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遥感学报  2002 

Multi-temporal Interferometric SAR Data Fusion Based on Wavelet
小波域多时相干涉SAR数据融合

Keywords: interferometric SAR,digital elevation model,atmospheric effects,weighted combination wavelet trans-form,accuracy
数据融合
,数字高程模型,大气因素,权重,小波变换,精度,干涉雷达

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Abstract:

Interferogram images derived from spaceborne synthetic aperture radar system exhibit artifacts due to noise and atmospheric effects,which may mitigate the accuracy of the result DEM. In this paper,we present a method to combine uncorrelated topographic profiles generated by multi-temporal interferometric SAR data,this weighted combination is carried out in wavelet domain, which estimates the distortion power,of noise and atmosphere and improves the accuracy of final DEM with interferofram images of Shangyi area, Hebei province as test data.

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