Torpedo fuze signal denoising is an important action to ensure reliable operation of fuze. Based on the good
characteristics of wavelet packet transform (WPT) in signal denoising, the paper used wavelet packet transform to
denoise the fuze signal under a complex background interference, and a simulation of the denoising results with Matlab
is performed. Simulation result shows that the WPT denoising method can effectively eliminate background noise exist
in torpedo fuze target signal with higher precision and less distortion, leading to advance the reliability of torpedo fuze
operation.
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