NSSC OpenIR  > 微波遥感部
Alternative TitleAnalysis and Calibration of the Channels Error of Synthetic Aperture Radiometer
刘浩; 吴季; 吴琼; 北京8701信箱
Source Publication电子学报
Keyword综合孔径微波辐射计 信道不平衡 串扰 互耦 定标
Other AbstractTheoretical channels model of synthetic aperture radiometer are presented.Based on this model ,how amplitude imbalance ,phase imbalance and mutual coupling between the different receiving channels effect brightness temperature retrieving is analyzed.The computer simulation results are also presented ,in which the cause of the along-track streaks usually appeared in the retrieved image is identified.In addition,a new system calibration approach is introduced to solve this problem: using digital I2Q vector modulators to simulate the point source in the antenna range ,we can get more accurate GMatrix to retrieve the brightness temperature image.This new approach,as compared with the existing calibration methods ,is especially suitable for in situ use.
Indexed ByCSCD
Funding Project中国科学院空间科学与应用研究中心
Citation statistics
Cited Times:8[CSCD]   [CSCD Record]
Document Type期刊论文
Corresponding Author北京8701信箱
Recommended Citation
GB/T 7714
刘浩,吴季,吴琼,等. 综合孔径微波辐射计信道误差分析与标定[J]. 电子学报,2005,33(3):402-406.
APA 刘浩,吴季,吴琼,&北京8701信箱.(2005).综合孔径微波辐射计信道误差分析与标定.电子学报,33(3),402-406.
MLA 刘浩,et al."综合孔径微波辐射计信道误差分析与标定".电子学报 33.3(2005):402-406.
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