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183.31 GHz二单元干涉仪实验研究
Alternative TitleResearch on Experiment of 183.31 GHz Interferometer with Two Elements
孙逢林; 张升伟; sflzan@hotmail.com
Source Publication遥感技术与应用
Keyword干涉式综合孔径辐射计 二单元
Other AbstractInterferometric synthetic aperture radiometer is an attractive conception that uses Fourier synthesis to achieve high spatial resolution avoiding the disadvantages of manufacturing and carrying large antennas.183.31 GHz Interferometric aperture synthesis radiometer will play a significant role in detecting the vertical distribution of atmospheric water vapor,heavy rainfall and cloud liquid water.It makes great sense to provide important parameters for the weather prediction as well.This paper has discussed the analysis of interferometry model and design of the 183.31 GHz interferometer system with two elements.And then two main important tests like simulated point target interferometry and point target interferometry at various angles to get functional verification of the full-scale system are presented.Simulated point target interferometry experimental result which illustrates that the measured amplitude of visibility function is the same,and the results distribute on a round show good stability,which is crucial for a full-scale system.Point target interferometry at various angles shows that real and image parts of the complex visibilities are very close to the expected ideal orthogonal sinusoids.The relationship between baseline length and the real and image parts of the complex visibilities curve frequency is linear which verifies that visibility function and modified brightness temperature is Fourier transform pair alike.
Indexed ByCSCD
Funding Project中国科学院空间科学与应用研究中心
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Document Type期刊论文
Corresponding Authorsflzan@hotmail.com
Recommended Citation
GB/T 7714
孙逢林,张升伟,sflzan@hotmail.com. 183.31 GHz二单元干涉仪实验研究[J]. 遥感技术与应用,2012,27(1):154-158.
APA 孙逢林,张升伟,&sflzan@hotmail.com.(2012).183.31 GHz二单元干涉仪实验研究.遥感技术与应用,27(1),154-158.
MLA 孙逢林,et al."183.31 GHz二单元干涉仪实验研究".遥感技术与应用 27.1(2012):154-158.
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