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si=2*(roun​d(rand(1,s​bit))-1/2)​;

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aya
aya 2013-11-5
回答： Azzi Abdelmalek 2013-11-5
i am trying to generate a random signal with only +1 & -1 the code works the only problem that i donot under stand way we put the 2 and -1/2

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Azzi Abdelmalek
Azzi Abdelmalek 2013-11-5
a=rand%
b=rand(a) % the result is 0 or 1
%If b=1
2*(1-1/2)=1
%If b=0
2*(0-1/2)=-1

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