blackmanharris - Minimum 4-term Blackman-Harris window

Syntax

Description

w = blackmanharris(N) returns an N-point symmetric 4-term Blackman-Harris window in the column vector w. The window is minimum in the sense that its maximum sidelobes are minimized.

w = blackmanharris(N,SFLAG) uses SFLAG window sampling. SFLAG can be 'symmetric' or 'periodic'. The default is 'symmetric'. You can find the equations defining the symmetric and periodic windows in Definitions.

Examples

Create a 32-point symmetric Blackman-Harris window and display the result using WVTool:

N = 32;
wvtool(blackmanharris(N))

Definitions

The equation for the symmetric 4-term Blackman-harris window of length N is

The equation for the periodic 4-term Blackman-harris window of length N is

The periodic window is N-periodic.

The following table lists the coefficients:

Coefficient	Value
a0	0.35875
a1	0.48829
a2	0.14128
a3	0.01168

References

[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. 51-84.

See Also

barthannwin | bartlett | bohmanwin | nuttallwin | parzenwin | rectwin | triang | window | wintool | wvtool

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