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Multi-frequency dual polarisation radiometer common aperture antenna feeding system
Wang Hongjian; Hao Qiyan; Yi Min; Zhang Dehai; Dong Xingchao; Liu Yang; Chen Xue; Wang, HJ (reprint author), Natl Space Sci Ctr, CAS Key Lab Microwave Remote Sensing, Beijing 100190, Peoples R China.; Wang, HJ (reprint author), Univ Chinese Acad Sci, Sch Elect Elect & Commun Engn, 19 A Yuquan Rd, Beijing 100049, Peoples R China.
作者部门微波遥感部
会议录名称IET MICROWAVES ANTENNAS & PROPAGATION
2018
页码1765-1770
语种英语
ISSN号1751-8725
摘要This study presents a design of a tri-band dual polarisation common aperture feed horn used for the radiometer. The proposed feeding system is made up of a corrugated horn, an orthomode transducer (OMT) and two pairs of a high-pass filter (HPF) and a band-pass filter (BPF). The broadband profiled corrugated horn loaded with teeth (rings) is adopted as the feed of the radiometer. Wideband finline OMT is developed to realise a bandwidth ratio in excess of 2:1. Two different HPFs and BPFs are employed to block and pass waves of different frequencies. The feeding structure is then simulated, fabricated and tested. The measured results show that the radiation patterns possess good symmetry at all three working frequencies of interest (18.7, 23.8 and 37GHz). Furthermore, the cross-polarisation levels are below -23dB and voltage standing-wave ratios are lower than 1.5 throughout all working bands.
会议名称10th UK-Europe-China Workshop on Millimetre-Waves and Terahertz Technologies (UCMMT)
会议日期SEP, 2017
会议地点Liverpool, ENGLAND
收录类别CPCI
文献类型会议论文
条目标识符http://ir.nssc.ac.cn/handle/122/6415
专题微波遥感部
通讯作者Wang, HJ (reprint author), Natl Space Sci Ctr, CAS Key Lab Microwave Remote Sensing, Beijing 100190, Peoples R China.; Wang, HJ (reprint author), Univ Chinese Acad Sci, Sch Elect Elect & Commun Engn, 19 A Yuquan Rd, Beijing 100049, Peoples R China.
推荐引用方式
GB/T 7714
Wang Hongjian,Hao Qiyan,Yi Min,et al. Multi-frequency dual polarisation radiometer common aperture antenna feeding system[C],2018:1765-1770.
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