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Wideband Channel Measurement and Characterization Based on 5G Passive Sounding in Railway Scenarios: 《China Communications》2025年第4期13-26,共14页Zheng Peng Fei Dan Chen Chen Chen Haoran Huang Yanyan Ai Bo; supported by Fundamental Research Funds for the Central Universities(No.2024YJS078);the National Natural Science Foundation of China(No.62341127,62221001 and 62171021);the Fundamental Research Funds for the Natural Science Foundation of Jiangsu Province,Major Project(No.BK2021200);the Key Research and Development Program of Zhejiang Province(No.2023C01003)。; With the development of wireless communication,the fifth generation mobile communication technology(5G)has emerged as a hot topic in highspeed railway communication system and has moved towards industrial application....; 关键词：5G channel characterization channel measurement high-speed train passive sounding

Wideband Microstrip-to-Microstrip Vialess Vertical Transition Based on Multilayer Liquid Crystal Polymer Technology: 《Journal of Shanghai Jiaotong university(Science)》2025年第2期220-226,共7页LIU Weihong GUAN Dongyang HUANG Qian CHEN Liuyang ZHANG Menglin; the Shaanxi Provincial Innovation Team Project(No.2020TD-019);the Xi'an Sciences Plan Project(No.2021XJZZ0075)。; A Ka-band wideband microstrip-to-microstrip(MS-to-MS)vialess vertical transition on slotline multimode resonator(MMR)is presented.The proposed transition mainly consists of a slotline MMR on the common ground plane,an...; 关键词：WIDEBAND microstrip-to-microstrip(MS-to-MS) vialess vertical transition slotline multi-mode resonator(MMR)

Low-complexity channel estimation for wideband mmWave massive MIMO systems with uniform planar arrays: 《The Journal of China Universities of Posts and Telecommunications》2025年第1期1-10,共10页Wang Haotian Liu Lizhou Qiu Ling Zhang Lei; supported by the National Key Technology R&D Program of China (2022YFB2902302)。; Millimeter-wave(mmWave) and massive multiple-input multiple-output(MIMO) are broadly recognized as key enabling technologies for the fifth generation(5G) communication systems. In this paper, a low-complexity angle-de...; 关键词：wideband millimeter-wave(mmWave) massive multiple-input multiple-out(MIMO) LOW-COMPLEXITY uniform planar array(UPA) channel estimation

Wideband high gain millimeter wave antenna based on wavy power divider for millimeter wave radar sensor: 《The Journal of China Universities of Posts and Telecommunications》2025年第1期24-30,共7页Zhang Shuanggen Yu Tao Wang Yulan Zhou Ran Cheng Zhihua; supported by the National Natural Science Foundation of China (61974104)。; In this paper, a wideband high gain millimeter wave radar array antenna based on a wavy power divider was proposed. The radar antenna comprises a wavy power divider and a 10-element array antenna. By adjusting the wav...; 关键词：wavy power divider BROADBAND high gain millimeter wave radar antenna radar sensor

Adaptive Mitigation Control for Wideband Oscillations of Offshore Wind Farms With MMC-HVDC System: 《CSEE Journal of Power and Energy Systems》2025年第1期208-216,共9页Yiming Rao Jing Lyu Yifan Wang Xu Cai; supported in part by the National Natural Science Foundation of China(51907125);in part by the China Three Gorges Corporation(202103026)。; With offshore becoming the main battlefield of wind power generation,modular multilevel converter-based high-voltage DC(MMC-HVDC)transmission technology has become an ideal solution for offshore wind power integration...; 关键词：Adaptive mitigation control MMC-HVDC offshore wind farm wideband oscillation

Robust wideband waveform design with constant modulus and discrete phase constraints for distributed precision jamming: 《Frontiers of Information Technology & Electronic Engineering》2025年第1期119-133,共15页Qingsong ZHOU Jialong QIAN Zhongping YANG Chao HUANG Qinxian CHEN Yibo XU Zhengkai WEI; supported by the National Natural Science Foundation of China(No.62301581);the Postgraduate Scientific Research Innovation Project of Hunan Province,China(No.CX20230045)。; Distributed precision jamming(DPJ)is a novel blanket jamming concept in electronic warfare,which delivers the jamming resource to the opponent equipment precisely and ensures that friendly devices are not affected.Rob...; 关键词：Wideband waveform design Constant modulus(CM) Discrete phase Riemannian conjugate gradient(RCG) Distributed precision jamming(DPJ)

Preliminary investigations of a potential optics system for wideband X-ray telescopes: 《Astronomical Techniques and Instruments》2024年第6期335-344,共10页Liqiang Qi Tianxiang Chen Zhengwei Li Qianqing Yin Congzhan Liu Weichun Jiang Lin Li; the China National Space Administration program(D050102);Youth Innovation Promotion Association CAS(2021011).; We present preliminary investigations of a potential optics system for wideband X-ray telescopes.The optical design adopts the conical approximation of the Wolter-I configuration and a combination of multilayer coatin...; 关键词：Depth-graded multilayer Silicon pore optics Wideband X-ray telescope High-energy astrophysics

Wideband Circularly Polarized Substrate-Integrated Waveguide Aperture-Coupled Metasurface Antenna Array for Millimeter-Wave Applications: 《Chinese Journal of Electronics》2024年第6期1468-1477,共10页Jiwei LIAN Chun GENG Xue LU Dazhi DING; supported in part by the National Natural Science Foundation of China(Grant Nos.62101259,62025109,and 61931021);the National Key Laboratory on Electromagnetic Environment Effects(Grant No.JCKYS2019DC4);the Primary Research&Development Plan of Jiangsu Province(Grant No.BE2022070);the Open Research Program of State Key Laboratory of Millimeter Waves(Grant No.K202229)。; A wideband circularly polarized(CP)aperture-coupled metasurface antenna operating at millimeterwave frequency spectrum in substrate-integrated waveguide(SIW)technology is proposed.The proposed metasurface antenna is c...; 关键词：WIDEBAND Circularly polarized MILLIMETER-WAVE Substrate-integrated waveguide Metasurface antenna

Dual-Mode Resonant Sectorial Monopole Antenna with Stable Backfire Gain: 《Chinese Journal of Electronics》2024年第6期1478-1486,共9页Feiyan JI Heng ZHANG Xiuqiong XING Wenjun LU Lei ZHU; supported by the National Key Research and Development Program of China(Grant No.2021YFE0205900);the Key Technologies R&D Program of Jiangsu(Prospective and Key Technologies for Industry)(Grant Nos.BE2022067,BE2022067-2,and BE2022067-1)。; A novel design approach to wideband,dual-mode resonant monopole antenna with stable,enhanced backfire gain is advanced.The sectorial monopole evolves from a linear,0.75-wavelength electric prototype monopole under wid...; 关键词：Dual-mode resonance BACKFIRE WIDEBAND Monopole antenna

A miniaturized wideband high-gain end-fire antenna for 5G-R communication applications: 《High-Speed Railway》2024年第4期259-264,共6页Yutong Shi Yanliang Wu Changhai Hu Zheng Ma Wen Luo; supported in part by the National Natural Science Foundation of China(Nos.U2268201,62271419);in part by the State Key Laboratory of Rail Transit Engineering Informatization(FSDI)under Grant 2022KY50ZD(ZNXT)-01.; This paper presents a miniaturized wideband high-gain microstrip end-fire antenna specifically designed for 5G-R communication applications.The antenna structure comprises a microstrip folded dipole resonator and end-...; 关键词：End-fire antenna Dipole resonator WIDEBAND HIGH-GAIN Intercalated Coupling Structures(ICS)

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