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题名: ANTENNA PATTERN ERROR CALIBRATION FOR l-BAND SYNTHETIC APERTURE RADIOMETER
作者: Zhang, Aili; Liu, Hao; Wu, Ji; Wu, Lin
作者部门: 微波遥感部
会议名称: IEEE International Geoscience & Remote Sensing Symposium
会议日期: JUL 23-28, 2017
会议地点: Fort Worth, TX
会议录: 2017 IEEE INTERNATIONAL GEOSCIENCE AND REMOTE SENSING SYMPOSIUM (IGARSS)
出版日期: 2017
收录类别: CPCI
页码: 500-503
ISSN号: 2153-6996
ISBN号: 978-1-5090-4951-6
关键词: synthetic aperture radiometer ; antenna pattern error ; calibration method ; flat target transformation
英文摘要: In the synthetic aperture radiometer system, the imperfection of the antenna pattern and the inconsistency between the elements can cause systematic spatial error on the retrieved image. Antenna pattern error analysis and calibration methods of an L-band 1-D synthetic aperture radiometer are presented in this paper. An improved calibration algorithm proposed here uses approximate observation target modeled brightness temperature to replace the reference brightness temperature defined as the mean value of the field of view in the flat target transformation(FTT) method. This improved method is verified through a simulation system that simulates L-band 1-D synthetic aperture radiometer's observation process in viewing a series of near real case brightness temperature maps. This is submitted for the special session of "New Developments of Chinese Oceanographic and Meteorological Satellites".
语种: 英语
内容类型: 会议论文
URI标识: http://ir.nssc.ac.cn/handle/122/6285
Appears in Collections:微波遥感部_会议论文

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