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Link download full: Solutions Manual Digital and Analog Communication
Systems 8th Edition – Answer and Script
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communication-systems-8th-edition-answer-and-script/
LET p--The probability for sending a binary 1, then the probability for sending a binary 0 is ( l-p). From the entropy formula for H(p), we can draw the figure of R(p) ,and from this figure , we can find the maximum entropy and the p.
R(p)=(p*ln(P)+(1-p)*ln(1-p»j(-ln(2»
k := 0 •• 50 P k
:= k - 50
HMAX := 1
h k
-1 :=-
In(2)
2
h ,HMAX I------+-----:=--+----=====--+------i k
o o P 1
k From the .above figure, we know the maximum entropy is 1 where the probability for sending 1 or 0 is 0.5.
INSTRUCTOR SOLUTIONS MANUAL
) United States Edition (
Digital & Analog Comm. Systems
8 th Edition, L. W. Couch, II