signal denoising using wavelet transform

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how do i use wavelet transform in denoising the signal also how i calculate psd? help me. thanks in advance

Accepted Answer

Wayne King
Wayne King on 1 Nov 2011
See the help for wden() to implement denoising using the orthogonal discrete wavelet transform.
See the help for spectrum.periodogram to see how to compute a PSD estimate.
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Wayne King
Wayne King on 1 Nov 2011
By the way, beginning with R2011b, you can use the interactive tool, wavemenu, and generate MATLAB code for wavelet denoising.

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