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

版本 1.0.1 (16.2 KB) 作者: 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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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

引用格式

Ashutosh Rout (2025). Power Spectral Density of a sequence x(n)using N-point DFT (https://ww2.mathworks.cn/matlabcentral/fileexchange/68883-power-spectral-density-of-a-sequence-x-n-using-n-point-dft), MATLAB Central File Exchange. 检索时间: .

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版本 已发布 发行说明
1.0.1

More generalised program using N-point DFT.
1.0.0