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自适应的改进Goldstein干涉相位图滤波算法

严卫东,倪维平,赵亦工,芦颖,吴俊政

Xi'an Dianzi Keji Daxue Xuebao/Journal of Xidian University（2010）

Cited 4|Views14
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Abstract
在Goldstein的合成孔径雷达干涉测量干涉相位图滤波算法基础上,构造了一种自适应的域加权系数来取代原先人工设定的经验值,并以局部相干系数计算其幂指数,解决了原算法在面对复杂干涉条纹图时,由于均采用一致性处理而导致的过滤波和欠滤波问题.仿真数据和实际ERS数据处理结果表明,改进算法在显著降低干涉相位噪声的同时,也很好地保持了相位分辨率.
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Key words
Goldstein algorithm,spectrum weight function,auto-adaptive filtering,interferometic synthetic aperture radar,remote sensing
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