The sequence x n cos ( 4 n) n was obtained by sampling a continuous time signal x c (t) cos ( 0 t) t , at a sampling rate of 1000 samples s, what are two possible positive values of 0 that could have resulted in the sequence x n ...

The discretetime sequence Resu ...

The sequence x[n] = cos (/4 n). < n < was obtained by sampling a

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The sequence

x[n] = cos (π/4 n). −∞ < n < ∞

was obtained by sampling a continuous-time signal

x_c(t) = cos (Ω₀t). −∞ < t < ∞,

at a sampling rate of 1000 samples/s, what are two possible positive values of Ω₀ that could have resulted in the sequence x[n]?

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Discrete Time Signal Processing

ISBN: 978-0137549207

2nd Edition

Authors: Alan V. Oppenheim, Rolan W. Schafer

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Question Posted: May 26, 2011 02:56 AM

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The sequence x[n] = cos (/4 n). < n < was obtained by sampling a

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Discrete Time Signal Processing

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