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Frequency-domain Zero-padding Resampling (Interpolation)

version (1.9 KB) by Dr. Erol Kalkan, P.E.
Frequency domain (FFT-based) resampling of discrete-time signal


Updated 04 Sep 2016

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This function does the same as interpft of MatLAB, but it is much simpler and makes it easy to understand how the frequency domain zero padding (FDZP) resampling works.

Cite As

Dr. Erol Kalkan, P.E. (2020). Frequency-domain Zero-padding Resampling (Interpolation) (, MATLAB Central File Exchange. Retrieved .

Comments and Ratings (4)

You don't need to truncate the final array.

Jorge Caviedes

do you need to truncate to match the original sampling density like they indicate for interpft?

Marin Grubisic

Artyom Nikitin


Title has been updated.

Reference is corrected.

Reference is added.

Fig. is added

MATLAB Release Compatibility
Created with R2012b
Compatible with any release
Platform Compatibility
Windows macOS Linux