距离向多孔径接收宽测绘带SAR三种成像算法比较

Comparison of three imaging algorithms for multi-aperture wide swath synthetic aperture radar (MAWS SAR)

文章扼要阐述了距离向多孔径接收宽测绘带合成孔径雷达(multi aperture wide swathSyntheticApertureRadar,MAWS SAR)的基本原理,比较了三种距离向多 孔径接收宽测绘带SAR的成像算法A、B、C。算法A是先从混叠信号中分离出每个子 测绘带各自的回波信号,再作距离向压缩;算法B是先作距离向压缩,再分离出每个子 测绘带各自的回波信号;算法C与算法A基本相似,只是分离信号时用了特别定义的 权矩阵。文章对这三种成像算法进行了具体研究,并进而
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This paper briefly addresses the basic principle of multi aperture wide swath synthetic aperture radar (MAWS SAR) and presents three imaging algorithms of MAWS SAR (namely A、 B and C, respectively). The algorithm A first obtains return signal for each swath from the hybrid signal, then compresses signal in the range direction. The algorithm B first compresses signal in the range direction, then obtains return signal for each swath from the hybrid signal. The algorithm C is similar to algorithm A, only difference between them is to use different weighted matrix for separating return signals. These imaging algorithms are compared and some conclusions are obtained.