Development of terahertz waveguide diplexer

被引：3
|
作者：
Wang Jing [1 ,2 ]
Zhang Sheng-Wei [1 ]
Luo Yang-Jin [1 ,2 ]
Meng Jin [1 ]
机构：
[1] Chinese Acad Sci, Natl Space Sci Ctr, Key Lab Microwave Remote Sensing, Beijing 100190, Peoples R China
[2] Univ Chinese Acad Sci, Beijing 100190, Peoples R China
来源：
JOURNAL OF INFRARED AND MILLIMETER WAVES | 2018年 / 37卷 / 04期
关键词：
terahertz; waveguide diplexer; mode-matching method; spurious passband suppression; FILTER; BAND;
D O I：
10.11972/j.issn.1001-9014.2018.04.018
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
Using formation networking of micro-satellites to observe the earth and miniaturizing microwave devices has been one of the development trends of space remote sensing. Based on atmospheric microwave sounder for micro-satellites, two high-performance terahertz waveguide diplexers were designed. With mode-matching method, the discontinuity element of diplexer was analyzed and the parameters of diplexer were optimized. In order to improve out-band rejection of 89 GHz filter, different widths of resonant cavity was adopted. The simulation results indicated that two diplexers had good performance in insertion loss, out-band rejection, return loss, etc. It is proved that mode-matching method is effective in designing terahertz devices.
引用
收藏
页码：493 / 500
页数：8
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