Lecture #6 Chapter 4
Sampling • We can obtain a discrete-time signal by sampling a continuous-time signal at equally spaced time instants, t n = nT s x[n] = x(nT s) -∞< n < ∞ • The individual values x[n] are called the samples of the continuous time signal, x(t). • The fixed time interval between samples, T s, is also expressed in terms of a sampling rate f
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