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資源簡介

稀疏表示doa估計,l1范數凸優(yōu)化的算法,性能很好 using array covariance matrix sparse representation)

資源截圖

代碼片段和文件信息

clc;
clear;
close;

lambda=1;
d=lambda/2;??????%陣元間距離,取為入射波長的一半
K=500;????????????%采樣快拍數
theta=[-5040];??%入射角度??
SignalNum=length(theta);?????%入射信號數量
Nnum=5;?????????????????%%陣列陣元數量
SNR1=-8;??????????%%信噪比?
Aratio=sqrt(10^(SNR1/10));????%信號幅度與噪聲幅度比值,并假設信號幅度為1

Fs=5*10^3;???????????????%信號頻率
Fc=[2*10^35*10^38*10^3];???????%入射信號頻率
fs=20*10^3;

thetatest=(-90*pi/180:1*pi/180:90*pi/180);???%theta角度搜索范圍??
thetanum=length(thetatest);

%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%計算信號協方差矩陣%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
T_Vector=(1:K)/fs;
A=zeros(NnumSignalNum);
SignalVector=zeros(SignalNumK);
%NoiseVector=zeros(NnumK);
Xt=zeros(NnumK);
%%構造A矩陣
for?k2=1:SignalNum
????for?k1=1:Nnum??????????????????????????%1:12
????????At(k1)=exp(j*(k1-1)*2*pi*d*sin(theta(k2)*pi/180)/la

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

?????文件?????205958??2013-12-20?12:05??vecR_WGB\6457588.pdf

?????文件???????3436??2014-03-13?20:31??vecR_WGB\SSR_doa.m

?????文件?????164654??2014-02-18?10:54??vecR_WGB\文獻30_An?approach?of?regularization?parameter?estimation?for?sparse?signal?recovery.pdf

?????目錄??????????0??2014-03-23?11:16??vecR_WGB

-----------?---------??----------?-----??----

???????????????374048????????????????????4


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