个人简介
教育经历
1996.9-2000.6 东南大学强化班/电子工程系，获物理电子学专业学士学位；
2002.9-2008.3 东南大学电子工程系，获物理电子学硕士、博士学位。
工作经历
2000.9-2002.6 东南大学电工电子中心，流动助教
2008.3-今 东南大学电子科学与工程学院教师（讲师、副教授、教授）
2014.3-2015.3 美国UC Davis访问学者
主持完成了国家自然基金面上/青年基金一项，江苏省产学研前瞻性项目一项，专项项目多项。目前主持专项项目多项，参与多项省部级课题。在IEEE TMTT,EDL,TED等国际期刊及会议共发表七十余篇相关文章，真空电子技术期刊青年编委，IEEE TED/ IEEE EDL/ Elsiver等期刊审稿人。获江苏省科学进步奖一等奖一项（排名2），获得十余项发明专利授权。
近期论文
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1. Di Guo, Quansheng Zhang, Changsheng Shen, Zhaofu Chen, Hehong Fan, Changqing Zhang, Pan Pan, Xiaohan Sun, and Ningfeng Bai* , Compact High Transmissivity Metal-waveguide Mode Converters Based on Metasurface, IEEE TRANSACTIONS ON Microwave Theory & Techniques, Accepted, 2024.
2. Yaoyao Cao, Wei Hong, Yang Xie, Xu Zeng, Pan Pan, Jun Cai, Jinjun Feng and Ningfeng Bai* , Inverse Design of a Broad Bandwidth W-band Meta-surface Window for Gyro-TWT Based on Bidirectional Machine Learning, IEEE TRANSACTIONS ON PLASMA SCIENCE, 52 (3) , pp.721-726 , 2024.
3. Mingjing Ma, Yang Xie, Changsheng Shen, Zhaofu Chen, Hongxia Chen, Ningfeng Bai* , and Xiaohan Sun, Multiphysics Characteristics of a 600 W Broadband Ka-Band Pseudo-Periodic Helix Traveling Wave Tube, IEEE Transactions on Electron Devices, 71(3):2105-2110, 2024, doi: 10.1109/TED.2024.3350558
4. Quansheng Zhang, Di Guo, Changsheng Shen, Zhaofu Chen and Ningfeng Bai* , Millimeter-wave metalens with extended depth of focal on the short focal length, Physica Scripta, 99(1):015516, Jan. 2024, doi: 10.1088/1402-4896/ad1471
5. Kaifang Weng, Changsheng Shen, Zhaofu Chen and Ningfeng Bai* , Investigation of silicon-on-insulator back-gate nano vacuum channel transistor array, JVST: B, 42(2): 023201, 2024, doi: 10.1116/6.0003346
6. Lexin Yang, Mingjing Ma, Yang Xie, Hehong Fan, Zhaofu Chen, Ningfeng Bai* , Xiaohan Sun, Investigation of High-Power Ring-Bar Traveling Wave Tube With Metamaterial Absorber, IEEE Transactions on Plasma Science, 51(2): 392-398, Feb. 2023, doi: 10.1109/TPS.2023.3236426.
7. Y. Xie, N. Bai* , C. Shen, H. Fan, Z. Chen and X. Sun, "Backward-Wave Oscillation Suppression in Folded Waveguide Traveling-Wave Tube With Metamaterial Absorber," in IEEE Access, 11: 4830-4837, 2023, doi: 10.1109/ACCESS.2023.3236511.
8. Yijun Zhu, Yang Xie, Hehong Fan, Changsheng Shen, Zhaofu Chen, Ningfeng Bai* , Xiaohan Sun, Inverse Design of Folded Waveguide SWSs for Application in TWTs Based on Transfer Learning of Deep Neural Network, IEEE TRANSACTIONS ON PLASMA SCIENCE, 50(9), 3276-3282, 2022
9. Yang Xie, Ningfeng Bai* , Wei Hong, Xiaohan Sun, Study of A Hexagonal Lattice Defect Photonic Crystal Waveguide Slow Wave Structure for G-Band Traveling Wave Tube, Journal of Electromagnetic Waves and Applications, 36(6), 843-855, 2022
10. Yijun Zhu, Yang Xie, Ningfeng Bai* , Xiaohan Sun, Inverse Design of a Microstrip Meander Line Slow Wave Structure with XGBoost and Neural Network, Electroncis, 10(19):2430, 2021
11. Ningfeng Bai* , Jingxuan Shen, Hehong Fa, Xiaohan Sun, Pan Pan, Jun Cai, Wenjie Yu, Jinjun Feng, A Broad Bandwidth Metamaterial Pillbox Window for W-Band Traveling-Wave Tubes, IEEE Electronic Devices Letters, 42(8): 1228-1231, 2021
12. Ningfeng Bai* , Fuxian Zhong, Jingxuan Shen, Hehong Fan, Xiaohan Sun, A thermal-insensitive ultra-broadband metamaterial absorber, J. Phys. D: Appl. Phys. 54(9)095107, 2021
13. Ningfeng Bai* , Xiaotao Zhu, Wei Hong, Xiaohan Sun, Tri- layer gradient and polarization-selective vertical couplers for interlayer transition, Optics Express, 28(15): 23048-23059, 2020
14. Ningfeng Bai* , Yang Xie, Wei Hong, Xiaohan Sun, A Terahertz Traveling-Wave Tube Based on Defect Photonic Crystal Waveguide, IEEE Trans. On Plasma Science, 48(6):1936-1941, 2020.
15. Ningfeng Bai *, Wenchen, Xiang, Jingxuan Shen, Changshen, Sheng, Xiaohan Sun, A Ka-Band Folded Waveguide Traveling Wave Tube With Lumped Resistance Metamaterial Absorber, IEEE Trans on Electron Devs, 67(3):1248-1253, 2020
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