Normalized leakage LMS self-adaptive mobile target detector based on FRFT
A normalized and moving target technology, applied in the field of radar signal processing and detection, can solve the problems of limiting the application of FRFT domain moving target detection methods, the algorithm cannot effectively converge, and the increase of filter lag error, so as to suppress sea clutter , good discrimination ability, fast convergence effect
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[0020] The present invention will be described in further detail below in conjunction with the accompanying drawings. With reference to the accompanying drawings in the description, the specific implementation of the present invention is divided into the following steps:
[0021] (1) After the echo signal of the radar antenna is amplified and mixed, it is sent to the storage device 1 for preprocessing, so as to obtain the N-dimensional input signal vector x(n)=[x(n) formed by N sampling points at n time )=[(n-1),...,x(n-N+1)] T .
[0022] (2) The calculation device 2 receives the input signal vector x(n) of the storage device 1, and uses the FRFT decomposition algorithm proposed by H.M.Ozaktas et al. to complete the discrete fractional Fourier transform (DFRFT) under different transformation orders, based on the following formula
[0023] X p ( m 2 Δx ...
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