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The analysis of affections to the cold space calibration source of ChangE-1 payload Microwave Detector
Zhang, H. Y.; Zhang, X. H.; Yang, J. L.; 北京8701信箱
Department国家863计划微波遥感技术
Source PublicationAdvances in Space Research
2008
Volume42Issue:2Pages:350-357
ISSN0273-1177
Language英语
KeywordCe-1 Microwave Detector Cold Space Calibration Solar Radiation
AbstractChangE-1 (CE-1) will be the first satellite of China in lunar orbit. Its Microwave Detector makes real-time and periodical calibration at high and low temperature points. The low brightness temperature calibration source will be provided by calibration antenna which is pointing towards the cold space.This paper focuses on analyzing solar radiation affections to the cold space calibration source while the satellite is in lunar orbit. We get the following results: 1. Solar radiation affections are maximal when the satellite is right facing the sun and the maximal brightness temperatures which close to the original antenna temperature T are 86.3200, 85.6700, 31.0020, 29.8905 K, respectively. 2. The incidence of solar radiation affections in forward-flight is smaller than in sideward-flight, and the affections fluctuate rapidly in forward-flight when reaching to and leaving from the peak value. But when in sideward-flight, they are smoothly descending all the time. 3. The solar radiation affections to channel 1 (3 GHz) and channel 2 (7.8 GHz) are almost as three times high as to the other two channels. 4. The affections to E plane, H plane and 45 plane of the same channel are quite similar. These results not only provide important theoretical reference to Microwave Detector’s calibration, but also would be useful when observing the earth in future.
Indexed BySCI
Funding Project中国科学院空间科学与应用研究中心
Document Type期刊论文
Identifierhttp://ir.nssc.ac.cn/handle/122/1809
Collection微波遥感部
Corresponding Author北京8701信箱
Recommended Citation
GB/T 7714
Zhang, H. Y.,Zhang, X. H.,Yang, J. L.,et al. The analysis of affections to the cold space calibration source of ChangE-1 payload Microwave Detector[J]. Advances in Space Research,2008,42(2):350-357.
APA Zhang, H. Y.,Zhang, X. H.,Yang, J. L.,&北京8701信箱.(2008).The analysis of affections to the cold space calibration source of ChangE-1 payload Microwave Detector.Advances in Space Research,42(2),350-357.
MLA Zhang, H. Y.,et al."The analysis of affections to the cold space calibration source of ChangE-1 payload Microwave Detector".Advances in Space Research 42.2(2008):350-357.
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