Changli Li
ABSTRACT
The technology of detecting micro-motion targets in SAR provides a powerful theoretical basis for improving the ability of detecting micro-motion targets and fully obtaining the information of the ground moving target. Target micro-motion conveys features and information which are favorable for understanding SAR image. It is an important basis for target recognition. Due to the detection performance of DPCA affected by noise, The paper proposed a vibration target detection method based on Hough transform and DPCA using Hough transform to noise not focusing. Aiming at the problem that the amplitude of DPCA cancellation affects the estimation of signal phase accurately and the estimation of parameters is not accurate, FFT is used to estimate the amplitude and frequency parameters of the micro motion target.
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