Clutter intensity divided self-adaptive dynamic target detection
A moving target detection and adaptive technology, applied in the field of target detection, can solve the problems of loss, influence Doppler calculation, response difference and so on
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[0039] Now in conjunction with embodiment, accompanying drawing, the present invention will be further described:
[0040] step one:
[0041] For pulse Doppler radar echo data of M times in a coherent processing interval, data arrangement is performed to obtain rearrangement data S cp , the S cp Contains M rows and N columns of data, M is the number of echoes, and N is the number of distance units; the M is the nth power of 2;
[0042] Step two:
[0043] Step 1: For data S cp , take the column as the unit, use M-point FFT to process, and calculate the modulus value, and obtain the range-Doppler plane data X of the auxiliary channel f ; the X f Contains M d xN data, M d is the Doppler channel, which is equal to the number of echoes M in value; select Doppler channels 1, 2, 3, 4, M d -2, M d -1, M d As the ground clutter channel, the remaining Doppler channel is the meteorological clutter channel;
[0044] Step 2:
[0045] Select the maximum value of the ground clutter...
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