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w = tukeywin(L,r)
w = tukeywin(L,r) returns
an L-point, Tukey window in column vector w.
Tukey windows are cosine-tapered windows. r is
the ratio of taper to constant sections and is between 0 and 1.
is a rectwin window and
is a hann window. The default value for r is
0.5.
Compute 128-point Tukey windows with five different tapers and display the results using WVTool:
L=128; t0=tukeywin(L,0); % Equivalent to rectangular window t25=tukeywin(L,0.25); t5=tukeywin(L); % r=0.5 t75=tukeywin(L,0.75); t1=tukeywin(L,1); % Equivalent to Hann window wvtool(t0,t25,t5,t75,t1)

The equation for computing the coefficients of a Tukey window is

The window length is
.
[1] Harris, F. J. "On the Use of Windows for Harmonic Analysis with the Discrete Fourier Transform." Proceedings of the IEEE. Vol. 66 (January 1978). pp. 66-67.
chebwin, gausswin, kaiser, window, wintool, wvtool
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