Example image of eyePlorer eyePlorer map for 'Nyquist–Shannon sampling theorem': Information theory Signal processing Telecommunication Sampling (signal processing) Signal (electronics) Claude Shannon Hertz Analog signal Bandlimited Frequency Necessary and sufficient condition Aliasing Compressed sensing Bandwidth (signal processing) Energy (signal processing) Continuous signal Nyquist frequency Nyquist rate Discrete time Image Sampling rate Second Interpolation Sinc function Continuous function Whittaker–Shannon interpolation formula Digital-to-analog converter Dirac delta function Rectangular function Step function Zero-order hold Poisson summation formula Anti-aliasing filter Pixel Vector-valued function Image sensor Moiré pattern Downsampling Point spread function Anti-aliasing Low-pass filter Undersampling Dirac comb Single-sideband modulation Baseband Band-pass filter Sinc filter Harry Nyquist Karl Küpfmüller Trigonometric integral