NSSC OpenIR  > 微波遥感部
DEVELOPMENT OF THE RECONSTRUCTIVE TRANSPONDER FOR IN-ORBIT CALIBRATION OF HY-2 ALTIMETER
Wang, Caiyun; Guo, Wei; Zhao, Fei; Wan, Junzhi; Xu, Ke; Zhao, F (reprint author), Chinese Acad Sci, Ctr Space Sci & Appl Res, Key Lab Microwave Remote Sensing, Beijing 100190, Peoples R China.
Department微波遥感部
Source Publication2015 IEEE INTERNATIONAL GEOSCIENCE AND REMOTE SENSING SYMPOSIUM (IGARSS)
2015
Pages3645-3648
Language英语
ISSN2153-6996
ISBN978-1-4799-7929-5
AbstractHY-2 satellite, the first ocean dynamic satellite of China, was launched in August 2011, carrying a dual frequency (Ku band and C band) altimeter, to measure the global mean sea level [1]. To provide truly sea level measurements, in-orbit calibration is essential. This paper concerns the transponder in-orbit calibration method. A signal reconstructive transponder for HY-2 altimeter in-orbit calibration is presented. Different from the existing bent-pipe ones, this kind of transponder can capture and track altimeter pulses, record them, and reconstruct the chirp pulses, transmit them back to the altimeter. It is carried on a SUV, reduces requirement for a permanent installation site. With the characteristics of capture and record altimeter signals, the HY-2 altimeter inner path delay and clock drift could be derived from the calibration data.
KeywordHy-2 Altimeter In-orbit Calibration Transponder Signal Reconstructive Clock Drift
Conference NameIEEE International Geoscience and Remote Sensing Symposium (IGARSS)
Conference DateJUL 26-31, 2015
Conference PlaceMilan, ITALY
Indexed ByEI ; CPCI
Document Type会议论文
Identifierhttp://ir.nssc.ac.cn/handle/122/5365
Collection微波遥感部
Corresponding AuthorZhao, F (reprint author), Chinese Acad Sci, Ctr Space Sci & Appl Res, Key Lab Microwave Remote Sensing, Beijing 100190, Peoples R China.
Recommended Citation
GB/T 7714
Wang, Caiyun,Guo, Wei,Zhao, Fei,et al. DEVELOPMENT OF THE RECONSTRUCTIVE TRANSPONDER FOR IN-ORBIT CALIBRATION OF HY-2 ALTIMETER[C],2015:3645-3648.
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