%?DOA?estimation?by?MUSIC?
%?Developed?by?xiaofei?zhang?（南京航空航天大學?電子工程系?張小飛）
%?EMAIL:zhangxiaofei@nuaa.edu.cn
clear?all
close?all
derad?=?pi/180;????????%?deg?->?rad
radeg?=?180/pi;
twpi?=?2*pi;
kelm?=?8;???????????????%?陣列數量
dd?=?0.5;???????????????%?space?
d=0:dd:（kelm-1）*dd;?????%?
iwave?=?3;??????????????%?number?of?DOA
theta?=?[10?30?60];?????%?角度
snr?=?10;???????????????%?input?SNR?（dB）
n?=?500;?????????????????%?
A=exp（-j*twpi*d.‘*sin（theta*derad））;%%%%?direction?matrix
S=randn（iwaven）;
X=A*S;
X1=awgn（Xsnr‘measured‘）;
Rxx=X1*X1‘/n;
InvS=inv（Rxx）;?%%%%
[EVD]=eig（Rxx）;%%%%?
EVA=diag（D）‘;
[EVAI]=sort（EVA）;
EVA=fliplr（EVA）;
EV=fliplr（EV（:I））;

%?MUSIC
for?iang?=?1:361
????????angle（iang）=（iang-181）/2;
????????phim=derad*angle（iang）;
????????a=exp（-j*twpi*d*sin（phim））.‘;
????????L=iwave;????
????????En=EV（:L+1:kelm）;
????????SP（iang）=（a‘*a）/（a‘*En*En‘*a）;
end
???
%?
SP=abs（SP）;
SPmax=max（SP）;
SP=10*log10（SP/SPmax）;
h=plot（angleSP）;
set（h‘Linewidth‘2）
xlabel（‘angle?（degree）‘）
ylabel（‘magnitude?（dB）‘）
axis（[-90?90?-60?0]）
set（gca?‘XTick‘[-90:30:90]）
grid?on??

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

?????文件???????1122??2010-08-16?09:41??1.MUSIC算法MATLAB程序\doa_music.m

?????文件????????674??2010-08-16?09:40??2.ESPRIT?算法MATLAB程序\main.m

?????文件???????1584??2010-05-21?10:54??2.ESPRIT?算法MATLAB程序\tls_esprit.m

?????文件????????908??2010-08-16?09:40??3.root-MUSIC算法MATLAB程序\root_music.m

?????文件????????200??2010-07-07?16:47??4.面陣中二維角度估計?Unitary?-ESPRIT算法MATLAB程序\qq.m

?????文件???????1312??2010-08-16?09:40??4.面陣中二維角度估計?Unitary?-ESPRIT算法MATLAB程序\Unitary_esprit.m

?????文件???????1373??2010-08-16?09:40??5.空間平滑MUSIC算法的MATLAB程序\main.m

?????文件????????240??2009-06-16?11:23??5.空間平滑MUSIC算法的MATLAB程序\mssp.m

?????文件????????174??2009-06-16?11:23??5.空間平滑MUSIC算法的MATLAB程序\ssp.m

?????文件???????1627??2010-08-16?09:53??6.角度和時延聯合估計（JADE）算法MATLAB程序\genspacetimechan.m

?????文件???????4668??2010-08-16?09:58??6.角度和時延聯合估計（JADE）算法MATLAB程序\jade.m

?????文件???????1040??2010-08-16?09:56??6.角度和時延聯合估計（JADE）算法MATLAB程序\main.m

?????文件????????464??2010-08-16?09:42??6.角度和時延聯合估計（JADE）算法MATLAB程序\qtrans.m

?????文件????????498??2010-08-16?09:49??6.角度和時延聯合估計（JADE）算法MATLAB程序\raisedcos_filter.m

?????文件???????1513??2010-08-16?09:41??7.譜峰搜索傳播算子DOA估計算法MATLAB程序\PM.m

?????文件???????1477??2010-08-16?10:07??8.基于增廣矩陣束的L型陣列的二維DOA估計MATLAB程序\matrix_pencil_L.m

?????文件????????152??2010-08-16?10:04??8.基于增廣矩陣束的L型陣列的二維DOA估計MATLAB程序\R_hankel.m

?????文件???????1678??2012-10-15?13:22??9.均勻圓陣下基于UCA-ESPRIT的二維DOA估計的MATLAB程序\main.m

?????文件?????????42??2012-10-15?12:01??9.均勻圓陣下基于UCA-ESPRIT的二維DOA估計的MATLAB程序\VV.m

?????文件?????????90??2012-10-15?12:01??9.均勻圓陣下基于UCA-ESPRIT的二維DOA估計的MATLAB程序\WW.m

?????文件???????1233??2012-12-02?13:20??10.L型陣下基于2D-MUSIC的二維DOA估計算法\main_2d_doa_music.m

?????文件????????177??2012-12-02?13:35??11.一階前向預測的DOA估計算法MATLAB程序\array_manifold.m

?????文件???????1663??2012-12-02?13:39??11.一階前向預測的DOA估計算法MATLAB程序\lp_doaestimation.m

?????文件????????605??2012-12-02?13:34??11.一階前向預測的DOA估計算法MATLAB程序\receive_signal.m

?????文件????????294??2012-12-02?13:31??11.一階前向預測的DOA估計算法MATLAB程序\steering_vector.m

?????文件???????2131??2012-12-02?13:47??12.?寬帶信號DOA估計的非相干信號子空間（ISM）MATLAB程序\ISM_code.m

?????文件???????2138??2012-12-02?14:06??13.信源數估計MDL算法MATLAB程序\mdl_sourcenumber.m

?????文件????????959??2012-12-02?14:20??14.均勻線陣DOA估計Unitary?-ESPRIT算法MATLAB程序\test_unitary_esprit.m

?????文件???????2649??2012-12-02?14:20??14.均勻線陣DOA估計Unitary?-ESPRIT算法MATLAB程序\unitary_esprit.m

?????文件???????1673??2012-12-03?09:58??15?四元數MUSIC的MATLAB程序\AssignAgain.m

............此處省略44個文件信息