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干涉合成孔径雷达二维相位展开问题及其算法 被引量：4

Phase Ambiguity in Interferometric SAR and Two Dimensional Phase Unwrapping
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摘要 干涉合成孔径雷达 ( In SAR)主要用于获取高精度数字高程图和高精度的地表变化检测等领域 .相位模糊是干涉 SAR测量中的基本问题之一 .本文系统地分析了干涉 SAR相位模糊和二维相位展开的基本概念和基本原理 .将干涉 SAR二维相位展开作为约束最优化问题 ,分析和比较了二维相位展开各类算法的特点 。 Interferometric Synthetic Aperture Radar (InSAR) interferometry is an enormously promising technique in the generation of highly accurate elevation maps. Two Dimensional phase unwrapping used for removing the phase ambiguity is the essential part of InSAR data processing and terrain elevation reconstruction. The methods and algorithms of two dimensional phase unwrapping are analyzed in detail based on the mathematic framework of optimization with restrictive condition. In the end, some future projects are proposed.
作者 彭海良 云日升
机构地区 中国科学院电子学研究所
出处 《测试技术学报》 2003年第2期99-104,共6页 Journal of Test and Measurement Technology
基金 国家高技术研究发展计划 ( 863计划 )资助项目 ( No.2 0 0 1AA13 2 0 10 )
关键词 干涉合成孔径雷达 二维相位展开 相位模糊 残余点 质量图 多基线干涉 Interferometric Synthetic Aperture Radar integer phase ambiguity two dimensional unwrapping residues quality map multi baseline interferometry
分类号 TN958 [电子电信—信号与信息处理]
  • 相关文献

参考文献28

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二级参考文献8

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共引文献5

同被引文献27

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引证文献4

二级引证文献8

测试技术学报
2003年 第2期

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