A method of estimating Doppler Centroid of spaceborne SAR with the spectrum nalysis of noise model is proposed in this paper,and its performance is compared with traditional ones using the Seasat A real echo data.

• 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。