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Time Frequency Toolbox >> Time Frequency Toolbox > Frequency-Domain Processing > frpowerspec

frpowerspec

Computes the energy spectrum of the signal

Calling Sequence

[SP,F]=frpowerspec(X)
[SP,F]=frpowerspec(X,N)
[SP,F]=frpowerspec(X,N,H)
[SP,F]=frpowerspec(...,'plot')

Parameters

X :

signal (in time) to be analyzed.

N :

number of frequency bins (default : length(X)).

H :

analysis window, (default : Rect(length(X)).

'plot':

if one input parameter is 'plot', the window will be plotted

SP:

energy spectrum of the signal

F :

Normalized frequency vector

Examples

sig=fmlin(128,0.1,0.4);
frpowerspec(sig,'plot');

Authors

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