why does MATLAB spectrum give different fourier coefficients

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Derek Eccles on 16 Jan 2015

Closed: MATLAB Answer Bot on 20 Aug 2021

Please find attached :

1. Simulink model containing a periodic square generator and a spectrum analyser, configured to give a visual of the frequency spectrum.

2. My attempt to calculate the Fourier coefficients of periodic square wave.

3. Comparison of amplitudes of MATLAB spectra and calculated spectra.

Why the difference ?

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