Let x n denote a causal, complex valued sequence with Fourier transform X(e j ) X R (e j ) j X I (e j ) If X R (e j ) 1 cos() sin () sin(2), determine X I (e j ) ...

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Let x[n] denote a causal, complex-valued sequence with Fourier transform X(e j ) = X R (e

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Let x[n] denote a causal, complex-valued sequence with Fourier transform

X(e^jω) = X_R(e^jω) + j X_I(e^jω).

If X_R(e^jω) = 1 + cos(ω) + sin (ω) – sin(2ω), determine X_I(e^jω).

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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 02:57 AM

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Let x[n] denote a causal, complex-valued sequence with Fourier transform X(e j ) = X R (e

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Discrete Time Signal Processing

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