用于SAR运动补偿的DGPS/SINS组合系统研究

ACTA AERONAUTICAET ASTRONAUTICA SINICA ›› 2001, Vol. 22 ›› Issue (2): 121-124.

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DGPS/SINS INTEGRATED SYSTEM USED IN SAR MOTION COMPENSATION

CAO Fu xiang¹, BAO Zheng¹, YUAN Jian ping², ZHENG E²

1. Key Laboratory for Radar Signal Processing, Xidian University, Xi′an 710071, China;2. College of Astronautics, Northwestern Polytechnical University, Xi′an 710072, China

Received:1999-12-27 Revised:2000-05-30 Online:2001-04-25 Published:2001-04-25

Abstract

Abstract:

Nowadays higher resolution image from an airborne Synthetic Aperture Radar (SAR) is needed in both civil and military usage, so more accurate motion compensation should be applied to the radar returns to reduce image degradation caused by spurious motion of antenna phase center (APC). As Global Positioning System (GPS) became practical usage, the SARMCS using the information of GPS has received increasing attention.

Key words: differential GPS, strapdown INS, Kalman filter, synthetic aperture radar, motion compensation

CLC Number:

V243

CAO Fu xiang;BAO Zheng;YUAN Jian ping;ZHENG E. DGPS/SINS INTEGRATED SYSTEM USED IN SAR MOTION COMPENSATION[J]. ACTA AERONAUTICAET ASTRONAUTICA SINICA, 2001, 22(2): 121-124.

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DGPS/SINS INTEGRATED SYSTEM USED IN SAR MOTION COMPENSATION

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