ask.m

一个ask调制解调的源程序

clear all

snr_in_dB1=0:1:12;
snr_in_dB2=0:0.1:12; 
figure(2)
%=======================误码率的计算========================%
for i= 1:length(snr_in_dB1);
err_prb(i) = ask2(snr_in_dB1(i)); %仿真误码率
end 
semilogy(snr_in_dB1,err_prb,'*'); 

%========================ASK理论误码率========================%
for j=1:length(snr_in_dB2);
SNR=exp(snr_in_dB2(j)*log(10)/10);
theo_err_Pe(j)=Qfunct(sqrt(2*SNR)); %theoretical error rate
end
hold
semilogy(snr_in_dB2,theo_err_Pe);