Study of Methods of Motion Compensation of HighResolution Airborne SAR Based on Inertial Measurement Unit（IMU）

李立伟; 毛士艺

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Study of Methods of Motion Compensation of HighResolution Airborne SAR Based on Inertial Measurement Unit（IMU）

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- Study of Methods of Motion Compensation of HighResolution Airborne SAR Based on Inertial Measurement Unit（IMU）
- Acta Electronica Sinica Issue 12, (1998)
- 作者机构：
  
  北京航空航天大学电子工程系
- 作者简介：
- 基金信息：
- DOI：
  CLC： TN957.51
- Published：1998
- 稿件说明：
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[1]李立伟,毛士艺.基于IMU的高分辨率机载SAR运动补偿方法研究[J].电子学报,1998(12):1-6.

李立伟, 毛士艺. Study of Methods of Motion Compensation of HighResolution Airborne SAR Based on Inertial Measurement Unit（IMU）[J]. Acta Electronica Sinica, 1998, (12).
[1]李立伟,毛士艺.基于IMU的高分辨率机载SAR运动补偿方法研究[J].电子学报,1998(12):1-6. DOI：

李立伟, 毛士艺. Study of Methods of Motion Compensation of HighResolution Airborne SAR Based on Inertial Measurement Unit（IMU）[J]. Acta Electronica Sinica, 1998, (12). DOI：

摘要

如何克服惯性测量单元（ＩＭＵ）的系统误差是一个难题。本文提出利用参考系统校正ＩＭＵ系统误差为核心的两种易于实时实现的高分辨率机载ＳＡＲ运动补偿方法。一是利用参考系统如：全球定位系统（ＧＰＳ）或气压计，校正ＩＭＵ的系统误差。二是利用基于雷达数据的反射位移方式（ＲＤＭ）校正ＩＭＵ的系统误差。本文从理论上分析并比较了几种对系统误差估计和校正方法的性能和优缺点，为实现高分辨率机载ＳＡＲ成像提供理论基础。本文最后给出了相应的实验结果。

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