The Analysis of Baseline in Spaceborne Interferometric SAR

XU Hua-ping; ZHOU Yin-qing; LI Chun-sheng

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The Analysis of Baseline in Spaceborne Interferometric SAR

更新时间：2025-07-16

- The Analysis of Baseline in Spaceborne Interferometric SAR
- Acta Electronica Sinica Vol. 31, Issue 3, Pages: 437-439(2003)
- 作者机构：
  
  北京航空航天大学电子工程系,北京,100083
- 作者简介：
- 基金信息：
- DOI：
  CLC： TN959
- Published：2003
- 稿件说明：
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XU Hua-ping, ZHOU Yin-qing, LI Chun-sheng. The Analysis of Baseline in Spaceborne Interferometric SAR[J]. Acta Electronica Sinica, 2003, 31(3): 437-439.
DOI：

XU Hua-ping, ZHOU Yin-qing, LI Chun-sheng. The Analysis of Baseline in Spaceborne Interferometric SAR[J]. Acta Electronica Sinica, 2003, 31(3): 437-439. DOI：

摘要

基线在星载干涉SAR的系统设计和数据处理中起着非常重要的作用.本文比较全面地阐述了空间基线在星载干涉SAR中的作用.特别分析了星载干涉SAR中空间基线对SAR图像相关性、地距分辨率以及干涉SAR数据处理中的距离向平地效应和多视平均处理的影响.讨论了星载干涉SAR空间基线的设计问题

推导了空间最优基线的确定公式.最后进行了计算机仿真

仿真结果表明分析正确.

Abstract

Two-pass spaceborne interferometric SAR is used to produce three-dimensional terrain map by estimating the unwrapped interferometric phase and transferring the phase into terrain height.Baseline is very important for spaceborne interferometric SAR system design and data processing.In this paper

spatial baseline in spaceborne interferometric SAR was analyzed in many aspects.The statistical correlation between two SAR images from different satellite passes was presented.Influences of baseline on range flat ground frequency and multilook processing were discussed.The equation to determine the optimal spatial baseline was deduced.Finally

the results of computer simulating were presented to testify the correction of analysis.

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