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ITforever

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%×Óº¯Êý¶¨Òå²úÉúÒ»¸öÂö³å
function [p,t]=rrcp(fs,Tp,beta,Tend)
dt=1/fs;
t=[-Tend*fs:Tend*fs].*dt;         % Inizialization of
k=4*beta/(pi*sqrt(Tp));
t_n=t./Tp;
numerator_1=cos((1+beta)*pi*t_n)+Tp./(4*beta*t).*sin((1-beta)*pi*t_n);
denominator_1=1-(4*beta*t_n).^2;
p=k*numerator_1./denominator_1;
end
%Ö÷º¯ÊýÇó¸ÃÂö³åÓësincº¯ÊýµÄÏà¹Ø³Ì¶È
clear all
close all

fs=1e12;
dt=1/fs;
Tend=10/1e9;
Tp=2/1e9;%Âö³å¿í¶È
beta=0.5;

[p,t]=rrcp_xzm(fs,Tp,beta,Tend);
subplot(211)
plot(t,p)
subplot(212)
y=sinc(t);
[a,b]=xcorr(y,p,'coeff');
plot(b*dt,a)

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