I've two signals, from which I expect that one is responding on the other, but with a certain phase shift. Now I would like to calculate the coherence or the normalized cross spectral density to ...

I have a dataset with the number of hourly visits an animal made during a period of 12 months. I want to use the Fast Fourier Transform to examine cyclical patterns and periodicity. In the past, I ...

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 I'm using the DoubleFFT_1D funct...

I'm using Jtransforms java library to perform analysis on a give dataset. An example of the data is as follows: 980,988,1160,1080,928,1068,1156,1152,1176,1264 I'm using the DoubleFFT_1D fun...

I'm trying to write an implementation of Wilson's spectral density factorization algorithm [1] for Python. The algorithm iteratively factorizes a [QxQ] matrix function into its square root (it's so...