e1071 (version 1.7-3)

hamming.window: Computes the Coefficients of a Hamming Window.

Description

The filter coefficients \(w_i\) of a Hamming window of length n are computed according to the formula $$w_i = 0.54 - 0.46 \cos\frac{2\pi i}{n-1}$$

Usage

hamming.window(n)

Arguments

n

The length of the window.

Value

A vector containing the filter coefficients.

References

For a definition of the Hamming window, see for example Alan V. Oppenheim and Roland W. Schafer: "Discrete-Time Signal Processing", Prentice-Hall, 1989.

See Also

stft, hanning.window

Examples

# NOT RUN {
hamming.window(10)

x<-rnorm(500)
y<-stft(x, wtype="hamming.window")
plot(y)
# }

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