Doppler Parameter Estimation for Spaceborne Synthetic Aperture Radar（SAR）

黄永红; 毛士艺

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Doppler Parameter Estimation for Spaceborne Synthetic Aperture Radar（SAR）

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- Doppler Parameter Estimation for Spaceborne Synthetic Aperture Radar（SAR）
- Acta Electronica Sinica Issue 6, (1994)
- 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： TN957.524
- Published：1994
- 稿件说明：
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[1]黄永红,毛士艺.星载合成孔径雷达多普勒参数估计[J].电子学报,1994(06):10-16.

黄永红, 毛士艺. Doppler Parameter Estimation for Spaceborne Synthetic Aperture Radar（SAR）[J]. Acta Electronica Sinica, 1994, (6).
[1]黄永红,毛士艺.星载合成孔径雷达多普勒参数估计[J].电子学报,1994(06):10-16. DOI：

黄永红, 毛士艺. Doppler Parameter Estimation for Spaceborne Synthetic Aperture Radar（SAR）[J]. Acta Electronica Sinica, 1994, (6). DOI：

摘要

本文给出了一种综合的星载合成孔经ＳＡＲ雷达多普勒参数估计方法，该方法可以从雷达回波数据本身提取多普勒参数进行成像处理，甚至可以不依赖卫星星历数据和姿态数据作为初始估计量，该方法是基于对多普勒参数及其误差的性质的研究而提出的。最后，利用ＳＥＡＳＡＴ－Ａ海洋卫星的ＳＡＲ原始数据的多普勒参数估计结果和采用该参数进行成像处理的结果，验证了该方法的可行性和有效性。

Abstract

In this paper

a comprehensive method of estimation of Doppler Centroid and Doppler Frequency rate for spaceborne SAR are demonstratde. This method can provide Doppler parameters automatically in the case of lacking data of satellite ephemeris and satellite attitude. This method is proposed based on the properties of Doppler parameters and estimation error of Doppler parameters.Finally

the raw data of Ocean satellite SEASAT-A are used to test effectiveness and feasibility of this method. The results of imaging with raw data are presented to verify the validity of the approach.

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