Revision as of 11:49, 19 February 2019 by Wan82 (Talk | contribs)


ECE Ph.D. Qualifying Exam

Communication Signal (CS)

Question 2: Signal Processing

August 2011 Problem 2


Solution

a)
Because $ x[-n]=x[n] $ $ y[-n]=y[n] $
$ r_{xy}[l]=x[l]\ast Y^{\ast}[-l]=x[-l]\ast Y^{\ast}[l]=Y[l]\ast x^{\ast}[-l]=r_{yx}[l] $


Back to QE CS question 2, August 2011

Back to ECE Qualifying Exams (QE) page

Alumni Liaison

Basic linear algebra uncovers and clarifies very important geometry and algebra.

Dr. Paul Garrett