MATLAB: How to repeat a bit sequence

repeat a bit sequence

Hi

I have a key =1234;
bit_sequence = dec2bin(key);

how i create a new_bit_sequence longer by repeating bit_sequence n time? (n is interger, ex: n=50)

Best Answer

key =1234;
bit_sequence = dec2bin(key)
new_bit_sequence=repmat(bit_sequence,1,50)

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MATLAB: How to encode a bit sequences with key

nK = 17;  %for example, length of key
key_sequence = round(rand(1,nK));  %example key
nB = 50;  %for example, length of bit sequence
bit_sequence = round(rand(1,nB));   %example bits
new_bits = zeros(1, nB);
for J = 1 : nB
  new_bits(J) = xor( bit_sequence(J), key_sequence(mod(J-1, nK)+1) ); %xor with key
end

MATLAB: How to convert a bit sequence to array

a='10011010010'
out=a-'0'

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