%TAM?ALOGRITHM
%DOA?ESTIMATION?BY?TAM
clear?all;
%close?all;
clc;

source_number=2;%信元數(shù)
sensor_number=8;%陣元數(shù)
N_x=1024;?%信號長度
snapshot_number=N_x;%快拍數(shù)
w=[pi/4?pi/6].‘;%信號頻率
l=（（2*pi*3e8）/w（1）+（2*pi*3e8）/w（2））/2;%信號波長??
d=0.5*l;%陣元間距
snr=0;%信噪比

source_doa=[45?60];%兩個(gè)信號的入射角度
A=[exp（-j*（0:sensor_number-1）*d*2*pi*sin（source_doa（1）*pi/180）/l）;exp（-j*（0:sensor_number-1）*d*2*pi*sin（source_doa（2）*pi/180）/l）].‘;%陣列流型

s=sqrt（10.^（snr/10））*exp（j*w*[0:N_x-1]）;%仿真信號
%x=awgn（ssnr）;
x=A*s+（1/sqrt（2））*（randn（sensor_numberN_x）+j*randn（sensor_numberN_x））;%加了高斯白噪聲后的陣列接收信號

R=x*x‘/snapshot_number;
disp（R）;
%對接收到的數(shù)據(jù)協(xié)方差矩陣進(jìn)行奇異值分解分解得到信號子空間及大特征值
[USV]=svd（R）;
Us=U（:1:source_number）;
Ss=S（1:source_number1:source_number）;
disp（Ss）;
Vs=V（:1:source_number）;
%利用旋轉(zhuǎn)不變子空間思想構(gòu)造矩陣B
B=Us*（Ss^（1/2））;
B1=B（1:（sensor_number-1）:）;
B2=B（2:sensor_number:）;
%提取Us的子向量構(gòu)造Us1和Us2
%Us1=Us（1:（sensor_number-1）:）;
%Us2=Us（2:sensor_number:）;
%利用以上關(guān)系得到最小二乘解
%D=pinv（Us1*（（Ss）^（1/2）））*Us2*（（Ss）^（1/2））;
D=pinv（B1）*B2;
%對D進(jìn)行特征分解，由特征值可得到對應(yīng)的N個(gè)信號的到達(dá)角
[VdDd]=eig（D）;
Dd=sort（diag（Dd））;
disp（Dd）;
doa=-asin（angle（Dd）/pi）*180/pi;
disp（doa）;

?屬性????????????大小?????日期????時(shí)間???名稱
-----------?---------??----------?-----??----

?????文件???????1313??2008-06-01?20:08??DOA_MATLAB源程序\TAM算法\TAM.m

?????文件???????9096??2008-04-29?20:41??DOA_MATLAB源程序\幾種ESPRIT算法性能分析\esprit_rmse_snr.m

?????文件???????4715??2008-05-03?11:01??DOA_MATLAB源程序\幾種ESPRIT算法性能分析\esprit_rmse_zhenyuan.m

?????文件???????6450??2008-04-28?20:11??DOA_MATLAB源程序\幾種MUSIC算法性能分析\music_rmse_snr.m

?????文件???????4702??2008-06-01?19:58??DOA_MATLAB源程序\幾種MUSIC算法性能分析\music_zhenyuan_rmse.m

?????文件???????3139??2008-05-29?12:33??DOA_MATLAB源程序\四階累積量MUSIC和常規(guī)二階MUSIC性能對比\FOURTH_ORDER_MUSIC_VS_CLASSICAL_MUSIC__RMSE_SNR.m

?????文件???????3297??2008-05-30?19:23??DOA_MATLAB源程序\四階累積量MUSIC和常規(guī)二階MUSIC性能對比\FOURTH_ORDER_MUSIC_VS_CLASSICAL_MUSIC__RMSE_zhenyuan.m

?????文件???????1990??2008-05-29?12:08??DOA_MATLAB源程序\基于四階累積量的MUSIC算法\FOURTH_ORDER_MUSIC.m

?????文件???????2383??2008-05-31?23:30??DOA_MATLAB源程序\基于解相干的MUSIC源程序\Toeplitz算法\toeplitz_music.m

?????文件???????1353??2008-05-31?23:23??DOA_MATLAB源程序\基于解相干的MUSIC源程序\前向空間平滑MUSIC源程序\FORWARD_SMOOTHNESS_MUSIC.m

?????文件???????1649??2008-05-27?18:58??DOA_MATLAB源程序\基于解相干的MUSIC源程序\雙向空間平滑MUSIC源程序\BIDIRECTIONAL_SMOOTHNESS_MUSIC.m

?????文件???????1564??2008-05-31?23:26??DOA_MATLAB源程序\基于解相干的MUSIC源程序\矢量奇異值法\vector_singular_value.m

?????文件???????1381??2008-05-31?23:28??DOA_MATLAB源程序\基于解相干的MUSIC源程序\矩陣分解算法\matrix_decompose.m

?????文件???????2692??2008-05-08?10:32??DOA_MATLAB源程序\實(shí)值波束空間ESPRIT算法\RB_ESPRIT.m

?????文件???????1906??2008-05-07?21:01??DOA_MATLAB源程序\實(shí)值空間ESPRIT算法\R_ESPRIT.m

?????文件???????1463??2008-05-04?22:15??DOA_MATLAB源程序\總體最小二乘ESPRIT算法\TLS_esprit.m

?????文件???????1180??2008-05-03?22:21??DOA_MATLAB源程序\最小二乘ESPRIT算法\LS_esprit.m

?????文件???????1278??2008-05-31?23:15??DOA_MATLAB源程序\求根MUSIC算法源程序\root_music_1.m

?????文件???????1044??2008-05-31?23:18??DOA_MATLAB源程序\求根MUSIC算法源程序\root_music_2.m

?????文件???????1615??2008-04-27?16:12??DOA_MATLAB源程序\波束空間MUSIC算法源程序\BEAMFORMING_MUSIC_BS1.m

?????文件???????1455??2008-04-27?17:14??DOA_MATLAB源程序\波束空間MUSIC算法源程序\BEAMFORMING_MUSIC_BS3.m

?????文件???????1363??2008-05-05?22:05??DOA_MATLAB源程序\矩陣束的ESPRIT算法\matrix_esprit.m

?????文件???????1239??2008-05-31?23:11??DOA_MATLAB源程序\經(jīng)典MUSIC源程序\classical_music_1.m

?????文件???????1260??2008-05-31?18:40??DOA_MATLAB源程序\經(jīng)典MUSIC源程序\classical_music_2.m

?????文件???????1263??2008-05-31?23:13??DOA_MATLAB源程序\經(jīng)典MUSIC源程序\classical_music_3.m

?????目錄??????????0??2009-05-21?21:30??DOA_MATLAB源程序\基于解相干的MUSIC源程序\Toeplitz算法

?????目錄??????????0??2009-05-21?21:30??DOA_MATLAB源程序\基于解相干的MUSIC源程序\前向空間平滑MUSIC源程序

?????目錄??????????0??2009-05-21?21:30??DOA_MATLAB源程序\基于解相干的MUSIC源程序\雙向空間平滑MUSIC源程序

?????目錄??????????0??2009-05-21?21:30??DOA_MATLAB源程序\基于解相干的MUSIC源程序\矢量奇異值法

?????目錄??????????0??2009-05-21?21:30??DOA_MATLAB源程序\基于解相干的MUSIC源程序\矩陣分解算法

............此處省略18個(gè)文件信息