ECE 431 Digital Signal Processing Lecture Notes
analysis of temporal signals makes heavy use of the Fourier transform in one time variable and one frequency variable. Spatial signals require two independent variables. Analysis of such signals relies on the Fourier transform in two frequency variables (e.g. ECE 533). In ECE 431, we will restrict ourselves to temporal signal processing. 2
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ECE 431 Digital Signal Processing Lecture Notes
cobb.ece.wisc.eduDigital Signal Processing (DSP) is the application of a digital computer to modify an analog or digital signal. Typically, the signal beingprocessedis eithertemporal, spatial, orboth.
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