This paper presents software package FASRS which is developed in MATLAB and is meant for use as an interactive learning tool for the bases of Fourier analysis of stationary random signals. Two main approaches are demonstrated. One approach, which is referred to as Periodogram method is based on direct Fourier transformation of signal. The second approach, Autocorrelation method, is based on the Fourier transform of the estimation of the autocovariance sequence of the signal.
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