Let r[n] be a sequence such that X(w) is real and nonzero for all w. Let yn] = x[n-1] and zln) = r|n-2]. Show that Y (w) and Z(w) cannot be real except at certain frequencies w that you have to specify.
Let r[n] be a sequence such that X(w) is real and nonzero for all w. Let yn] = x[n-1] and zln) = r|n-2]. Show that Y (w) and Z(w) cannot be real except at certain frequencies w that you have to specify.
Introductory Circuit Analysis (13th Edition)
13th Edition
ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
Chapter1: Introduction
Section: Chapter Questions
Problem 1P: Visit your local library (at school or home) and describe the extent to which it provides literature...
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![Let xn] be a sequence such that X(w) is real and nonzero for all w. Let y[n] = xn-1 and
z/n] = x[n-2]. Show that Y (w) and Z(w) cannot be real except at certain frequencies w that
you have to specify.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F50070ce1-6090-4114-8016-03310776fe88%2Fe98de9e5-52e1-47ee-8110-31a8901d63e3%2Fz3dnikq_processed.jpeg&w=3840&q=75)
Transcribed Image Text:Let xn] be a sequence such that X(w) is real and nonzero for all w. Let y[n] = xn-1 and
z/n] = x[n-2]. Show that Y (w) and Z(w) cannot be real except at certain frequencies w that
you have to specify.
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