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本文提出了采用噪声模型的谱分析来估计合成孔径雷达的多普勒质心的方法，并用Ｓｅａｓａｔ－Ａ回波数据对该方法与传统方法的估计性能进行了比较。
This paper presents a method to estimate the Doppler centroid of synthetic aperture radar by using spectral analysis of noise model, and compares the performance of this method with the traditional method by using Seasat-A echo data.