rsleep (version 1.0.4)

pwelch: Power spectral density using Welch's method.

Description

Power spectral density using Welch's method.

Usage

pwelch(x, sRate, points = 0, overlap = 0, padding = 0)

Value

A raw periodogram dataframe.

Arguments

x

Signal vector.

sRate

Sample rate of the signal.

points

Number of samples.

overlap

Windows overlap.

padding

Windows padding.

References

Welch, P. “The Use of Fast Fourier Transform for the Estimation of Power Spectra: A Method Based on Time Averaging over Short, Modified Periodograms.” IEEE Transactions on Audio and Electroacoustics 15, no. 2 (June 1967): 70–73. https://doi.org/10.1109/TAU.1967.1161901.

Examples

x <- sin(c(1:10000))
psd <- pwelch(sin(c(1:10000)), 200)
head(psd)