Topics Covered: The two definitions of aliasing The need for an anti-aliasing filter Undersampling and oversampling So far as the theories of mathematics are about reality, they are not certain; ... Read more →
Professor Sampler’s Notes: Interpolation
Topics Covered: The Interpolation Formula Upsampling and Downsampling The interpolation error Filters - active and passive filters Low-pass, high-pass and band-pass filters When you can ... Read more →
Professor Sampler’s Notes: Reconstruction
Topics Covered: Reconstruction Definition of Interpolation The Nyquist-Raabe criterion Definition of Extrapolation The boxcar, rectangular and sinc functions One typical reconstruction ... Read more →