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three_denosie
- 实现三种经典的阈值去噪算法,包括全局阈值，hersure阈值，minimaxi阈值，及比尔热马萨特阈值。-to realize three methods of threshold-denoising
Wavelet_transform
- 将信号用小波函数SYM5分解到第5层，用minimaxi阈值选择对系数进行处理，消除噪声-SYM5 decomposition using the wavelet function signals to the fifth floor, use minimaxi threshold choice to deal with coefficient, eliminate noise
quzaochengxu
- 对信号进行快速FFT变换,绘制原始信号序列. 小波去噪,将信号用小波函数SYM5分解到第5层，用minimaxi阈值选择对系数进行处理，消除噪声.-The signal fast FFT transform, to draw the original signal sequence denoising the signal decomposition wavelet function SYM5 to the 5th floor, the choice of coefficients trea
soft
- 针对提出的故障信号，利用awgn加噪，对其进行小波软硬阈值降噪，提出一种改进阈值，利用五种自适应阈值函数sqtwolog、rigrsure、heursure、minimaxi和ddencmp中阈值选取原则，对软阈值、硬阈值和改进阈值进行降噪效果对比。(In view of the proposed fault signal, the wavelet soft and hard threshold de-noising is carried out by AWGN adding noise, an
信号去噪
- matlab产生高斯白噪与阈值信号处理（heursure、rigrsure、sqtwolog、minimaxi阈值信号处理等）(Gaussian white noise generated by MATLAB and threshold signal processing)