?? qam_16.m
字號(hào):
function [d_symb]=QAM_16(numbits,d) %16_QAM調(diào)制
numbits=168;
% i=1:numbits;
% b(i)=randn(1,numbits)<0.5;
for n=1:4:(numbits-3)
if d(n)==0&d(n+1)==0&d(n+2)==0&d(n+3)==0
Re=1/sqrt(10);
Im=1/sqrt(10);
elseif d(n)==0&d(n+1)==0&d(n+2)==0&d(n+3)==1
Re=1/sqrt(10);
Im=3/sqrt(10);
elseif d(n)==0&d(n+1)==0&d(n+2)==1&d(n+3)==0
Re=3/sqrt(10);
Im=1/sqrt(10);
elseif d(n)==0&d(n+1)==0&d(n+2)==1&d(n+3)==1
Re=3/sqrt(10);
Im=3/sqrt(10);
elseif d(n)==0&d(n+1)==1&d(n+2)==0&d(n+3)==0
Re=1/sqrt(10);
Im=-1/sqrt(10);
elseif d(n)==0&d(n+1)==1&d(n+2)==0&d(n+3)==1
Re=1/sqrt(10);
Im=-3/sqrt(10);
elseif d(n)==0&d(n+1)==1&d(n+2)==1&d(n+3)==0
Re=3/sqrt(10);
Im=-1/sqrt(10);
elseif d(n)==0&d(n+1)==1&d(n+2)==1&d(n+3)==1
Re=3/sqrt(10);
Im=-3/sqrt(10);
elseif d(n)==1&d(n+1)==0&d(n+2)==0&d(n+3)==0
Re=-1/sqrt(10);
Im=1/sqrt(10);
elseif d(n)==1&d(n+1)==0&d(n+2)==0&d(n+3)==1
Re=-1/sqrt(10);
Im=3/sqrt(10);
elseif d(n)==1&d(n+1)==0&d(n+2)==1&d(n+3)==0
Re=-3/sqrt(10);
Im=1/sqrt(10);
elseif d(n)==1&d(n+1)==0&d(n+2)==1&d(n+3)==1
Re=-3/sqrt(10);
Im=3/sqrt(10);
elseif d(n)==1&d(n+1)==1&d(n+2)==0&d(n+3)==0
Re=-1/sqrt(10);
Im=-1/sqrt(10);
elseif d(n)==1&d(n+1)==1&d(n+2)==0&d(n+3)==1
Re=-1/sqrt(10);
Im=-3/sqrt(10);
elseif d(n)==1&d(n+1)==1&d(n+2)==1&d(n+3)==0
Re=-3/sqrt(10);
Im=-1/sqrt(10);
else d(n)==1&d(n+1)==1&d(n+2)==1&d(n+3)==1
Re=-3/sqrt(10);
Im=-3/sqrt(10);
end
d_symb((n+3)/4)=Re+j*Im;
end?? 快捷鍵說明
復(fù)制代碼
Ctrl + C
搜索代碼
Ctrl + F
全屏模式
F11
切換主題
Ctrl + Shift + D
顯示快捷鍵
?
增大字號(hào)
Ctrl + =
減小字號(hào)
Ctrl + -