakow, Poland, Mar.-Apr., 2019).
  54. X. Fan, S. Li, P.D. Laforge, and Q.S. Cheng, "The sequential parameter extraction for EM-based design of dielectric-resonator bandpass filter," IEEE MTT-S International Conference on Numerical Electromagnetic and Multiphysics Modeling and Optimization (NEMO) for RF, Microwave and Terahertz Applications (Reykyavik, Iceland, Aug. 2018).
  55. X. Fan, S. Li, P.D. Laforge, and Q.S. Cheng, "An efficient EM-based ultra-wideband bandpass filter design," IEEE MTT-S International Conference on Numerical Electromagnetic and Multiphysics Modeling and Optimization (NEMO) for RF, Microwave and Terahertz Applications (Reykyavik, Iceland, Aug. 2018).
  56. U. Ullah, S. Koziel, and Q.S. Cheng, "Design of a novel compact structure of a wide-slot circularly polarized antenna,"International Applied Computational Electromagnetics Society (ACES) Symposium (Beijing, China, July-Aug. 2018).
  57. M.A. Ul Haq, S. Koziel, and Q.S. Cheng, "On feed line modifications for compact wideband antenna design,"European Conference on Antennas and Propagation (EUCAP) (London, UK, Apr. 2018).
  58. S. Ogurtsov, S. Koziel, Y. Yu, and Q.S. Cheng, "Design and validation of corporate feeds for low sidelobe microstrip linear arrays,"European Conference on Antennas and Propagation (EUCAP) (London, UK, Apr. 2018).
  59. A. Bekasiewicz, S. Koziel, and Q.S. Cheng, "Novel miniaturized circular polarization antenna with elliptical slots and feed with loaded stubs,"European Conference on Antennas and Propagation (EUCAP) (London, UK, Apr. 2018).
  60. S. Li, Q.S. Cheng, G.-L. Huang, X. Fan, and P.D. Laforge, "Frequency-Dependent Implicit Space-Mapping Algorithm for Wideband Microwave Prototyping," IEEE International Conference on Computational Electromagnetics (ICCEM) (Chengdu, China, Mar. 2018).
  61. A. Bekasiewicz, S. Koziel, Q.S. Cheng, and X. Fan, "Design trade-offs of compact circular polarization antennas by means of multi-objective optimization," IEEE International Conference on Computational Electromagnetics (ICCEM) (Chengdu, China, Mar. 2018).
  62. X. Fan, S. Li, P.D. Laforge, and Q.S. Cheng, "An EM-based cascade design procedure for high-order bandpass filter," IEEE International Conference on Computational Electromagnetics (ICCEM) (Chengdu, China, Mar. 2018).
  63. A. Bekasiewicz, S. Koziel, Q.S. Cheng, and S. Li, "Constrained low-cost size reduction of wideband antennas by means of enhanced trust-region search algorithm," IEEE International Conference on Computational Electromagnetics (ICCEM) (Chengdu, China, Mar. 2018).
  64. M.A. Ul Haq, S. Koziel, and Q.S. Cheng, "Miniaturization of wideband antennas by means of ground plane modifications: a case study," IEEE International Conference on Computational Electromagnetics (ICCEM) (Chengdu, China, Mar. 2018).
  65. K. Xie, L. WY LIU, Q. Zhang, and Q.S. Cheng, "Monitoring blood glucose fluctuation using SIW cavity with a coupling slot," The 6th Asia-Pacific Conference on Antennas and Propagation (APCAP) (Xi'an, China, Oct. 2017).
  66. S. Koziel, J.W. Jayasinghe, J. Anguera, Q.S. Cheng, and D.N. Uduwawala, "Optimization of high-directivity fan-beam antennas,"International Applied Computational Electromagnetics Society Symp. (ACES-China) (Suzhou, China, Aug. 2017).
  67. S. Ogurtsov, S. Koziel, and Q.S. Cheng, "Design of compact microstrip branchline couplers for broadband circularly polarized DRAs,"International Applied Computational Electromagnetics Society Symp. (ACES-China) (Suzhou, China, Aug. 2017).
  68. S. Koziel and Q.S. Cheng, "Size reduction of UWB antennas with performance constraints," International Applied Computational Electromagnetics Society Symp. (ACES-China) (Suzhou, China, Aug. 2017).
  69. A. Bekasiewicz, S. Koziel, Q.S. Cheng, and J.W. Bandler, "EM-driven multi-objective design of impedance transformers by Pareto ranking bisection algorithm," International Applied Computational Electromagnetics Society Symp. (ACES-China) (Suzhou, China, Aug. 2017).
  70. M.A. Ul Haq, S. Koziel, and Q.S. Cheng, "EM-driven size reduction of UWB antennas with ground plane modifications," International Applied Computational Electromagnetics Society Symp. (ACES-China) (Suzhou, China, Aug. 2017).
  71. M.A. Ul Haq, S. Koziel, and Q.S. Cheng, "A structure and design optimization of compact antenna for Internet of Things applications," International Applied Computational Electromagnetics Society Symp. (ACES-China) (Suzhou, China, Aug. 2017).
  72. S. Li, X. Fan, P.D. Laforge, Q.S. Cheng, and S. Koziel, "Automated EM-level design framework for sequential coupled resonator filter," International Applied Computational Electromagnetics Society Symp. (ACES-China) (Suzhou, China, Aug. 2017).
  73. F. Jiang, S. Li, Y. Yu, Q.S. Cheng, and S. Koziel, "Sensitivity optimization of antenna for non-invasive blood glucose monitoring," International Applied Computational Electromagnetics Society Symp. (ACES-China) (Suzhou, China, Aug. 2017).
  74. X. Fan，S. Li, P.D. Laforge, and Q.S. Cheng, "A sequentially coupled filter design approach using the reflected group delay method and the implicit space mapping technique," IEEE MTT-S Int. Microwave Symp.(Honolulu, HI, June 2017).
  75. S. Li, X. Fan, P.D. Laforge, and Q.S. Cheng, "Space mapping post-fabrication tuning of 3D printed air-filled waveguide filter," IEEE MTT-S Int. Microwave Symp.(Honolulu, HI, June 2017).
  76. S. Koziel, A. Bekasiewicz, Q.S. Cheng, and Q. Zhang, "Multi-objective design of miniaturized impedance transformers by domain segmentation," IEEE MTT-S International Conference on Numerical Electromagnetic and Multiphysics Modeling and Optimization (NEMO) for RF, Microwave and Terahertz Applications (Sevilla, Spain, May 2017).
  77. P. Kurgan, S. Koziel, and Q.S. Cheng, "Multi-objective EM-based design optimization of compact branch-line coupler," IEEE MTT-S International Conference on Numerical Electromagnetic and Multiphysics Modeling and Optimization (NEMO) for RF, Microwave and Terahertz Applications (Sevilla, Spain, May 2017).
  78. P. Kurgan, S. Koziel, and Q.S. Cheng, "EM-driven design of recurrent slow-Wave structures," IEEE MTT-S International Conference on Numerical Electromagnetic and Multiphysics Modeling and Optimization (NEMO) for RF, Microwave and Terahertz Applications (Sevilla, Spain, May 2017).
  79. S. Koziel, A. Bekasiewicz, Q.S. Cheng, and Q. Zhang, "Pareto ranking bisection algorithm for rapid multi-objective design of antenna structures," IEEE MTT-S International Conference on Numerical Electromagnetic and Multiphysics Modeling and Optimization (NEMO) for RF, Microwave and Terahertz Applications (Sevilla, Spain, May 2017).
  80. S. Koziel, A. Bekasiewicz, and Q.S. Cheng, "On ultra-wideband antenna miniaturization involving efficiency and matching constraints," European Conference on Antennas and Propagation (EUCAP) (Paris, France, Mar. 2017).
  81. S. Koziel, A. Bekasiewicz, Q.S. Cheng,and S. Li, "Accelerated multi-objective design optimization of antennas by surrogate modeling and domain segmentation," European Conference on Antennas and Propagation (EUCAP) (Paris, France, Mar. 2017).
  82. S. Koziel, A. Bekasiewicz, and Q.S. Cheng, "Multi-objective optimization of compact UWB impedance matching transformers using Pareto front exploration and adjoint sensitivities," The 15th IEEE International Conference on Communication Systems (IEEE ICCS), (Shenzhen, China, Dec., 2016).
  83. S. Koziel, A. Bekasiewicz, and Q.S. Cheng, "Fast re-design of antenna structures with respect to substrate permittivity and thickness," IEEE Loughborough Antennas and Propagation Conference (LAPC), (Loughborough, UK, Nov., 2016).
  84. A. Bekasiewicz, S. Koziel, and Q.S. Cheng, "Reflection response control of bandwidth-enhanced antennas through constrained optimization," IEEE Loughborough Antennas and Propagation Conference (LAPC), (Loughborough, UK, Nov., 2016).
  85. S. Koziel and Q.S. Cheng, "Reduced-cost data-driven modeling of antenna structures," IEEE MTT-S International Conference on Numerical Electromagnetic and Multiphysics Modeling and Optimization (NEMO) for RF, Microwave and Terahertz Applications (Beijing, China, July 2016).
  86. S. Koziel, A. Bekasiewicz, Q.S. Cheng, and Q. Zhang, "Expedited EM-driven design optimization of compact dual-band microwave couplers using adaptive response Scaling," IEEE MTT-S International Conference on Numerical Electromagnetic and Multiphysics Modeling and Optimization (NEMO) for RF, Microwave and Terahertz Applications (Beijing, China, July 2016).
  87. S. Koziel, A. Bekasiewicz, and Q.S. Cheng, "Expedited two-objective dimension scaling of compact microwave passives using surrogate models," IEEE MTT-S International Conference on Numerical Electromagnetic and Multiphysics Modeling and Optimization (NEMO) for RF, Microwave and Terahertz Applications (Beijing, China, July 2016).  
  88. A. Bekasiewicz, S. Koziel, Q.S. Cheng,and Y. Chen "Response features for fast EM-driven design of miniaturized impedance matching transformers," IEEE MTT-S International Conference on Numerical Electromagnetic and Multiphysics Modeling and Optimization (NEMO) for RF, Microwave and Terahertz Applications (Beijing, China, July 2016). 
  89. S. Koziel, A. Bekasiewicz, Q.S. Cheng,and Y. Chen "Reduced-cost modeling of dual-band antennas exploiting response features," IEEE MTT-S International Conference on Numerical Electromagnetic and Multiphysics Modeling and Optimization (NEMO) for RF, Microwave and Terahertz Applications (Beijing, China, July 2016).
  90. S. Koziel, A. Bekasiewicz, and Q.S. Cheng, "Patch size setup and performance/cost trade-offs in multi-objective antenna optimization using domain patching technique," IEEE MTT-S International Conference on Numerical Electromagnetic and Multiphysics Modeling and Optimization (NEMO) for RF, Microwave and Terahertz Applications (Beijing, China, July 2016).
  91. S. Koziel, Q.S. Cheng, and Q. Zhang, "On low-cost space mapping optimization of antenna structures," IEEE MTT-S International Conference on Numerical Electromagnetic and Multiphysics Modeling and Optimization (NEMO) for RF, Microwave and Terahertz Applications (Beijing, China, July 2016).  
  92. S.Koziel, A. Bekasiewicz, and Q.S. Cheng, "Geometry scaling of UWB antennas with respect to material properties of the substrate,"IEEE MTT-S International Conference on Numerical Electromagnetic and Multiphysics Modeling and Optimization (NEMO) for RF, Microwave and Terahertz Applications (Beijing, China, July 2016). 
  93. Q.S. Cheng, J.W. Bandler, and S. Koziel, "A Review of implicit space mapping optimization and modeling techniques," IEEE MTT-S International Conference on Numerical Electromagnetic and Multiphysics Modeling and Optimization (Ottawa, ON, Canada, Aug. 2015).
  94. Q.S. Cheng, J.W. Bandler, and S. Koziel, "A maximally flat quadratic interpolation enhanced input space mapping modeling approach," IEEE MTT-S Int. Microwave Symp. Digest (Tampa, FL, June 2014).
  95. S. Koziel, J.W. Bandler, and Q.S. Cheng, "Low-cost feature-based modeling of microwave structures," IEEE MTT-S Int. Microwave Symp. Digest (Tampa, FL, June 2014).
  96. Q.S. Cheng, J.W. Bandler, N.K. Nikolova, and Slawomir Koziel, "A statistical input space mapping approach for accommodating modeling residuals," IEEE MTT-S Int. Microwave Symp. Digest (Seattle, WA, June 2013).
  97. S. Koziel, J.W. Bandler, and Q.S. Cheng, "Enhanced fidelity modeling of microwave structures combining shape-preserving response prediction with space mapping," IEEE MTT-S Int. Microwave Symp. Digest (Seattle, WA, June 2013).
  98. S. Tu, Q.S. Cheng, J. W. Bandler, and N. K. Nikolova, "Space mapping design exploiting library antenna models," IEEE AP-S/URSI Int. Symp. on Antennas and Propag. (Chicago, IL, July 2012).
  99. J.W. Bandler and Q.S. Cheng, "Retrospective on microwave CAD and optimization technology," IEEE MTT-S Int. Microwave Symp. Digest (Montreal, QC, June 2012).
  100. S. Koziel, S. Ogurtsov, J.W. Bandler, and Q.S. Cheng, "Robust space mapping optimization exploiting EM-based models with adjoint sensitivities," IEEE MTT-S Int. Microwave Symp. Digest (Montreal, QC, June 2012).
  101. Q.S. Cheng, J.W. Bandler, N.K. Nikolova, and S. Koziel, "A space mapping schematic for fast EM-based modeling and design," IEEE MTT-S Int. Microwave Symp. Digest (Montreal, QC, June 2012).
  102. S. Koziel, J.W. Bandler, and Q.S. Cheng, "Tuning space mapping for microwave design optimization," Int. Review of Progress in Applied Computational Electromagnetics (Williamsburg, VA, 2011), pp. 381-386.
  103. S. Koziel, Q.S. Cheng, and J.W. Bandler, "Comparative study of space-mapping-based optimization techniques for microwave design," Microwave Integrated Circuits Conf. (EuMIC) (Manchester, UK, Oct. 2011), pp. 422-425.
  104. A. Khalatpour, R.K. Amineh, Q.S. Cheng, J.W. Bandler, and N.K. Nikolova, "Adjoint-accelerated design framework for novel materials in microwave applications," European Microwave Conf. (Manchester, UK, Oct. 2011), pp. 440-443.
  105. Q.S. Cheng, J.W. Bandler, N.K. Nikolova, and S. Koziel, "Fast space mapping modeling with adjoint sensitivity" IEEE MTT-S Int. Microwave Symp. Digest  (Baltimore, MD, June 2011).
  106. J.W. Bandler, Q.S. Cheng, M.H. Bakr, S. Koziel, and N.K. Nikolova, "Electromagnetics-based CAD and optimization of microwave circuits exploiting time-domain techniques," IEEE MTT-S Int. Microwave Symp. Digest (Baltimore, MD, June 2011).
  107. S. Koziel, J.W. Bandler, and Q.S. Cheng, "Design optimization of microwave circuits through fast embedded tuning space mapping," European Microwave Conf. (Paris, France, Sept. 2010), pp. 1186-1189.
  108. Q.S. Cheng, J.W. Bandler, and S. Koziel, "Response corrected tuning space mapping for yield estimation and design centering," IEEE MTT-S Int. Microwave Symp. Digest (Anaheim, CA, May 2010), pp. 193-196.
  109. S. Koziel, J.W. Bandler, and Q.S. Cheng, "Adaptively constrained parameter extraction for robust space mapping optimization of microwave circuits," IEEE MTT-S Int. Microwave Symp. Digest (Anaheim, CA, May 2010), pp. 205-208.
  110. Q.S. Cheng, J.W. Bandler, and S. Koziel, "Tuning space mapping optimization exploiting embedded surrogate elements," IEEE MTT-S Int. Microwave Symp. Digest (Boston, MA, June 2009), pp. 1257-1260.
  111. S. Koziel, J.W. Bandler, and Q.S. Cheng, "Trust-region-based convergence safeguards for space mapping design optimization of microwave circuits," IEEE MTT-S Int. Microwave Symp. Digest (Boston, MA, June 2009), pp. 1261-1264.
  112. S. Koziel, Q.S. Cheng, and J.W. Bandler, "Microwave design optimization using implicit space mapping with adaptive selection of preassigned parameters," Int. Review of Progress in Applied Computational Electromagnetics, ACES 2009, (Monterey, CA, Mar. 8-12, 2009), pp. 59-64 .
  113. Q.S. Cheng, J.W. Bandler, and S. Koziel, "A simple ADS schematic for space mapping," IEEE MTT-S Int. Microwave Workshop Series (IMWS 2009) On Signal Integrity and High -Speed Interconnects (Guadalajara, Mexico, Feb. 2009).
  114. J. Meng, S. Koziel, J.W. Bandler, M.H. Bakr, and Q.S. Cheng, "Tuning space mapping: a novel technique for engineering design optimization," IEEE MTT-S Int. Microwave Symp. Digest (Atlanta, GA, June 2008), pp 991-994.
  115. S. Koziel, J.W. Bandler, and Q.S. Cheng, "Adaptive space mapping with convergence enhancement for optimization of microwave structures and devices," IEEE MTT-S Int. Microwave Symp. Digest (Atlanta, GA, June 2008), pp. 987-990.
  116. S. Koziel, Q.S. Cheng, and J.W. Bandler, "Improving efficiency of space mapping optimization of microwave structures and devices," IEEE MTT-S Int. Microwave Symp. Digest (Honolulu, HI, June 2007), pp. 1995-1998.
  117. Q.S. Cheng and J.W. Bandler, "An implicit space mapping technique for component modeling," Proc. 36th European Microwave Conf. (Manchester, UK, Sep. 2006), pp. 458-461.
  118. J.W. Bandler and Q.S. Cheng, "New developments in space mapping CAD technology," (invited), China-Japan Joint Microwave Conference (Chengdu, China, Aug. 2006), pp. 1-4.
  119. Q.S. Cheng and J.W. Bandler, "An automated space mapping framework," Frontiers in Applied Computational Electromagnetics (FACE 2006) (Victoria, BC, Canada, June 2006).
  120. J.W. Bandler, Q.S. Cheng, and S. Koziel, "Implementable space mapping approach to enhancement of microwave device models," IEEE MTT-S Int. Microwave Symp. Digest (Long Beach, CA, June 2005), pp. 1139-1142.
  121. J.W. Bandler, Q.S. Cheng, D.M. Hailu, A.S. Mohamed, M.H. Bakr, K. Madsen, and F. Pedersen, "Recent trends in space mapping technology," Proc. 2004 Asia-Pacific Microwave Conf. (APMC04) (New Delhi, India, Dec. 2004).
  122. J.W. Bandler and Q.S. Cheng, "Space mapping: a novel design and modeling methodology," 4th Int. Conference on Microwave and Millimeter Wave Technology 2004 (Beijing, China, Aug. 2004), pp. 785-788.
  123. J.W. Bandler, Q.S. Cheng, S.A. Dakroury, D.M. Hailu, K. Madsen, A.S. Mohamed, and F. Pedersen, "Space mapping interpolating surrogates for highly optimized EM-based design of microwave devices," IEEE MTT-S Int. Microwave Symp. Digest (Fort Worth, TX, June 2004), pp. 1565-1568.
  124. J.W. Bandler, Q.S. Cheng, D.H. Gebre-Mariam, and N.K. Nikolova, "An implementable space mapping design framework," IEEE MTT-S Int. Microwave Symp. Digest (Fort Worth, TX, June 2004), pp. 703-706.
  125. J.W. Bandler and Q.S. Cheng, "Advances in space mapping optimization using implicit and output mappings," The 3rd Annual McMaster Optimization Conference: Theory and Applications (MOPTA 03) (Hamilton, ON, Canada, July 2003).
  126. J.W. Bandler, Q.S. Cheng, S.A. Dakroury, A.S. Mohamed, M.H. Bakr, K. Madsen, and J. S"ndergaard, "Space mapping: the state of the art," Int. Microwave and Optoelectronics Conference (Iguazu Falls, Brazil, Sep. 2003), pp. 951-956.
  127. J.W. Bandler, Q.S. Cheng, D.H. Gebre-Mariam, K. Madsen, F. Pedersen, and J. S"ndergaard, "EM-based surrogate modeling and design exploiting implicit, frequency and output space mappings," IEEE MTT-S Int. Microwave Symp. Digest (Philadelphia, PA, June 2003), pp. 1003-1006.
  128. J.W. Bandler and Q.S. Cheng, "Implicit space mapping engineering optimization exploiting preassigned parameters," The 2nd Annual McMaster Optimization Conference: Theory and Applications (MOPTA 02) (Hamilton, ON, Canada, Aug. 2002).
  129. J.W. Bandler, Q.S. Cheng, N. Georgieva, and M.A. Ismail, "Implicit space mapping EM-based modeling and design using preassigned parameters," IEEE MTT-S Int. Microwave Symp. Digest (Seattle, WA, June 2002), pp. 713-716.
  130. M.H. Bakr, J.W. Bandler, Q.S. Cheng, M.A. Ismail, and J.E. Rayas-S"nchez, "SMX"A novel object-oriented optimization system," IEEE MTT-S Int. Microwave Symp. Digest (Phoenix, AZ, May 2001), pp. 2083-2086.

  1. Q.S. Cheng, "Fast Modeling and Optimization Methods Based on Electromagnetic Simulation," Dassault Systemes SIMULIA CST Electromagnetic Simulation Seminar, July 5, 2023.
  2. Q.S. Cheng, "Fast Modeling and Optimization Methods Based on Electromagnetic Simulation," Huawei 2023 Electromagnetic Protection and Electrical Safety Engineering Technology Conference, May 12, 2023.
  3. Q.S. Cheng, "Engineering Ethics: Autonomous Vehicle Case Study," Tianjin University, Tianjin, China, May 13, 2022.
  4. Q.S. Cheng, "Surrogate-based EM design methods for RF/Microwave Devices," Tianjin University, Tianjin, China, September 1, 2021.
  5. Q.S. Cheng, "Physics-based modeling and optimization for RF/microwave devices," UESTC, Chengdu, China, May 14, 2019.
  6. M. Yu and Q.S. Cheng, "Smart modeling of large RF/microwave problems," Huawei Shanghai Research Center, China, Dec. 3, 2018.
  7. Q.S. Cheng, "Recent trends in surrogate-based optimization, tuning and modeling," University of Waterloo, Waterloo, Canada, Aug.9, 2018.
  8. Q.S. Cheng, "Space mapping and surrogate: microwave applications," Xidian University, Xi'an, China, Sep. 29, 2017.
  9. Q.S. Cheng, "CAD framework for novel materials in microwave applications,"Metamaterial Science and Applications Workshop, Chengdu, China, Apr. 8, 2016. 
  10. Q.S. Cheng, "Tuning space mapping: the state of the art," IMS Workshop WFI EM-Based Tuning Techniques, Computer-Aided Tuning and Tuning Space Mapping, Phoenix, AZ, May 2015.
  11. Q.S. Cheng and J.W. Bandler, "Implementation of space mapping in commercial software," IMS Workshop WFE Recent Advances in Space Mapping Modeling and Optimization, Tampa Bay, FL, June 2014.
  12. Q.S. Cheng, J.W. Bandler, S. Koziel, and K. Madsen, "Modeling and optimization of microwave and RF circuits exploiting space mapping," Tianjin University, Tianjin, China, Jan. 12, 2014.
  13. Q.S. Cheng and J.W. Bandler, "Implementation of space mapping optimization and modeling in Agilent ADS," Presentation to Design Engineering Teams, Freescale Semiconductor Inc., Tempe, AZ, Oct. 25, 2012.
  14. Q.S. Cheng, J.W. Bandler, and S. Koziel "Tuning Space Mapping: The State of the Art," The Third International Workshop on Surrogate Modelling and Space Mapping For Engineering Optimization (SMSMEO 2012) (Reykjavik University, Iceland, Aug. 9-11, 2012).
  15. J.W. Bandler and Q.S. Cheng, "The Essence of Space Mapping: Less is More," The Third International Workshop on Surrogate Modelling and Space Mapping For Engineering Optimization (SMSMEO 2012) (Reykjavik University, Iceland, Aug. 9-11, 2012).
  16. J.W. Bandler, Q.S. Cheng, and S. Koziel "Model Generation Using Space Mapping Techniques," IEEE MTT-S Int. Microwave Symp. Workshop on Advanced Techniques For Electromagnetics-based Model Generation (Montreal, QC, Canada, June 18, 2012)
  17. Q.S. Cheng, J.W. Bandler, and S. Koziel "Tuning Space Mapping: The State of the Art," Session 2P6  Microwave and Millimeter Wave Circuits and Devices, The 31st Progress In Electromagnetics Research Symposium (PIERS) (Kuala Lumpur, Malaysia, 28 March, 2012).
  18. Q.S. Cheng, J.W. Bandler, N.K. Nikolova, and S. Koziel, "Simulation-Driven Optimization and Modeling with Adjoint Sensitivities," Int. Workshop on Advances in Simulation-Driven Optimization and Modeling (ASDOM 2011) (Reykjavik University, Iceland, Aug. 13-14, 2011)
  19. J.W. Bandler, Q.S. Cheng, and S. Koziel, "Exploitation of Simulators and Surrogates in Optimization-driven Design: the Art and the Science," Int. Workshop on Advances in Simulation-Driven Optimization and Modeling (ASDOM 2011) (Reykjavik University, Iceland, Aug. 13-14, 2011).
  20. J.W. Bandler, Q.S. Cheng, and S. Koziel, "Microwave CAD Using Surrogate Optimization and Space Mapping," IEEE MTT-S Int. Microwave Symp. Workshop on WME: Simulation- and Surrogate-Driven Microwave Design Technology (Baltimore, MD, June 6, 2011).
  21. Q.S. Cheng, J.W. Bandler, S. Koziel, and K. Madsen, "Advanced EM design using surrogate models and space mapping," Academic Lecture, (Zhejiang University, Hangzhou, Zhejiang, China, June 22, 2010).
  22. J.W. Bandler, Q.S. Cheng, S. Koziel, "Surrogate modeling and space mapping: the state of the art," IEEE MTT-S Int. Microwave Symp. Workshop on EM-Based Microwave Optimization Technology: State of the Art and Applications (Boston, MA, June 12, 2009).
  23. J.W. Bandler, Q.S. Cheng, S. Koziel, and K. Madsen, "Rapid design with electromagnetic accuracy: space mapping and beyond," IEEE MTT-S Int. Microwave Symp. Workshop on Advances in CAD Techniques for EM Modeling and Design Optimization (Atlanta, GA, June 15, 2008).
  24. J.W. Bandler, Q.S. Cheng, S. Koziel, and K.Madsen, "Engineering modeling and optimization via space mapping: from concept to practice," Workshop on Space-Mapping and Efficient Optimization (CWI, Amsterdam, The Netherlands, Nov. 13, 2006).
  25. A.S. Mohamed, S. Koziel, J.W. Bandler, M.H. Bakr, and Q.S. Cheng, "Rosenbrock-like problems: SMF versus other SBO implementations," Second Int. Workshop on Surrogate Modelling and Space Mapping for Engineering Optimization (SMSMEO-06) (Lyngby, Denmark, Nov. 9-11, 2006).
  26. J.W. Bandler, Q.S. Cheng, S. Koziel, and K. Madsen, "Why space mapping works," Second Int. Workshop on Surrogate Modelling and Space Mapping for Engineering Optimization (SMSMEO-06) (Lyngby, Denmark, Nov. 9-11, 2006).
  27. J.W. Bandler, Q.S. Cheng, and S. Koziel, "Space mapping technology for EM-based modeling and optimization: the state of the art," Second ITESO-Intel International Workshop on Signal Integrity (I3WSI-2006) (Guadalajara, Mexico, Oct. 5-6, 2006).
  28. J.W. Bandler, Q.S. Cheng, S. Koziel, and K. Madsen, "Space mapping technology: what it is and why it works," IEEE MTT-S Int. Microwave Symp. Workshop on Microwave Component Design Using Space Mapping Technology (San Francisco, CA, June 2006).
  29. J.W. Bandler, Q.S. Cheng, S. Koziel, A.S. Mohamed, and K. Madsen, "Automated design and optimization exploiting surrogate models and space mapping," IEEE MTT-S Int. Microwave Symp. Workshop on Advances in Automated Modeling and Microwave Design (Long Beach, CA, June 2005).
  30. J.W. Bandler, Q.S. Cheng, and D.M. Hailu, "Device and component modeling and optimization exploiting space mapping and space-mapping based surrogate modeling," IEEE MTT-S Int. Microwave Symp. Workshop on Advances and New Directions in Device Modeling and Design Optimization for Microwave CAD (Fort Worth, TX, June 2004).
  31. J.W. Bandler and Q.S. Cheng, "Implicit space mapping optimization exploiting preassigned parameters," Micronet Annual Workshop 2003 (Toronto, ON, Canada, Sep. 2003).
  32. J.W. Bandler, Q.S. Cheng, S.A. Dakroury, A.S. Mohamed, M.H. Bakr, K. Madsen, and J. S"ndergaard, "EM-based component modeling and design using space mapping," IEEE MTT-S Int. Microwave Symp. Workshop on Microwave Component Design Using Space Mapping Methodologies (Philadelphia, PA, June 2003).
  33. J.W. Bandler and Q.S. Cheng, "Theory and applications of implicit space mapping using preassigned parameters," Workshop on Optimization Engines for Wireless and Microwave Computer Aided Engineering at Carleton University (Ottawa, ON, Canada, June 2002).
  34. J.W. Bandler and Q.S. Cheng, "Space mapping approaches to EM-based device modeling and component design," IEEE MTT-S Int. Microwave Symp. Workshop on Microwave Component Design Using Space Mapping Methodologies (Seattle, WA, June 2002).
  35. J.W. Bandler, M.H. Bakr, Q.S. Cheng, M.A. Ismail, and J.E. Rayas-S"nchez, "Applications of space mapping optimization technology to filter design," IEEE MTT-S Int. Microwave Symp. Workshop on State-of-The-Art Filter Design Using EM and Circuit Simulation Techniques (Phoenix, AZ, May 2001).