psk2.m

来自「调制识别：基于决策论的通信信号调制识别实现」· M 代码 · 共 10 行

%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
function[s] = psk2(d,fb,fc,fs,Ac)
%clear; d=randint(1,10,2);fb=500;fc=2000;Ac=1;fs=12000;
N=size(d,2);M=fs/fb;tb=1/fb;tc=1/fc;Nc=M*tc/tb;step=tb/M;
d=d*2-1;
for j = 1:N
	for i = 1:M
		s((j-1)*M+i)=Ac*cos(2*pi*(i-1)/Nc)*d(j);
    end
end