Top "Spectral-density" questions

Fast Fourier Transform in R

I have a dataset with the number of hourly visits an animal made during a period of 12 months. I want …

r time-series fft period spectral-density
How to use the cross-spectral density to calculate the phase shift of two related signals

I've two signals, from which I expect that one is responding on the other, but with a certain phase shift. …

python matplotlib signal-processing cross-correlation spectral-density
on the use and understanding of pwelch in matlab

I'm using the pwelch method in matlab to compute the power spectra for some wind speed measurements. So, far I …

matlab spectral-density
Error: ggplot2 doesn't know how to deal with data of class matrix?

How can I make ggplot work with this data I tried normal plotting and it works just fine, but I …

r ggplot2 machine-learning data-visualization spectral-density
Power Spectral Density from jTransforms DoubleFFT_1D

I'm using Jtransforms java library to perform analysis on a given dataset. An example of the data is as follows: 980,988,1160,1080,928,1068,1156,1152,1176,1264 …

fft spectral-density