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How do I taper signals in the time domain?

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Moasis3141
Moasis3141 2018-3-3
评论： Moasis3141 2018-3-3
I have some wavelets (left hand panels, attached) and I need to zero in the signal on both sides of the wavelet. I have tried to use the Gausswin function and for the top wavelet, it's worked really well but the bottom wavelet seems to be changed, the RHS of the wavelet looks amplified. I am guessing this is because the wavelet in the bottom panel isn't in the centre of the graph? The code I have used is:
if true
y_filter.*gausswin(length(y_filter))
y_filtfilt.*gausswin(length(y_filtfilt))
end
How do I change the filter so it just zeros out the edges of the wavelet?

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