%%%%%%%%%%%%%%?????Barker?code??????%%%%%%%%%%%%%%%
clear?all;
Barker_order=7;??%?order?of?barker?code
B1=barker（Barker_order）???%?Barker?code?generating?by?barker?function
Bb?=?xcorr（B1）;????%Barker?code?autocorrelation??
plot（Bb）;
grid?on;
axis?tight;
title（‘Barker?code?autocorrelation‘）;?

%%%%%%%%%%%%%%?????Binaryphase?coded?pulse??????%%%%%%%%%%%%%%%
samples=1000;??%?numer?of?samples?in?one?sub_pulse
t=1:samples;
sub_pulse=sin（2*pi*t/samples）;
plot?（sub_pulse）;
pulse=zeros