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Consider the cascade of LTI discrete-time systems shown in figure.?

Consider the cascade of LTI discrete-time systems shown in figure.? The first system is described by the

Question:

Consider the cascade of LTI discrete-time systems shown in figure.?

The first system is described by the equation?

and the second system is described by the equation?

y[n] = w[n] ? w[n ? 1].?

The input to this system is

?x[n] = cos(0.6?n) + 3?[n ? 5] + 2.?

Determine the output y[n]. .with careful thought, you will be able to use the properties of LTI system to write down the answer by inspection.

Transcribed Image Text:

LTI system #1 LT! system # 2 w [n] x[n] y[n] Jw < 0.57. Hj(ej") = { 1, 0, 0.57 < lwl < n,

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First xn goes through a lowpass filter with cutoff frequency 0...View the full answer

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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 02:55 AM

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