g.m

基于matlab的gmsk信号的调制

function [g]=g()
global Tb 
%GT Summary of this function goes here
%   Detailed explanation goes here
Tb=0.000003692;
B=0.3/Tb;
a=sqrt(log2(2)/(2*B*B));
L=128;
dt=Tb/L;
t=(-2.5*Tb:dt:2.5*Tb);
g=0.25/Tb*(erfc(pi/a*(t-0.5*Tb))-erfc(pi/a*(t+0.5*Tb)));
plot(t,g,'r')
end