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Problem with FFT and IFFT

Question asked by Krishnamangegowda on Jul 19, 2011
Latest reply on Jul 21, 2011 by CraigG

Hello,

I have attached the test file that I have used to check the error introduced by the FFT.

If I take the abosulte value between input and ifft output, the difference seems to large and this is not acceptable for our application.

The difference increases with the level of the input signal.

Is this the expected behaviour or am I missing something here?

 

Please get back to me asap, it is kind of urgent.

 

Thanks,

Krishna.

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