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hi,,,I am trying to generate a 12 bit data string whose 30% bit will be erased.How can I do that?

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nafila aytija
nafila aytija 2016-6-15
评论： nafila aytija 2016-6-21
The data string is A=[ 1 0 0 0 0 0 0 1 1 0 1 0];
I am trying to generate a binary erasure channel.I am replacing the erased bit with number 3.if my erasure probability is 25% (the probability of every bit is erased and replaced by 3 is 25%),then how do I write the code for that? Thanks in advance

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Jan
Jan 2016-6-21
A = [1 0 0 0 0 0 0 1 1 0 1 0];
A(rand(size(A)) <= 0.25) = 3;

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