資源簡介
內含經典MUSIC算法、求根MUSIC算法、基于波束空間的MUSIC、基于解相干的MUSIC算法和經典MUSIC算法的性能分析

代碼片段和文件信息
%classic?music
clear?all
clc
tic
%參數設定
M=10;
doa=[-10?45?60]/180*pi;
P=length(doa);
f=1000;c=1500;
lambda=f/c;d=lambda/2;
snr=5;
N=128;
%陣列流型A
for?i=1:P
????A(:i)=exp(-j*2*pi*d*[0:M-1]‘/lambda*sin(doa(i)));
end
%信源模型建立
for?k=1:P
????S(k:)=sqrt(10.^(snr/10))*(randn(1N)+j*randn(1N));
end
%接收信號模型建立
X=A*S+1/sqrt(2)*(randn(MN)+j*randn(MN));
%協方差矩陣特征值分解得到噪聲子空間
R=X*X‘/N;
[VD]=eig(R);
[YI]=sort(diag(D));
Un=V(:I(1:M-P));
%譜峰搜索部分
theta=-90:0.1:90;%線陣的搜索范圍為-90~90度
?for?i=1:length(theta)
???a_theta=exp(-j*(0:M-1)‘*2*pi*d*sin(pi*theta(i)/180)/lambda);
???Pmusic(i)=1./abs((a_theta)‘*Un*Un‘*a_theta);
?end
plot(theta10*log(Pmusic/max(Pmusic))‘r‘);
axis([-90?90?-90?10]);
xlabel(‘theta/degree‘);
ylabel(‘歸一化空間譜/dB‘);
legend(‘Music?Spectrum‘);
title(‘經典MUSIC估計‘);
grid?on;
toc
?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????文件????????935??2014-10-29?10:08??基于波束空間\beamformmusic1.m
?????文件???????1141??2014-10-18?12:49??基于波束空間\beamformmusicbs3.m
?????文件???????1163??2014-11-14?17:11??基于波束空間\經典MUSIC與波束空間MUSIC對比.m
?????文件???????1538??2014-11-18?16:24??基于解相干\dsvd.m
?????文件???????1388??2014-11-18?17:07??基于解相干\esvd.m
?????文件???????1361??2014-11-19?11:45??基于解相干\psvd.m
?????文件???????1468??2014-11-07?17:07??基于解相干\前向平滑.m
?????文件???????1570??2014-11-07?18:09??基于解相干\雙向平滑.m
?????文件???????1506??2014-11-07?17:32??基于解相干\后向平滑.m
?????文件???????1062??2014-11-19?12:45??性能分析\music_改變dlamba.m
?????文件???????1085??2014-11-19?12:45??性能分析\music_改變兩到達角度差.m
?????文件???????1021??2014-11-19?12:45??性能分析\music_改變信噪比.m
?????文件???????1098??2014-11-19?12:45??性能分析\music_改變快拍數.m
?????文件???????1039??2014-11-19?12:45??性能分析\music_改變陣元數.m
?????文件????????998??2014-11-19?12:17??性能分析\threedmusicsecond_改變dlambda.m
?????文件????????969??2014-11-19?12:43??性能分析\threedmusic_改變信噪比.m
?????文件????????995??2014-11-19?12:30??性能分析\threedmusic_改變快拍數.m
?????文件???????1018??2014-11-19?12:44??性能分析\threedmusic_改變陣元數.m
?????文件????????882??2014-11-14?17:56??classic\classicmusic.m
?????文件????????842??2014-11-14?18:02??classic\musicsvdus.m
?????文件???????1305??2014-11-14?17:52??root\rootmusic3.m
?????文件???????1300??2014-11-14?17:52??root\rootmusic4.m
?????文件????????914??2014-11-14?17:18??root\rootmusic_sum(diag(Gni)).m
?????文件???????1397??2014-11-19?11:41??root\rootmusic_sym2poly_找出P對根.m
?????文件???????1056??2014-11-19?11:41??root\root_sym2poly_找出P個根.m
?????目錄??????????0??2014-11-14?17:13??基于波束空間
?????目錄??????????0??2014-11-19?11:45??基于解相干
?????目錄??????????0??2014-11-19?12:42??性能分析
?????目錄??????????0??2014-11-14?17:57??classic
?????目錄??????????0??2014-10-22?11:35??root
............此處省略3個文件信息
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