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Getting aliasing when I denoise a signal with wavedec, wthresh and waverec

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Andrä Carotta
Andrä Carotta 2020-5-4
I use the this example: https://de.mathworks.com/help/wavelet/examples/wavelet-interval-dependent-denoising.html
to denoise a signal. My problem is that when I create the denoised signal with "waverec" I have aliasing in my signal.
I think this happens because of the downsampling during "wavedec". Can you guys offer a solution for my problem?
Is there maybe any possibility to use wavedec without downsampling?

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