In view of the proposed fault signal, the wavelet soft and hard threshold de-noising is carried out by AWGN adding noise, and an improved threshold is proposed. The threshold selection principle of five adaptive threshold functions, sqtwolog, rigrsure, heursure, minimaxi and ddencmp, is used to compare the soft threshold, hard threshold and threshold value.

Filename	Size	Update
soft	0	2007-04-26
soft\den_gaijin.m	740	2007-04-26
soft\denh.m	589	2007-04-26
soft\dens.m	624	2007-04-26
soft\main.m	8067	2007-04-26
soft\MSE.m	189	2007-07-02
soft\PSNR.m	92	2007-04-26
soft\改进阈值函数的小波去噪.docx	218966	2007-04-26

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