?? graydecoding.m
字號:
function y = GrayDecoding(x,Nbits);% y = GrayDecoding(x,Nbits);%% returns the systematic Gray code of the Nbit number x.% S Weiss, 10/10/2000% x in [0; 2^Nbits-1]y = 0;dummy = 0;for i = Nbits:-1:1, A = floor(x/2^(i-1)); if (A==1) x = x - 2^(i-1); end; if (A~=dummy), y = y+2^(i-1); end; dummy = A; end;
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