Size problem after filtering

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I have filtered my signal of size (n), with a filter of size (NFFT). After filtering, my new signal have a length of NFFT. Is it possible to recover the initial length (by downsampling or resampling) ?
Thank you,

Accepted Answer

Thomas Koelen
Thomas Koelen on 11 May 2015
Edited: Thomas Koelen on 11 May 2015
This happens because it only samples at the size of the NFFT. You could resample your data with the

More Answers (1)

Anonyme Anonyme
Anonyme Anonyme on 11 May 2015
I will try by this method.

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