function [adjudged_ami]=adjudg_1(ami_after_channel,m)
%輸入信號ami_after_channel為經過AWGN信道后的AMI碼型數字信號，m為判決門限值；輸出變量adjudged_ami為抽樣判決后的信號。
%加噪AMI碼型數字序列抽樣判決的MATLAB仿真實現
for i=1:length(ami_after_channel);
    temp=ami_after_channel;
    if (temp(i)>m)
        adjudged_ami(i)=1;
    elseif((temp(i)<m)&(temp(i)>-m))
        adjudged_ami(i)=0;
    else(temp(i)<-m)
        adjudged_ami(i)=-1;
    end
end
%畫圖
l=length(ami_after_channel);
for x=1:l*10
   m=ceil(x/10);
   adjudged_ami1(x)=adjudged_ami(m);
   ami_after_channel1(x)=ami_after_channel(m);
end
t=1:length(ami_after_channel1);
figure(5)
subplot(2,1,1)
plot(t,ami_after_channel1,'*g-');
axis([-0.2 300 -2.2 2.2]);
title('道加噪聲的信號');
subplot(2,1,2)
plot(t,adjudged_ami1);
axis([-0.2 300 -1.2 1.2]);
title('抽樣判決以后的AMI碼');