Dermination of the period of a signal

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Franck Joel Simo 2019-5-9

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https://ww2.mathworks.cn/matlabcentral/answers/461093-dermination-of-the-period-of-a-signal

评论： Jan 2019-5-10

Hallo everyone, i would like to find the period of a signal whose the frequency changes over the time. I have an idea how to do it. By measuring the time corresponding to two consecutives peaks values of the signal. the difference of the both times correspond to the period. I want to implement it in Simulink, not in Matlab. i dont know which block i should use. any idea?? it is very urgent!!

Thanks in Advance

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Franck Joel Simo 2019-5-9

signal.jpg

i have attached above one example of a signal whose the frequency changes over time.

Jan 2019-5-10

Then what is the wanted output for this input? Can you mark the zones manually, because it is 1 data set only, or do you need an automatic separation, because you have to process thousands of signals?

Do you see it? There is a high correlation between questions containing the term "urgent" and the demand for questions for clarifications, which take at least several days.

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