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sample an unknown signal in matlab

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y.ettefagh

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Hi everyone, I hope to be helped as soon as possible...
I'd like to sample a signal in matlab which i dont know the time domain formula... i know the frequency domain one and i used ifft to obtain the time domain and i am chasing for a command which gives me sampled signal in my desired sampling frequency and i am sure this command exists... my original signal is a bandlimited signal and is basically analog, lets say a bandlimited differentiator...
anyone konws the solution please help me !
thanks in advance
 

Hi,

The description of your need is not completely clear to me, but what i see is that you have a signal with some sampling frequency and you need the samples at a different sampling frequency. In this case, the resample function will work.
Look at doc resample or help resample and Matlab will suggest you other related functions.
Regards

R
 

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