%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%%?聲納技術?實驗課
%???實驗3.?線陣的波束形成
%???
%???Author:?Lanhualin
%???Create?date:2010-02-28
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%

clc;
clear;
%%??參數
c=1500;
f0=1.5e3;
fs=150e3;
T=50e-3;
SNR=20;
lamda=c./f0;
D=lamda./2;
N=21;
maxdelay=（N-1）.*D./c;
Nmaxdelay=round（maxdelay.*fs）;
alpha=（-90:90）*pi./180;
px=（0:N-1）.*D;
theta0=30*pi./180;
N_delay0=D.*sin（theta0）./c.*fs;
theta0=-30*pi./180;
N_delay1=D.*sin（theta0）./c.*fs;
Wn=2*[1000?2000]/fs;???????????????????????????????
bb=fir1（128Wn‘bandpass‘）;??????????????????????????%帶通濾波器系數
%%?信號模型
t=0:1./fs:T;
sig00=sqrt（2）.*cos（2.*pi.*f0.*t）;
for?mm=1:N;
????N0=round（N_delay0.*（mm-1））;
????sig0（mm:）=[zeros（1Nmaxdelay.*2-N0）?sig00?zeros（1Nmaxdelay.*1+N0）];
end
for?mm=1:N;
????N0=round（

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----

?????文件???????2561??2011-05-02?14:15??2013\matlab?script\beamformtest.asv

?????文件???????2620??2011-05-03?11:15??2013\matlab?script\beamformtest.m

?????文件???????2634??2011-01-11?14:45??2013\matlab?script\bf_1500Hz_normal_statistic.asv

?????文件???????2692??2011-01-11?14:49??2013\matlab?script\bf_1500Hz_normal_statistic.m

?????文件????????482??2010-03-28?09:55??2013\matlab?script\Sonar_Exp_0_1.m

?????文件????????734??2010-02-28?10:03??2013\matlab?script\Sonar_Exp_1_1.m

?????文件????????470??2010-02-28?10:02??2013\matlab?script\Sonar_Exp_1_2.m

?????文件???????1369??2010-02-28?10:03??2013\matlab?script\Sonar_Exp_1_3.m

?????文件????????965??2010-02-28?10:11??2013\matlab?script\Sonar_Exp_1_4.m

?????文件????????979??2013-04-19?19:27??2013\matlab?script\Sonar_Exp_1_5.m

?????文件???????2377??2013-01-12?10:47??2013\matlab?script\Sonar_Exp_beamform.m

?????文件????????732??2012-04-19?13:57??2013\matlab?script\Sonar_Exp_directivity.m

?????文件????????689??2010-04-15?16:29??2013\matlab?script\Sonar_Exp_fre_est.m

?????文件????????968??2010-04-15?16:20??2013\matlab?script\Sonar_Exp_timedelay.m

?????文件???????1060??2010-02-28?10:36??2013\matlab?script\Sonar_Exp_v2_CW.m

?????文件????????991??2010-02-28?10:38??2013\matlab?script\Sonar_Exp_v2_LFM.m

?????文件???39756025??2009-01-15?02:42??2013\sources\MathWorks?Documentation?-?MATLAB?V7?Introductory?and?Programming.pdf

?????文件??????85504??2001-10-11?09:22??2013\sources\Matlab?教程ppt\第一課?概述.pps

?????文件??????93696??2000-10-30?08:05??2013\sources\Matlab?教程ppt\第七課?MATLAB的符號計算.pps

?????文件??????66048??2000-10-30?08:02??2013\sources\Matlab?教程ppt\第三課?文件操作.pps

?????文件??????78336??2000-10-30?08:01??2013\sources\Matlab?教程ppt\第二課?MATLAB程序設計.pps

?????文件??????76288??2000-10-30?08:03??2013\sources\Matlab?教程ppt\第五課?線性代數中的數值計算問題.pps

?????文件??????71680??2000-10-30?08:05??2013\sources\Matlab?教程ppt\第八課?MATLAB圖形用戶界面設計.pps

?????文件??????87040??2000-10-30?08:04??2013\sources\Matlab?教程ppt\第六課?數據處理方法與多項式.pps

?????文件?????104960??2000-10-30?08:03??2013\sources\Matlab?教程ppt\第四課?繪圖功能.pps

????I.A.SH.?????28160??2013-04-20?23:25??2013\Thumbs.db

?????文件?????216064??2011-04-21?15:37??2013\聲納技術實驗-第1講.ppt

?????文件?????266240??2010-04-09?15:22??2013\聲納技術實驗-第2講.ppt

?????文件????1324544??2013-04-19?18:41??2013\聲納技術實驗-第3講.ppt

?????文件?????115200??2010-04-15?16:31??2013\聲納技術實驗-第4講.ppt

............此處省略7個文件信息