function [errorbit,theoerror]=pe(num,chanel,mode)
errorbit=[];
if(chanel=="awgn" && mode=="2PSK")
for i=1:15
num1=pskdemod(addNoise(pskmod(num,2),i,"awgn"),2)
[a,s]=biterr(num1,num);
errorbit=[errorbit,s];
theoerror(i)=berawgn(i,"psk",2,"nondiff");
end
end
if(chanel=="awgn" && mode=="4PSK")
for i=1:15
num1=pskdemod(addNoise(pskmod(num,4),i,"awgn"),4)
[a,s]=biterr(num1,num);
errorbit=[errorbit,s];
theoerror(i)=berawgn(i,"psk",4,"nondiff");
end
end
if(chanel=="rayleigh" && mode=="2PSK")
for i=1:15
num1=pskdemod(addNoise(pskmod(num,2),i,"rayleigh"),2)
[a,s]=biterr(num1,num);
errorbit=[errorbit,s];
theoerror(i)=berawgn(i,"psk",2,"nondiff");
end
end
if(chanel=="rayleigh" && mode=="4PSK")
for i=1:15
num1=pskdemod(addNoise(pskmod(num,4),i,"rayleigh"),4)
[a,s]=biterr(num1,num);
errorbit=[errorbit,s];
theoerror(i)=berawgn(i,"psk",4,"nondiff");
end
end
if(chanel=="ideal")
errorbit=[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0];
theoerror=[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0];
end
基于MATLAB的2PSK4PSK图像传输系统
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2024-06-17
23:03:41
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PSK.rar （14个子文件） 
PSK 
gray_decode.m 442B
inal2.jpg 28KB pe.m 1KB bin2qua.m 263B qua2bin.m 610B img2bin.m 260B addNoise.m 620B inal4.jpg 4KB inal3.jpg 15KB bin2img.m 145B app1.mlapp 104KB gray_code.m 317B inal.jpg 4KB untitled.m 313B资源评论
