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Reverse radiation in microwave radiometer
Jing Li; JingShang Jiang; Maotang Li; 北京8701信箱
Source PublicationProceedings of the Society of Photo-Optical Instrumentation Engineers (Spie)
AbstractMicrowave radiometer is a kind of passive microwave remote sensor. Generally microwave radiometer is considered passively receiving radiation from the object and no energy radiate from the antenna to the outside. In the practical system, the components of radiometer really have thermal noise and radiate energy in the reverse direction. In another case, the reverse radiation comes from the mismatch of the components between the antenna to the receiver system. The energy radiates to the outside through antenna, and reflected back by the objects and received by antenna again. The value of reverse radiative temperature is related to the noise of the receiver and components of the receiver front-end. The reverse radiative temperature in the system will affect the accuracy of the calibration of microwave radiometer and the ground-based microwave radiative measurements near nadir angle.
KeywordMicrowave Radiometer Reverse Radiative Temperature
Conference NameConference on Microwave Remote Sensing of the Atmosphere and Environment
Conference Date1998
Conference PlaceBeijing, Peoples R China
Indexed ByCPCI
Document Type会议论文
Corresponding Author北京8701信箱
Recommended Citation
GB/T 7714
Jing Li,JingShang Jiang,Maotang Li,et al. Reverse radiation in microwave radiometer[C]. BELLINGHAM:Spie-Int Soc Optical Engineering,1998:408-412.
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