Radar slightly-moving target detection method based on Radon-linear canonical ambiguity function
A moving target detection and ambiguity function technology, applied in radio wave measurement systems, instruments, etc., can solve the problems of reducing the number of coherent accumulation pulses, reducing the coherent accumulation gain, and difficult problems, so as to increase the gain and suppress background clutter and noise, improving the effect of SCR/SNR
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[0024] In order to explain the distance migration and Doppler migration effect of the moving target involved in the present invention, a radar echo modulation model of the moving target is firstly given.
[0025] ●Translation target Doppler modulation model
[0026]In order to obtain high resolution and reduce the effective bandwidth, it is assumed that the coherent system radar transmits LFM signals
[0027] s ( t ) = rect ( t T p ) exp { j 2 π [ f c t + 1 2 kt 2 ] }
[0028] In the formula, rect ( u ) = ...
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