Laser radar signal processing method based on wavelet entropy threshold value and modulus maximum value method
A mode maxima, lidar technology, used in radio wave measurement systems, instruments, etc., to achieve the effect of accurate signal reconstruction
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[0031] The present invention will be described in further detail below.
[0032] A laser radar signal processing method based on threshold denoising based on wavelet entropy and modulus maximum method, the specific implementation method is as follows:
[0033] (1) Using discrete dyadic wavelet transform, the laser radar signal is decomposed by multi-scale wavelet with the number of layers J.
[0034] For a signal f(t)∈L 2 The binary wavelet transform coefficients of (R) are:
[0035] WT 2 j ( τ ) = f ( t ) * ψ 2 j , τ ( t ) = 2 - j 2 ...
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