function?[?signal?]?=?msk_mod（?bit_streamfrequencyTbEb?）
%?%UNtitleD?Summary?of?this?function?goes?here
%?%???Detailed?explanation?goes?here

%?clc;
%?clear?all;
%?close?all;
%?
%?%?bitstream?to?be?tx
%?bit_stream=[1?0?0?1?0?0?1?1];
%?
f=frequency;
%?
%?%?carrier?frequency
%?f=30;
%?
%?%?bit?energy
%?
%?Eb=1;
%?%?
%?%?bit?period
%?Tb=0.001;


%time
t=0.001?:?.001?:?1;

%?time?for?p（t）

%?t2=0.01:.01:（2*Tb）;

nn=length（bit_stream）;


amp=sqrt（2*Eb）;




%?make?the?data?stream?length?even
if?（mod（nn2）~=0）
????bit_stream（1nn+1）=0;
????nn=nn+1;
end

%?length?of?bit?stream
N=length（bit_stream）;

m_i=zeros（1N/2）;%?Even?bit?stream?
m_q=zeros（1N/2）;%?Odd?bit?stream




a=1;
%?Generate?the?odd