ECE 6601 Random Process Fall 2004
Exam 1 1:35-2:55 9/23/04
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1. (25pts) A ternary communication channel is given below. Assume that the input symbols
111
, , , respectively. Given =
b) Necessary & Sufficient Condition
E (X(t) = E ( A Cos 2ft ) = m Cos2ft
which is not a constant.
X(t) is not WSS and consequently cannot be mean-ergodic.
ECE6601 - HW#5 Solution
Eric Wong, Richelle Adams and Matthew Kontz
October 21, 2004
Hajek 4.1
A sinusoidal random process
Let Xt = Acos(2V t + ) where the amplitude A has mean 2 and variance 4, the frequency
V in Hertz is uniform on [0, 5], and the phase
ECE 6601 Random Processes Fall 2004
Homework 4 due 10/7/04
Submitted By: David Bauer, Lisa Moyer, Eric Cho
Additional Problem by: Shilo Ayalon
An additional Problem:
Let X R m be an unobservable random vector, and Y R n be an observable random vectors.
(F