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Electrical Engineering
Calculating Convolution Sum for Digital Signal Processing Class
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[QUOTE="whoohm, post: 6258517, member: 667838"] Note that you are doing a discrete-time convolution. Try plotting (e.g., a stem plot) just the two step functions (i.e., u[n]). Look at them visually. One is reversed and the other is time shifted. Then decide which one you will reverse (i.e., flip) for the convolution operation. Do it, and look again visually. That will tell you the summation range that is relevant. Plug everything into the discrete-time convolution equation and evaluate. It is important to realize that step functions are used to limit the summation range for discrete convolutions and transforms. Have fun! Edit - you will also need some useful expressions. See slide 2 of [URL='http://www.astro.rug.nl/~vdhulst/SignalProcessing/Hoorcolleges/college03.pdf']HERE[/URL] [/QUOTE]
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Calculating Convolution Sum for Digital Signal Processing Class
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