gusucode.com > 现代通信系统——使用MATLAB(+全部程序) > 现代通信系统——使用MATLAB(+全部程序)/现代通信系统——使用MATLAB(+全部程序)/Matlab 程序/Chapter5/Bdt_int.m
function [y] = bdt_int(x,snr_per_bit,M) % [y]=bdt_int(x,snr_per_bit,M) % BDT_INT is used to compute the integrand needed in the % computaion of the error probability of orthogonal signals N=length(x); for i=1:N, y(i)=(1/sqrt(2*pi))*(1-(1-Qfunct(x(i)))^(M-1))*exp(-(x(i)-sqrt(2*log2(M)*snr_per_bit))^2/2); end;