function y =srz(x)
%本函數(shù)實(shí)現(xiàn)將輸入的一段二進(jìn)制代碼編為相應(yīng)的單極性歸零碼輸出
%輸入x為二進(jìn)制碼，輸出y為編好的碼
grid = 200
t=0:1/grid:length(x);;
for i=1:length(x)
    if(x(i)==1)
        for j=1:grid/2
            y(grid/2*(2*i-2)+j)=1;
            y(grid/2*(2*i-1)+j)=0;
        end
    else
        for j=1:grid/2
            y(grid*(i-1)+j)=0;
        end
    end
end
y[y,x(i)];
M=max(y);
plot(t,y);
title('1 0 0 1 1 0 0 0 0 1 0 1');