WelchWin: Welch (parabolic) window function

版本 1.0.0.0 (1.4 KB) 作者: Andrew Davis
The function returns a parabolic window of length n. This is useful for spectral estimation.
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更新时间 2012/11/9

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WELCHWIN Welch (parabolic) window

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

n: scalar window length

w: column vector of window values

Example:
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

引用格式

Andrew Davis (2024). WelchWin: Welch (parabolic) window function (https://www.mathworks.com/matlabcentral/fileexchange/38978-welchwin-welch-parabolic-window-function), MATLAB Central File Exchange. 检索时间: .

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版本 已发布 发行说明
1.0.0.0