The present method for noise reduction with wavelet transform is based on the thresholding method and threshold selection will depend on the estimation of the noise standard deviation.
目前的小波去噪绝大多数都是基于阈值决策的方法，而阈值选择往往都是建立在对信号小波变换系数的方差估计上。
The method in provement is based on energy estimate, scaling transform, and selection of initial values.
证明方法是基于能量估计和尺规变换，并选择适当的初值。
Transform it slightly with the Direct Selection Tool (a) by selecting the points and handles and dragging it around until the shape is a little bigger than the paper shape.
它稍微变换与直接选择工具(一)选择点，并处理和拖动它靠近，直到形状是一个小大于文件的形状。
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