?clc;clear;close?all;
%%%%%%%%%%%%%%參數設定%%%%%%%%%%%%%%
t?=?1e-1;%總時間
f?=?1e6;%載波頻率
N_send?=?t*1e7;?
ts?=?0:1e-7:（t-1e-7）;%采樣頻率1e7
fs_send?=?1e7*（-N_send/2:N_send/2-1）/N_send;
sigma?=?1;%信道白噪聲方差
atte_a?=?0.9;%a徑衰減
atte_b?=?0.5;%b徑衰減

%t_delay?=?0:1e-3:1e-1-1e-3;%多徑信道時延時間?????change?from??0:2.5e-3:1e-1-2.5e-3
t_delay?=?0:2.5e-3:1e-1-2.5e-3;
for?k?=?1:40???????????????%change?from?1:40?or100
????N_rece?=?t*1e7+t_delay（k）*1e7;?
????ts_rece?=?0:1e-7:（t-1e-7+t_delay（k））;
????fs_rece?=?1e7*（-N_rece/2:N_rece/2-1）/N_rece;
%%%%%%%%%%%%信號產生與調制%%%%%%%%%%%%%%
????e_signal=?randint（1t*100e3）;%信源信號?速率100kbps
????e_dev?=?reshape（e_signal2t*100e3/2）;%分開ab序列
????a_seq?=?e_dev（1:）;%a序列
????b_seq?=?e_dev（2:）;%b序列??50k?采樣頻率10M?200倍

????a_seq_ex?=?a_seq（ceil（0.005:0.005:t*100e3/2））*

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????目錄???????????0??2012-07-13?12:13??code\
?????文件????????3061??2012-07-13?12:08??code\Delay_Pe.m
?????文件????????2851??2012-07-13?12:22??code\Delay_Pe2.m
?????文件????????2638??2012-07-10?09:34??code\final1.m
?????文件????????2958??2012-07-13?12:05??code\SNR_Pe.m
?????文件????????3340??2012-07-09?11:15??code\verson1.m
?????文件????????3572??2012-07-13?10:26??code\waveshape.m
?????目錄???????????0??2012-07-13?12:49??picture\
?????文件???????18478??2012-07-09?18:38??picture\Pe_Delay.jpg
?????文件???????19795??2012-07-13?11:00??picture\Pe_Delay2.jpg
?????文件???????20784??2012-07-13?12:49??picture\Pe_Delay3.jpg
?????文件???????16312??2012-07-11?10:35??picture\Pe_SNR.jpg
?????文件???????16981??2012-07-13?11:13??picture\Pe_SNR2.jpg
?????文件???????15515??2012-07-13?11:16??picture\Pe_SNR3.jpg
?????文件???????29357??2012-07-09?16:36??picture\pointA.jpg
?????文件???????40523??2012-07-09?16:36??picture\pointB.jpg
?????文件???????36435??2012-07-09?16:37??picture\pointC.jpg
?????文件???????31625??2012-07-09?16:38??picture\pointD.jpg
?????文件???????29318??2012-07-09?16:38??picture\pointE.jpg
?????文件???????33071??2012-07-09?16:37??picture\pointF.jpg