DSP-ln

Not just a blog, a DSPlog (naturally)

Posts

The following posts are Colaboratory notebooks that open in a new window
Aliasing
Developing an intuitive understanding of what happens when Nyquist gets mad
FFT Interpolation
A dead-simple method to perform band-limited interpolation using the FFT and IFFT algorithms
Non-ideal filtering
This is not the low-pass filter you're looking for ... a guide to understanding why multiplying by zeros in the frequency domain may not do what you expect