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Power Spectral Density of a sequence x(n)using N-point DFT

version 1.0.1 (16.2 KB) by Ashutosh Rout
The power spectral density (PSD) of the signal describes the power present in the signal as a function of frequency, per unit frequency.

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Updated 23 Sep 2018

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Enter the sequence x(n):
[1 2 2 1]
Enter the value of N
4

PSD =

9.0000 0.5000 0.0000 0.5000

Enter the sequence x(n):
[1 2 2 1]
Enter the value of N
8

PSD =

4.5000 2.4874 0.2500 0.0126 0.0000 0.0126 0.2500 2.4874

Cite As

Ashutosh Rout (2021). Power Spectral Density of a sequence x(n)using N-point DFT (https://www.mathworks.com/matlabcentral/fileexchange/68883-power-spectral-density-of-a-sequence-x-n-using-n-point-dft), MATLAB Central File Exchange. Retrieved .

MATLAB Release Compatibility
Created with R2016a
Compatible with any release
Platform Compatibility
Windows macOS Linux
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