f_bin2gray.m

该程序仿真了OFDM系统的整个流程

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%  Cobayashi Laboratory , Mie University, Japan
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%                   Last Modified by  tao,2001/06/13
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function  out = f_bin2gray(num)

binary = 0:num-1;
gray = bitxor(bitshift(binary,-1),binary);

out = gray;