autocorrelation of two signals

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farrokhiyan

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autocorrelation

dear freinds,

what is your evaluation from this autocorrelations of two signals. the important for me is the amplitude of the noisy samples between the repeated samples. neglecting the high amplitude repeated samples, can i suppose it a random signal?






what about this one?





Tnx in advance
 

Re: autocorrelation

I think the autocorrelation is periodic in one and two figures .
 

autocorrelation

Yeah, its periodic auto correlation, but the time shifted versions still have some correlation.

The sequence in fig 1 seems to have less of it as compared to the figure 2 sequence
 

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