WelchWin: Welch (parabolic) window function

version (1.36 KB) by Andrew Davis
The function returns a parabolic window of length n. This is useful for spectral estimation.


Updated 9 Nov 2012

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WELCHWIN Welch (parabolic) window

w = welchwin(n) returns the n-point parabolic window

n: scalar window length

w: column vector of window values

t = (0:9)';
s = rand(1,10)';
n = length(s);
w = welchwin(n);
s2 = s.*w;
plot(t, s, 'ko', t, s2, 'r-')
legend('original data', 'windowed data')

See also: RECTWIN

Cite As

Andrew Davis (2022). WelchWin: Welch (parabolic) window function (https://www.mathworks.com/matlabcentral/fileexchange/38978-welchwin-welch-parabolic-window-function), MATLAB Central File Exchange. Retrieved .

MATLAB Release Compatibility
Created with R2012a
Compatible with any release
Platform Compatibility
Windows macOS Linux

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