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Ctfrrsp

Reassigned Spectrogram

Calling Sequence

[SP,SP_reas,FIELD] = Ctfrrsp(X)
[SP,SP_reas,FIELD] = Ctfrrsp(X, T)
[SP,SP_reas,FIELD] = Ctfrrsp(X, T, N)
[SP,SP_reas,FIELD] = Ctfrrsp(X, T, N, H)

Parameters

X :

Analyzed signal

T :

the time instant(s) (default : 1:length(X)).

N :

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

H :

frequency smoothing window, (default : Hamming(N/4)).

SP_reas :

Reassigned spectrogram

SP :

Spectrogram (not reassigned)

FIELD :

Field of reassignment vectors

Description

Computes the reassigned spectrogram, the spectrogram and the field of reassignment vectors

Examples

[SP,SP_reas] = Ctfrrsp(hilbert(sin(2*%pi*0.25*(1:128)))+0.5*rand(1,128,'normal'));
grayplot(1:128,1:128,SP_reas');

See also

Authors


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