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Why is there a difference between MATLAB's FFT of a zero-padded signal compared to the non-padded case - Signal Processing Stack Exchange

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I created a data signal and calculated the spectrum via the fft-command in MATLAB. The data-signal itself is not periodic but it is created in a way that it can be treated as one period of a periodic

Effects of zero-padding the DFT. Left: the DFT of 16 samples of a

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signals/Tutorials/Signals - Frequency Analysis.ipynb at master

dft - FFT of 2 sine tones using windowing and zero padding. Wrong

FFT padding to power of 2 - Signal Processing Stack Exchange

Three comparative analyses. A. Zero-padding. A fast Fourier

Signals - Frequency Analysis

Zero Padding Mathematics of the DFT

How to Interpolate in the Time-Domain by Zero-Padding in the

Signals - Frequency Analysis

Zero-Padding of FFTs