NSSC OpenIR  > 微波遥感部
Alternative TitleResearch on terahertz frequency division technique applied to microsatellite platform
王婧; 张升伟; 孟进
Source Publication红外与毫米波学报
Keyword微小卫星 太赫兹分频技术 波导双工器 模式匹配法 实验分析


Other Abstract

Based on the microsatellite constellation, meteorological forecast has been greatly improved in terms of temporal and spatial resolution. To separate the frequency in RF front-end system of the microsatellite atmospheric microwave sounder, a waveguide diplexer with compact size and low insertion loss is adopted. A 166/183 GHz diplexer was designed by using equivalent circuit method and mode-matching technology. According to the actual situation of machining, the effects of iris steepness and iris thickness on the performance of the diplexer are analyzed in the simulation. Through the analysis of the split-block realization and the machining defects, the way of machining is continuously optimized to obtain a satisfactory machining sample. The maximum measured insertion loss is 1.5 dB , the minimum measured return loss is 15 dB , and the measured out-band rejection is higher than 27 dB. The simulation results are consistent with the measured results, which proves that the diplexer design method is feasible.

Indexed BySCI ; EI ; CSCD
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Document Type期刊论文
Corresponding Author张升伟
Recommended Citation
GB/T 7714
王婧,张升伟,孟进. 应用于微小卫星平台的太赫兹分频技术研究[J]. 红外与毫米波学报,2019,38(2):188-194.
APA 王婧,张升伟,&孟进.(2019).应用于微小卫星平台的太赫兹分频技术研究.红外与毫米波学报,38(2),188-194.
MLA 王婧,et al."应用于微小卫星平台的太赫兹分频技术研究".红外与毫米波学报 38.2(2019):188-194.
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