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    文件類型: .zip
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    發布日期: 2021-06-03
  • 語言: Matlab
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資源簡介

陣列信號處理中改進型的蓋氏圓信源數估計詳細程序,MATLAB代碼

資源截圖

代碼片段和文件信息

clc
clear?all
close?all
f=3*10^9;
c=3*10^8;
wl=c/f;d=wl/2;
th=[20?40];
N=length(th);
M=8;
L=100;
rad=pi/180;
SNR=10;
snr=10.^(SNR/20);
for?m=1:M
????for?n=1:N
????????a(mn)=exp(-j*2*pi*(m-1)*d*sin(th(n)*rad)/wl);
????end
end
for?p=1:N
????for?q=1:L
????????p1=rand(11);
????????p2=rand(11);
????????si(pq)=sqrt(-2*snr*snr*log(p1))*cos(2*pi*p2);
????????sr(pq)=sqrt(-2*snr*snr*log(p1))*sin(2*pi*p2);
????????s(pq)=si(pq)+j*sr(pq);
????end
end
RS=s*s‘/L;
for?p=1:M
????for?q=1:M
????????xiangguan=0.3;gonglv=1;
????????n(pq)=1*xiangguan^abs(p-q)*exp(j*(p-q)*0.77*pi);
????end
end
xx=a*RS*a‘+n;
for?p1=1:M-1
????for?q1=1:M-1
????????xx1(p1q1)=xx(p1q1);
????end
end
[VD]=eig(xx1);
t=zeros(M-11);
T=[V?t;t‘?1];
RT=T‘*xx*T;
for?i=1:M-1
????r(i)=abs(RT(iM));%蓋氏圓半徑
end
for?k=1:M-2
????gde(k)=r(k)-sum(r)/(L*(M-1)/80);
end
kk=1;
while?gde(kk)>0
????kk=kk+1;
end
KK1=kk-1;%n=0
%%%%%%?
E=[teye(M-1);1t‘];
for?n=1:M-1
???TT=E*T;
???
RT=TT‘*xx*TT;
for?i=1:M-1
????r(i)=abs(RT(iM));%蓋氏圓半徑
end
for?k=1:M-2
????gde(k)=r(k)-sum(r)/(L*(M-1)/80);
end
kk=1;
while?gde(kk)>0
????kk=kk+1;
end
KK(n)=kk-1;
T=TT;
end
NNN=(sum(KK)+KK1)/M





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?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????文件????????1302??2012-11-15?20:11??MGDE.m
?????文件??????????46??2018-10-13?19:14??readme.txt

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