Radar moving target detection method based on cognitive framework
A moving target detection and radar technology, applied in the field of moving target detection, can solve the problems of unsatisfactory detection performance in strong clutter areas, decline in detection performance, and limited number of estimated samples
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[0030] refer to figure 1 and figure 2 , the specific implementation steps of the present invention are as follows:
[0031] Step 1. Obtain the ground clutter component in the echo data through the zero-speed filter.
[0032] make x mip Indicates the echo data of the i-th azimuth angle p-th range unit in the m-th frame of the radar, where 1≤m≤m 0 , 1≤i≤I, 1≤p≤D, m 0 Indicates the current frame number, I indicates the number of radar azimuths in each frame, D indicates the number of distance units in each azimuth, h 0 Represents a zero-speed filter whose coefficients are all 1;
[0033] Obtain the ground clutter component y in the echo data through the zero-speed filter mip for: where T stands for transpose.
[0034] Step 2, generate the current frame m 0 clutter diagram.
[0035] According to the ground clutter component y of the i-th azimuth angle in the m-th frame and the p-th distance unit mip , get the current frame m 0 Estimated value of the interference leve...
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