李勁鋒
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李勁鋒，男， 北京理工大學教授。
人物簡歷
2022/12-至今北京理工大學集成電子/前沿交叉學院，助理教授
2021/03-2022/11英國威爾士未來核能研究所，Research Associate
2019/05-2022/11英國帝國理工，Visiting Researcher
2019/03-2021/09英國南安普頓大學，Research Fellow
2018/06-2018/08英國巴克萊銀行信息安全總部，Emerging Technologist
2014/10-2019/04英國劍橋大學 液晶毫米波電子工程，博士
2013/09-2014/10英國劍橋大學 核能工程，碩士
2012/09-2013/07英國伯明翰大學 電子與電氣工程，學士
2009/09-2013/06 華中科技大學 電氣工程及其自動化，學士
研究方向
主講課程《賦能6G：液晶毫米波技術前沿》(評教得分：97.079),《ECE學科前沿與進展》《電子科學與技術學科前沿》
學術成果
[1] J. Li and D. Chu, 「Liquid crystal-based enclosed coplanar waveguide phase shifter for 54–66 GHz applications,」 Crystals, vol. 9, 12, 650, December 2019.
[2] A. Yontem, J. Li, and D. Chu, 「Imaging through a projection screen using bi-stable switchable diffusive photon sieves,」 Optics Express, vol. 26, pp. 10162–10170, April 2018.
[3] J. Li, 「Rethinking Liquid Crystal Tunable Phase Shifter Design with Inverted Microstrip Lines at 1–67 GHz by Dissipative Loss Analysis,」 Electronics, vol. 12, 2, 421, January 2023.
[4] J. Li, 「All-optically controlled microwave analog phase shifter with insertion losses balancing,」 Engineering Letters, vol. 28, no. 3, pp. 663–667, 2020.
[5] J. Li, 「Challenges and opportunities for nematic liquid crystals in radio frequency and beyond,」 Crystals, vol. 12, 5, 632, April 2022.
[6] J. Li, 「Tunability Dependence of All-Optical Liquid Crystal Delay Line on Laser Polarization and Incidence Angle,」 Photonics Lett. Pol., vol. 15, no. 4, pp. 51–53, Dec. 2023.
[7] J. Li and H. Li, 「Modeling 0.3 THz Coaxial Single-Mode Phase Shifter Designs in Liquid Crystals with Constitutive Loss Quantifications,」 Crystals, vol. 14, 4, 364, April 2024.
[8] J. Li and H. Li, 「Symmetry Implications of a 60 GHz Inverted Microstrip Line Phase Shifter with Nematic Liquid Crystals in Diverse Packaging Boundary Conditions,」 Symmetry, vol. 16, 7, 798, June 2024.
[9] J. Li and H. Li, 「Susceptibility to Low-Frequency Breakdown in Full-Wave Models of Liquid Crystal-Coaxially-Filled Noise-Shielded Analog Phase Shifters,」 Electronics, vol. 13, 23, 4792, December 2024. (入選Feature Papers in Circuit and Signal Processing)
[10] J. Li and H. Li, 「Assessing Vulnerabilities in Line Length Parameterization and the Per-Unit-Length Paradigm for Phase Modulation and Figure-of-Merit Evaluation in 60 GHz Liquid Crystal Phase Shifters,」 Symmetry, vol. 16, 10, 1261, September 2024. (入選Feature Papers in Section "Engineering and Materials" 2024)
[11] J. Li, Y. Seki, K. V. Rajan, M. A. Ayu, A. H. Muhendra, S. A. Thabit, K. Kyritsis, N. Spatiotis, I. Perikos, and M. Paraskevas, "Advances in Sentiment Analysis - Techniques, Applications, and Challenges,」 Book Editor: Jinfeng Li. IntechOpen, ISBN: 978-0-85014-061-3, Print ISBN: 978-0-85014-060-6, ISSN: 2633-1403. January 2024.
[12] J. Li and H. Li, 「Liquid Crystal-Filled 60 GHz Coaxially Structured Phase Shifter Design and Simulation with Enhanced Figure of Merit by Novel Permittivity-Dependent Impedance Matching," Electronics, vol. 13, no. 3, 626, February 2024.
[13] J. Li, 「Taking Flow Characterization to New Heights by Fiber Bragg Gratings Array,」 Energies, vol. 16, 10, 4218, May 2023.
[14] J. Li, 「From Liquid Crystal on Silicon and Liquid Crystal Reflectarray to Reconfigurable Intelligent Surfaces for Post-5G Networks,」 Applied Sciences, vol. 13, 13, 7407, June 2023.
[15] L. Cai, H. Xu, J. Li, and D. Chu, 「High figure-of-merit compact phase shifters based on liquid crystal material for 1–10 GHz applications,」 Jpn. J. Appl. Phys., vol. 56, 011701, November 2017.
[16] J. Li, 「Millimetre-wave beam steering with analog-resolution and minimised distortion based on liquid crystals tunable delay lines with enhanced signal-to-noise ratios,」 Proc. SPIE, Millimetre Wave and Terahertz Sensors and Technology XIII, vol. 11541, 115410H, September 2020.
[17] J. Li, 「Monte Carlo investigation of the UK’s first EPR nuclear reactor startup core using Serpent,」 Energies, vol. 13, 19, 5168, October 2020.
[18] J. Li, 「Will 『Liquid-Crystal-Based Floating-Electrode-Free Coplanar Waveguide Phase Shifter With an Additional Liquid-Crystal Layer for 28-GHz Applications』 Work?」 Engineering Letters, vol. 31, 2, pp. 820–824, 2023.
[19] J. Li, 「Vulnerabilities mapping based on OWASP-SANS: a survey for static application security testing (SAST)」, Annals of Emerging Technologies in Computing, vol. 4, no. 3, pp. 1–8, July 2020. (獲AETiC Highly Cited Article Award)
[20] H. Plows, J. Li, M. Dahlfors, and M. Margulis, 「Flow Characterisation Using Fibre Bragg Gratings and Their Potential Use in Nuclear Thermal Hydraulics Experiments,」 Journal of Nuclear Engineering, vol. 4, no. 4, pp. 668–690, October 2023.
[21] J. Li and H. Li, 「Frequency Ripples Reduction in Differential Delay Time of Liquid Crystals Coaxial Delay Lines,」 IEEE AP-S/URSI 2024, Florence, Italy, 2024, pp. 154–155. (IEEE天線與傳播學會旗艦會議)
[22] J. Li, 「Rethinking figure-of-merits of liquid crystals shielded coplanar waveguide phase shifters at 60 GHz,」 J, vol. 4, pp. 444–451, August 2021.
[23] J. Li, 「An efficient mixed-signal dielectric-partitioning model of liquid crystals based shielded coplanar waveguide for electronically reconfigurable delay lines design,」 Proc. SPIE, Integrated Optics: Design, Devices, Systems and Applications VI, vol. 11775, 1177519, April 2021.
[24] J. Li, 「Performance limits of 433 MHz quarter-wave monopole antennas due to grounding dimension and conductivity,」 Annals of Emerging Technologies in Computing, vol. 6, no. 3, pp. 1–10, July 2022.
[25] J. Li, 「Low-loss tunable dielectrics for millimeter-wave phase shifter: from material modelling to device prototyping,」 IOP Conference Series: Materials Science and Engineering, vol. 892, 012057, 2020.
[26] J. Li, 「Modelling nuclear fuel assembly with thermal-hydraulic feedback and burnup using WIMS-PANTHER-Serpent,」 Journal of Physics: Conference Series, vol. 1603, 012012, 2020.
[27] J. Li, 「Towards 76-81 GHz scalable phase shifting by folded dual-strip shielded coplanar waveguide with liquid crystals,」 Annals of Emerging Technologies in Computing, vol. 5, no. 4, pp. 14–22, October 2021.
[28] J. Li, 「60 GHz 0-360˚ passive analog delay line in liquid crystal technology based on a novel conductor-backed fully-enclosed coplanar waveguide,」 2022 IEEE 72nd Electronic Components and Technology Conference (ECTC), San Diego, USA, 2022, pp. 1841–1846. (電子封裝領域國際頂會)
[29] J. Li, H. Xu, and D. Chu, 「Design of liquid crystal based coplanar waveguide tunable phase shifter with no floating electrodes for 60–90 GHz applications,」 46th European Microwave Conference (EuMC), London, 2016, pp. 1047–1050.
[30] J. Li, 「Wideband PCB-to-connectors impedance adapters for liquid crystal-based low-loss phase shifters,」 50th European Microwave Conference (EuMC), Utrecht, 2021, pp. 546–549.
[31] J. Li, 「Optically steerable phased array enabling technology based on mesogenic azobenzene liquid crystals for starlink towards 6G,」 IEEE Asia-Pacific Microwave Conference (APMC), Hong Kong, 2020, pp. 345–347.
[32] J. Li, 「Managing 60 GHz field peaking of an liquid crystal enclosed coplanar waveguide by core edge shaping,」 IEEE Asia-Pacific Microwave Conference (APMC), Hong Kong, 2020, pp. 403–405.
[33] J. Li, 「Figure-of-merits mismatch in liquid crystals mmWave phase shifters,」 46th International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz), Chengdu, 2021. pp. 1–2.
[34] J. Li, 「Bias tees integrated liquid crystals inverted microstrip phase shifter for phased array feeds,」 21st IEEE International Conference on Electronic Packaging Technology (ICEPT), Guangzhou, 2020, pp. 1–5.
[35] J. Li, 「60 GHz optimised nickel-free gold-plated enclosed coplanar waveguide liquid crystal phase shifter,」 IEEE MTT-S International Microwave Workshop Series on Advanced Materials and Processes for RF and THz Applications (IEEE MTT-S IMWS-AMP), Suzhou, 2020, pp. 1–3.
[36] L. Cai, H. Xu, J. Li, and D. Chu, 「High FoM liquid crystal based microstrip phase shifter for phased array antennas,」 IEEE 21st International Symposium on Antennas and Propagation (ISAP), Okinawa, 2016, pp. 402–403.
[37] J. Li, 「79 GHz meandering enclosed-coplanar variable delay lines in liquid crystals encapsulated within independent and shared cavities,」 IEEE 27th International Symposium on Antennas and Propagation (ISAP), Sydney, Australia, 2022, pp. 457–458. (擔任分會主席)
[38] J. Li, 「Design and control optimisation of a novel bypass-embedded multilevel multicell inverter for hybrid electric vehicle drives,」 IEEE 11th International Symposium on Power Electronics for Distributed Generation Systems (PEDG), Dubrovnik, 2020, pp. 382–385.
[39] J. Li, 「Hybrid propulsion motor drives model based on multi-level inverters with optimised fuel economy,」 IEEE Vehicular Power and Propulsion Conference (IEEE VPPC), Gijón, 2020, pp. 1–5. (電機驅動領域頂會)
[40] J. Li and X. Guo, 「COVID-19 contact-tracing apps: a survey on the global deployment and challenges,」 arXiv preprint arXiv:2005.03599, 2020. (被美國國家科學院院刊PNAS引用, 並受到MIT Technology Review採訪邀請)
[41] J. Li, 「Novel partially-shielded coplanar waveguide with metasurfaces for liquid crystals tunable delay lines beyond 67 GHz,」 2022 IEEE Conference on Antenna Measurements & Applications (IEEE CAMA), Guangzhou, China, 2022, pp. 1–4.
[42] J. Li, 「Optically inspired cryptography and cryptanalysis: a survey and research directions,」 Emerging Technologies in Computing, vol. 332, LNICST, Springer, 2020, pp. 98–110.
[43] J. Li, 「Machine learning and digital twinning enabled liquid crystals mm-wave reconfigurable devices design and systems operation,」 2022 IEEE MTT-S International Microwave Workshop Series on Advanced Materials and Processes for RF and THz Applications (IEEE MTT-S IMWS-AMP), Guangzhou, China, April 2023, pp. 1–3.
[44] J. Li and H. Li, 「Navigating Aspect Ratio Effects in Response Time Challenges of Liquid Crystal Coaxial Phase Shifters for Next-Generation mmW Communications,」 IEEE 11th International Conference on Wireless Networks and Mobile Communications (WINCOM), Leeds, United Kingdom, 2024, pp. 1–5.
[45] J. Li, 「Demystifying Two-Dimensional Asymmetrical Grounding Impacts on Monopole Antennas at 433 MHz,」 9th IEEE International Conference on Microwaves, Communications, Antennas, Biomedical Engineering and Electronic Systems (IEEE COMCAS 2024), Tel Aviv, Israel, 2024, pp. 1–4.
[46] J. Li, 「Dissipative Analysis of Liquid Crystal-loaded Passive Reconfigurable Transmission Line Components with Filled Vias at 60 GHz,」 IEEE MTT-S International Conference on Numerical Electromagnetic and Multiphysics Modeling and Optimization (NEMO), Winnipeg, Canada, August 2023, pp. 48–50.
[47] J. Li and H. Li, 「Effective Dielectric Constant Benchmark of 60 GHz Liquid Crystal-Filled Coaxial Delay Line,」 2024 IEEE International Conference on Computational Electromagnetics (ICCEM), Nanjing, China, 2024, pp. 1–3. (計算電磁學領域國際旗艦會議)
[48] J. Khatry, J. Li, M. Margulis, M. Dahlfors, J. Corre, H. Prasser, 「Light water reactor thermal hydraulics facility development in North Wales,」 19th International Topical Meeting on Nuclear Reactor Thermal Hydraulics (NURETH-19), Brussels, Belgium, March 2022. (第十九屆國際核反應堆熱工水力大會)
[49] X. Guo and J. Li*, 「A novel twitter sentiment analysis model with baseline correlation for financial market prediction with improved efficiency,」 2019 Sixth IEEE International Conference on Social Networks Analysis, Management and Security (SNAMS), Granada, Spain, 2019, pp. 472–477. (擔任分會主席)
[50] H. Plows, M. Margulis, and J. Li, 「3D Imaging of Phase Structures Using Fibre Bragg Grating Grid Sensors,」 20th International Topical Meeting on Nuclear Reactor Thermal Hydraulics (NURETH-20), American Nuclear Society (ANS), Washington, D.C., August 2023, pp. 2944–2944. (第二十屆國際核反應堆熱工水力大會)
[51] J. Li and H. Li, 「Computationally Sampling Surface and Volume Current Densities of Liquid Crystal Non-Planar Phase Shifters for Low-Loss 5G IoT and 6G AIoT,」 2024 IEEE International Conference on Omni-layer Intelligent Systems (IEEE COINS), London, UK, 2024, pp. 1–6. (擔任分會主席)
[52] J. Li, 「Roadmap of 6G Reconfigurable Intelligent Surfaces with Nematic Liquid Crystals: Fundamentals, State-of-the-Art, and Challenges,」 IEEE/IFAC 10th International Conference on Control, Decision and Information Technologies (CoDIT 2024), Vallette, Malta, 2024, pp. 802–807. (擔任分會主席)
[53] J. Li and H. Li, 「Finite-element Adaptive Meshing Statistics of Liquid Crystal Coaxial Phase Shifters for mmW Electronics and THz Photonics Beyond Display: A Comparative Study,」 Photonics Lett. Pol., vol. 16, no. 3, pp. 40–42, October 2024.
研究成果
劍橋大學信託學者，Cambridge Trust 獎學金獲得者，英國工程技術協會IET Prize獲得者，開拓了多種新型液晶電控/光控微波/毫米波移相器，第一作者發表SCI/EI論文50餘篇，主編專著1部，獲英國物理學會IOP以及IEEE會議最佳論文獎、2023 年計算新興技術年鑑高被引文章獎。主持：國家自然科學基金青年科學基金項目，北京理工大學科技創新計劃等項目。曾重點深度參與：平方公里陣列射電望遠鏡（SKA）、英國工程和自然科學研究委員會（EPSRC）、英國科學與技術設施理事會（STFC）、英國勞氏 (LR) 、歐洲區域發展基金 (ERDF)、威爾士熱工水力學開放獲取研究設施 (THOR) 等國際研發項目。
榮獲獎項
2009年榮獲 華中科技大學科技創新標兵；
2013年榮獲 英國工程技術協會IET Prize；
2013年榮獲 英國伯明翰大學本科畢業論文最高獎AP Jarvis Undergraduate Prize，排名1；
2013年榮獲 華中科技大學優秀畢業生；
2014年榮獲 英國劍橋大學Trust獎學金；
2020年榮獲 IEEE會議最佳論文獎；
2021年榮獲 英國物理學會IOP會議最佳論文獎；
2023年榮獲計算新興技術年鑑高被引文章獎 AETiC Highly Cited Article Award 2023；
2023年入選國家級青年人才
2024年指導研究生榮獲北京理工大學校級優秀學生。
學術兼職
1. IEEE第27屆天線與傳播國際研討會「新傳輸線/結構」分會主席 (Sydney, Australia)。
2. IEEE第15屆國際微波毫米波技術會議「無源器件/電路」分會主席。
3. IEEE/IFAC 10th CoDIT 2024「雲計算與無線系統」分會主席 (Valetta, Malta)。
4. IEEE SNAMS 2019 分會主席 (Granada, Spain)。
5. IEEE COINS 2024「電路、系統與設計自動化」分會主席 (London, UK)。
6. IEEE VCC 2024「通信系統與設備」分會主席。
7. 第五屆全國太赫茲科學技術青年年會暨中國國際太赫茲青年論壇太赫茲探測及檢測技術分論壇主席。
8. 中國通信學會高級會員。
9. 3個SCI期刊編委，Nature子刊、IEEE Transactions、Photonics Research、Optics Express等權威期刊審稿人。
10. 聯合國教科文組織英國牛頓基金牛頓獎項目評審專家。