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Prelaunch Calibration of Microwave Humidity Sounder on China's FY-3A Meteorological Satellite
Wang, Zhenzhan; Li, Jing; Zhang, Shengwei; Li, Yun; Wang, ZZ (reprint author), Chinese Acad Sci, Ctr Space Sci & Appl Res, Beijing 100190, Peoples R China.
Department微波遥感部
Source PublicationIEEE GEOSCIENCE AND REMOTE SENSING LETTERS
2011
Volume8Issue:1Pages:29-33
ISSN1545-598X
Language英语
KeywordCalibration Feng Yun-3a (Fy-3a) Meteorological Satellite Microwave Humidity Sounder (Mwhs) Millimeter Wave Thermal/vacuum (T/v) Test
AbstractChina's Feng Yun-3A (FY-3A) meteorological satellite is a second-generation polar-orbiting meteorological satellite launched in May 2008. The Microwave Humidity Sounder (MWHS) is the main payload, designed for atmospheric humidity sounding. Before the launch of MWHS, a series of experiments was conducted in a thermal/vacuum (T/V) chamber. This letter describes the MWHS T/V calibration, in which the flight model currently operating on FY-3A was tested. The calibration procedure and data-processing methods are presented. Calibration results, such as radiometric resolution, receiver nonlinearity, and calibration bias, were obtained. The results meet the specifications on bias and sensitivity of MWHS. Since the instrument temperatures will be approximately 10 degrees C-20 degrees C on orbit, the calibration errors of MWHS over the range of 100-300 K would be less than 0.3 K using the nonlinearity coefficients derived in the T/V test.; China's Feng Yun-3A (FY-3A) meteorological satellite is a second-generation polar-orbiting meteorological satellite launched in May 2008. The Microwave Humidity Sounder (MWHS) is the main payload, designed for atmospheric humidity sounding. Before the launch of MWHS, a series of experiments was conducted in a thermal/vacuum (T/V) chamber. This letter describes the MWHS T/V calibration, in which the flight model currently operating on FY-3A was tested. The calibration procedure and data-processing methods are presented. Calibration results, such as radiometric resolution, receiver nonlinearity, and calibration bias, were obtained. The results meet the specifications on bias and sensitivity of MWHS. Since the instrument temperatures will be approximately 10 degrees C-20 degrees C on orbit, the calibration errors of MWHS over the range of 100-300 K would be less than 0.3 K using the nonlinearity coefficients derived in the T/V test.
Indexed BySCI ; EI
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/122/3444
Collection微波遥感部
Corresponding AuthorWang, ZZ (reprint author), Chinese Acad Sci, Ctr Space Sci & Appl Res, Beijing 100190, Peoples R China.
Recommended Citation
GB/T 7714
Wang, Zhenzhan,Li, Jing,Zhang, Shengwei,et al. Prelaunch Calibration of Microwave Humidity Sounder on China's FY-3A Meteorological Satellite[J]. IEEE GEOSCIENCE AND REMOTE SENSING LETTERS,2011,8(1):29-33.
APA Wang, Zhenzhan,Li, Jing,Zhang, Shengwei,Li, Yun,&Wang, ZZ .(2011).Prelaunch Calibration of Microwave Humidity Sounder on China's FY-3A Meteorological Satellite.IEEE GEOSCIENCE AND REMOTE SENSING LETTERS,8(1),29-33.
MLA Wang, Zhenzhan,et al."Prelaunch Calibration of Microwave Humidity Sounder on China's FY-3A Meteorological Satellite".IEEE GEOSCIENCE AND REMOTE SENSING LETTERS 8.1(2011):29-33.
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