Keywords: ReconstructFilter.png Ideal brick-wall reconstruction filter in Nyquist-Shannon sampling and reconstuction theorem H f passes the original baseband signal and eliminates the images or the dirac impulse sampled signal this recovering the original signal from the samples Created by Robert Bristow-Johnson for use in Wikipedia commons No Rights Reserved graph Check categories 2008 November 23 en wikipedia Nyquist “Shannon_sampling_theorem Information Communication engineering Harmonic analysis Digital signal processing Nyquist Shannon theorem |