Questions tagged [smoothing]

Smoothing a signal or data set approximates the data to reveal patterns and exclude noise, fine-scale structure and rapid changing phenomina.

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Computationally 'lightweight' smoothing in realtime

I have a pitch tracker that can be quite unsmooth in its output (in Hz). A Savitzky-Golay filter has been good at smoothing but it looks like it adds a lot of multiplies on top of the already intensive O(N^2) multiplies from the autocorrelator doing…
panthyon
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Smoothing filters on levels of a time series versus discrete derivative

I have some mortgage data and I am trying to detect when a borrower refinances. To do so, I use a moving average filter to smooth my data and then I run a Bai and Perron (1998) structural break test on the borrowers monthly payments. I am wondering…
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How i can smooth a sinusoidal signal using it's local maximum

I have a signal that it is like a Sinusoidal signal with many local maximum, I want to smooth this signal with almost connecting it's local maximum to each other.
Omid
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How to obtain round peaks instead of triangular peaks when smoothing an input?

I have a signal (in blue) that I would like to smooth out (in red, moving average). I would like to get red peaks to look more round than triangular and at the same time their width would become closer to the original ones. Do you know / can you…
Eric Cartman
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