How to generate AWGN with correct PSD on MATLAB
Автор: Igor Freire
Загружено: 2013-12-13
Просмотров: 18023
Описание:
This video explains how to generate the additive white Gaussian noise (AWGN) with a given power spectral density (PSD). First, given the PSD, the total power of the noise is calculated. Then, the time-domain noise is generated. Finally, the PSD of the discrete sequence is estimated using the FFT.
Expected background:
Basics of stochastic process: expected value, mean, variance, total power of a random process
Discrete Fourier Transform (DFT)
DFT frequency spacing
Power spectral density
The script is available at the GitHub repository:
https://github.com/igorauad/awgn_matlab
Shortcut to download the script:
https://github.com/igorauad/awgn_matl...
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