Joint fractal-based method for detecting small target under sea clutter background
A small target detection and sea clutter technology, applied in radio wave measurement systems, instruments, etc., can solve the problems that the chaotic characteristics of sea clutter have not been fully verified theoretically, and the prediction model does not have ergodicity, etc., and achieve high detection probability Effect
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[0019] Step 1 takes the echo data of the fully coherent radar as input, recorded as x(i)i=1,2,...,N (N is the length of the input echo data, generally 2 15 ), subtract the average value from x(i), calculate the local sum, and establish a new sequence.
[0020] Y ( i ) = Σ k = 1 i [ x ( k ) - x > ] , ( i = 1,2 , · · · , N ) - - - ( 1 )
[0021] Where is the mean value of the input echo data.
[0022] Step 2 Divide the new sequence Y(i) into N of length m m =int(...
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