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用Matlab编写的小波去噪
估计对大家有用，喜欢的就下载吧-Prepared using Matlab wavelet denoising estimated useful for all of us, like on the download bar
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SPEECH ENHANCEMENT BASED ON WAVELET DENOISING
Abstract: - Noise is an unwanted and inevitable interference in any form of communication. It is
non-informative and plays the role of sucking the intelligence of the original signal. Any kind of
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这是一个改进小波变换算法，实验证实有效减少相干斑噪声-This is an improved wavelet transform algorithm, the experiment proved to be effective to reduce speckle noise
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THIS MATLAB CODE REDUCE THE SPECKLE NOISE IN SAR IMAGE, IT USE WAVELET FILTER THEN USED CASCADE THREE FILTERS IN TIME DOMAIN
(HYBRID TIME AND FREQUENCY DOMAIN).
THIS CODE NEED SOME MODIFICATIONS SINCE THERE ARE SOME PROBLEMS LIKE BY COMPUTE PSNR
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将信号映射到小波域，根据噪声和噪声的小波系数在不同尺度上具有不同的性质和机理，对含噪信号的小波系数进行处理。实质是减少剔除噪声产生的小波系数，最大限度的保留真实信号的系数。 -Will be mapped to the signal wavelet domain, according to noise and noise of wavelet coefficients in different scales with different properties and mechanism of s
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对含有噪声滚动轴承振动信号做小波降噪，得到降噪后的波形-Waveform contains noise vibration signals do wavelet noise reduction, reduce noise after
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利用小波变换来降低信号中的噪声，通过仿真可以得出结果(Wavelet transform is used to reduce the noise in the signal)
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