GEO SAR Antenna Three-dimensional Pointing Error Calibration Method Based on Ground Receiver

被引：0
|
作者：
Xing, Kaichu [1 ,2 ,3 ]
Hong, Jun [1 ,2 ]
Wang, Yu [1 ,2 ]
Qiu, Tian [1 ,2 ,3 ]
Du, Shaoyan [1 ,2 ,3 ]
机构：
[1] Chinese Acad Sci, Aerosp Informat Res Inst, Beijing 100190, Peoples R China
[2] Key Lab Microwave Imaging Technol, Beijing 100190, Peoples R China
[3] Univ Chinese Acad Sci, Beijing 100049, Peoples R China
来源：
2022 PHOTONICS & ELECTROMAGNETICS RESEARCH SYMPOSIUM (PIERS 2022) | 2022年
关键词：
D O I：
10.1109/PIERS55526.2022.9792704
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
Antenna pointing error has more serious influence on radiometric calibration of SAR. SAR antenna pointing is two-dimensional, including antenna pointing in range and azimuth, and amazon rainforest and ground receiver are utilized to complete antenna pointing calibration respectively. However, the antenna pointing calibration methods of LEO SAR cannot be applied to GEO SAR, and GEO SAR needs to complete systematic error calibration during the antenna pointing calibration process. In this paper, an antenna pointing calibration method for three-dimensional systematic error of GEO SAR is proposed. The three-dimensional systematic error can be calibrated by using ground receiver to receive the beacon beams transmitted by the GEO SAR.
引用
收藏
页码：1075 / 1078
页数：4
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