11 - Convolution
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why do we start from h0 instead of h1?
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in general, we index discrete-time signals from 0 to infinity. In other words, the beginning of a signal is indexed at 0 rather than 1. You can think of it as, 0 is the sample we are currently processing, negatively indexed samples are samples we have already processed, and positively indexed samples are sample we will process. (present, past, and future)
IllinoisDSP 2 months ago