Micro-motion target scattering point track association method based on distance-instant Doppler image
A micro-moving target and Doppler imaging technology, applied in the field of signal processing, can solve the problems of high algorithm complexity and poor correlation effect.
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[0056] The present invention will be described in further detail below in conjunction with the accompanying drawings.
[0057] Attached below figure 1 , to further describe in detail the specific embodiments of the present invention.
[0058] Step 1, receiving the inverse synthetic aperture radar echo of the micro-moving target.
[0059] Step 2, inverse SAR echo preprocessing.
[0060] The distance from the inverse synthetic aperture radar to the center of the scene is used as the reference distance, and the chirp signal with the same carrier frequency and modulation frequency as the transmitted signal of the inverse synthetic aperture radar and the distance as the reference distance is used as the reference signal, where the reference signal is as follows:
[0061] S ( t ^ , t m ) = r e c ...
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