[3] [3] SONG H J, LEE N. Terahertz communications:challenges in the next decade[J]. IEEE Transactions on Terahertz Science and Technology, 2022, 12(2): 105-117. doi:10. 1109/TTHZ.2021.3128677.

[5] [5] LI Jianxing,LI Lei,LU Ling,et al. Four-way waveguide power divider design for W-band applications[J]. International Journal of RF and Microwave Computer-Aided Engineering, 2018,28(5):e21242. doi:10. 1002/mmce.21242.

[6] [6] DENG Xianjin,RAO Yunbo,HUANG Kun,et al. A high efficiency d-band 32-channel radial waveguide power divider/combiner[C]// 2021 IEEE MTT-S International Microwave Symposium(IMS). Atlanta, GA, USA: IEEE, 2021: 566-569. doi: 10. 1109/ IMS19712.2021.9574842.

[7] [7] HE Yinjian,MO Dayi,WU Qiongsen,et al. A Ka-band waveguide magic-T with coplanar arms using ridge-waveguide transition[J]. IEEE Microwave and Wireless Components Letters, 2017,27( 11):965-967. doi:10. 1109/LMWC.2017.2750020.

[9] [9] DANG Zhang, ZHANG Yong, ZHU Huali, et al. An isolated out-of-phase 3-dB power divider via waveguide-to-microstrip transition[J]. IEEE Microwave and Wireless Components Letters, 2022,32( 1):21-24. doi:10. 1109/LMWC.2021.3114413.

[10] [10] ZHOU Yedi,SONG Kaijun,GUO Song,et al. Novel subterahertz high isolation stacked-SIW power divider[J]. IEEE Transactions on Terahertz Science and Technology, 2023, 13(4):316-323. doi:10. 1109/TTHZ.2023.3275820.

[12] [12] LU Yu, DING Zhenyu, LIU Huan, et al. A GCPW power divider with high isolation for 24 GHz FMCW radar systems[C]// 2023 International Conference on Microwave and Millimeter Wave Technology(ICMMT). Qingdao, China: IEEE, 2023: 1-3. doi: 10. 1109/ICMMT58241.2023. 10277665.

[14] [14] CHEN Yuta, DENG Puhua, CHEN Bolin, et al. Design of a microstrip out-of-phase power divider using shorted-coupled-line transformer[C]// 2015 Asia-Pacific Microwave Conference(APMC). Nanjing, China: IEEE, 2015: 1-3. doi: 10. 1109/APMC. 2015. 7413528.

[16] [16] WANG C H,LIN YS,TSAI M-C,et al. An input-impedance-based circuit model for coplanar waveguide-to-slotline T-junction[J]. IEEE Transactions on Microwave Theory and Techniques, 2004,52(6): 1585-1591. doi:10. 1109/TMTT. 2024.828446.

[17] [17] INDER B,MAURIZIO B,RAMESH G. Microstrip lines and slotlines[M]. 3rded. Norwood:Artech House, 2013.

[18] [18] TERRY C,MICHAEL B. Foundations for microstrip circuit design[M]. 4thed. Chichester:John Wiley & Sons Inc, 2016.