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Zero padding consists of extending a signal (or spectrum) with zeros to extend its time (or frequency band) limits.

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Why is my time domain interpolation via zero-padding in frequency domain wrong?

The answer above is correct. Just to clarify a bit further, using x = np.linspace(0,10,5) will produce 5 numbers from 0 to 10 inclusively np.linspace(0,10,5) array([ 0. , 2.5, 5. , 7.5, 10. ]) You …
Michael Gruner's user avatar