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雷達定位精度分析,繪制GDOP圖,研究雷達布陣形式!

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代碼片段和文件信息

%%%?u????目標真實位置
%%%?s????觀測站坐標
%%%?Qa???AOA估計的協方差矩陣
%%%?Qb???自定位測量的協方差矩陣
function?[rms?cu]?=?crlb_AOA(usQaQbvarargin)

M?=?size(s2);???%sensor個數
r?=?pdist2(s‘?u‘);?%source和sensors之間的真實距離
r2?=?r.^2;
t_u?=?zeros(2M);
t_s?=?zeros(2*MM);
for?i=1:M
???t_u(1i)?=?(s(2i)-u(2))/r2(i);
???t_u(2i)?=?-(s(1i)-u(1))/r2(i);
???t_s(2*i-1i)?=?-(s(2i)-u(2))/r2(i);
???t_s(2*ii)?=?(s(1i)-u(1))/r2(i);
end
X?=?t_u/Qa*t_u‘;
%?X_1?=?inv(X);
X_1?=?eye(size(X))/X;

if?nargin????cu?=?X_1;
???rms?=?sqrt(sum(diag(cu)));
else
???%%%有觀測誤差的話
???Y?=?t_u/Qa*t_s‘;
???Z?=?t_s/Qa*t_s‘?+?eye(size(Qb))/Qb;
???cu?=??X_1?+?X_1*Y/(Z-Y‘*X_1*Y)*Y‘*X_1;
???rms?=?sqrt(sum(diag(cu)));
end

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????目錄???????????0??2014-01-13?17:29??GDOP\
?????目錄???????????0??2014-01-13?17:29??GDOP\2D\
?????文件?????????774??2013-07-09?11:28??GDOP\2D\crlb_AOA.m
?????文件????????3319??2013-08-09?14:59??GDOP\2D\test2.m
?????文件????????2298??2013-08-09?15:24??GDOP\2D\test2_1.m
?????目錄???????????0??2014-01-13?17:29??GDOP\3D\
?????文件?????????742??2013-08-12?09:22??GDOP\3D\check.m
?????文件?????????615??2013-11-01?08:58??GDOP\3D\check_2.m
?????文件?????????963??2013-08-10?18:39??GDOP\3D\crb_angle.m
?????文件????????1054??2013-04-16?10:08??GDOP\3D\crb_angle_range.m
?????文件?????????532??2013-11-01?08:25??GDOP\3D\crb_range.m
?????文件?????1817952??2012-07-19?10:55??GDOP\3D\dandao_newvg200.mat
?????文件????????2342??2013-11-01?08:54??GDOP\3D\gdop_all.m

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