基于IMU数据与双星定位系统组合的机载SAR运动补偿
doi: 10.3724/SP.J.1146.2005.01481
Airborne SAR Motion Compensation Based on IMU Data and GEOSTAR Integrated System
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摘要: 该文主要介绍了机载SAR平台运动误差中惯性测量单元(IMU)系统误差的补偿方法。由于双星定位系统误差不随时间递增，该文利用双星定位系统(GEOSTAR)与IMU进行组合，消除随时间递增的IMU系统误差，提高IMU定位精度，从而减轻SAR成像处理器运动补偿的负担。Abstract: This paper introduces a method to compensate IMU air-borne SAR platform. Because GEOSTAR system error does not increase with time, GEOSTAR system and IMU to cancel IMU system errror which increases with time. It can improve precision of IMU positioning and lighten burden of motion compensation of SAR processor.
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Difilppo J, Haslam E, and Widnall S．Evaluation of a kalman filter for SAR motion compensation．Positon Location and Navigation Symposium, IEEE PLANS, 1988: 259-268.[2]易维勇．惯性导航及组合导航研究及仿真．[硕士论文]，中国人民解放军信息工程大学，2002.[3]Buckreuss S. Motion compensation for airborne SAR based on inertial data[J].RDM and GPS，Proc. IGARSS94, California USA.1994, Vol.4:1971-1973 -
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