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autocorrelation function calculated with numpy is not positive definite?
I am calculating an autocorrelation function of a signal using Numpy's FFT by first calculating the power spectrum. I believe that autocorrelation functions are positive definite. However, when I test...
tomerg
Votes: 0
Answers: 1
LMS beamforming Julia Programming
I have been trying to implement a simple LMS adaptive beamforming code. Since I don't have a Matlab license I decided to use Julia since they are quite similar. In order to get a basic code working I ...
Kristoffer Lindvall
Votes: 0
Answers: 1
Right method for finding 2-D Spatial Spectrum from CSD
I try to implement the spatial spectrum from the above equation (attached)
Where kX, kY are the grid points in k space,
C(w,r) - cross spectral densities between the i'th and j'th sensor(here it is a...
pluto
Votes: 0
Answers: 2
Output of fft.fft() for magnitude and phase (angle) not corresponding the the values set up
I set up a sine wave of a certain amplitude, frequency and phase, and tried recovering the amplitude and phase:
import numpy as np
import matplotlib.pyplot as plt
N = 1000 # Sample points
T = 1...
Antoni Parellada
Votes: 0
Answers: 1