By analyzing the mathematical characteristics of the hard threshold function and investigating its denoising process to the power quality disturbance signal, it is known that the hard threshold function can be used to denoise the power quality disturbance signal. The algorithm only removes and preserves the wavelet coefficients simply, and it is easy to remove the mutation points while suppressing the noise. Finally, the disturbance location failure is not conducive to the analysis of the type of grid failure and the starting and ending time.

Filename	Size	Update
新的小波去噪程序-2017.6.14	0	2018-09-06
新的小波去噪程序-2017.6.14\%%%各层细节系数和近似系数.m	3361	2017-06-13
新的小波去噪程序-2017.6.14\352.m	4288	2017-05-27
新的小波去噪程序-2017.6.14\quzao.m	1648	2017-06-14
新的小波去噪程序-2017.6.14\quzao_1.m	739	2017-06-13
新的小波去噪程序-2017.6.14\sag_quzao.m	4284	2017-06-14
新的小波去噪程序-2017.6.14\yanzheng.m	6225	2017-06-13
新的小波去噪程序-2017.6.14\yanzheng_gai_1.m	7177	2017-06-14
新的小波去噪程序-2017.6.14\yanzheng_gai_2.m	7117	2017-06-14

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