A continuous-time signal X(t) is known to be uniquely recoverable from its samples X(nTs) when Ts = 1 ms. What is the highest frequency in X(f)?
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This highest frequency is known as the Nyquist frequency. Show more…
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(SUBJECT: DIGITAL SIGNAL PROCESSING) A continuous - time analog signal is represented by x(t)= cos(2000πt). This signal is sampled at different sampling frequencies with the first sample taken at t=0. Sketch the sampled signal for 0 ≤ t ≤ 4 ms if the sampling frequency is 1Hz.
x(t) is a band-limited signal with bandwidth B=3000 rad/sec. Its spectrum is assumed to have a square shape with unity amplitude. We sample x(t) at a rate of one sample every Ts second.
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