资源简介
对于做定位的人来说,是个基础并且很好的资源
代码片段和文件信息
%Chan定位算法
clear;clc;
C = 300000000; % 光速(米每秒)
R = 1000; % 小区半径(米)
Rn = R/1000; %(km)
x_delta = 0;
y_delta = 0;
e = 0;
% stda = 0.01;
% 蜂窝系统各基站坐标
X1 = 0;
Y1 = 0;
X2 = R*(1+sqrt(3)/2);
Y2 = 0;
X3 = R*(sqrt(3)/2);
Y3 = R*(-3/2);
X4 = R*(-sqrt(3)/2);
Y4 = R*(-3/2);
X5 = R*(-1-(sqrt(3)/2));
Y5 = 0;
X6 = R*(-sqrt(3)/2);
Y6 = R*(3/2);
X7 = R*(sqrt(3)/2);
Y7 = R*(3/2);
% KM = XM^2 + YM^2
K1 = Ka(X1Y1);
K2 = Ka(X2Y2);
K3 = Ka(X3Y3);
K4 = Ka(X4Y4);
K5 = Ka(X5Y5);
K6 = Ka(X6Y6);
K7 = Ka(X7Y7);
% XM_1 = XM - X1;YM_1 = YM - X1
X2_1 = Xab(X2X1);
Y2_1 = Xab(Y2Y1);
X3_1 = Xab(X3X1);
Y3_1 = Xab(Y3Y1);
X4_1 = Xab(X4X1);
Y4_1 = Xab(Y4Y1);
X5_1 = Xab(X5X1);
Y5_1 = Xab(Y5Y1);
X6_1 = Xab(X6X1);
Y6_1 = Xab(Y6Y1);
X7_1 = Xab(X7X1);
Y7_1 = Xab(Y7Y1);
% 随机产生MS的位置(x,y)
u = rand(1);
y = (R/2)*(1-sqrt(u))
v = (sqrt(3)*((R/2)-y))*rand(1);
x = sqrt(3)*y + v
% x = 300;
% y = 800;
% 计算MS到各基站的距离
R1 = distance(X1Y1xy);
R2 = distance(X2Y2xy);
R3 = distance(X3Y3xy);
R4 = distance(X4Y4xy);
R5 = distance(X5Y5xy);
R6 = distance(X6Y6xy);
R7 = distance(X7Y7xy);
num = 5;
PPP=1000;
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% Chan算法
for i = 1:num
sgma = i*30;
for ss = 1:PPP
% RM_1为带误差的距离差
R2_1 = Rab(R2R1) + gngauss(sgma);
T2_1(ss) = R2_1/C;
R3_1 = Rab(R3R1) + gngauss(sgma);
T3_1(ss) = R3_1/C;
R4_1 = Rab(R4R1) + gngauss(sgma);
T4_1(ss) = R4_1/C;
R5_1 = Rab(R5R1) + gngauss(sgma);
T5_1(ss) = R5_1/C;
R6_1 = Rab(R6R1) + gngauss(sgma);
T6_1(ss) = R6_1/C;
R7_1 = Rab(R7R1) + gngauss(sgma);
T7_1(ss) = R7_1/C;
end
% 各TDOA测量值的方差
T2_1_fangcha = var(T2_1);
T3_1_fangcha = var(T3_1);
T4_1_fangcha = var(T4_1);
T5_1_fangcha = var(T5_1);
T6_1_fangcha = var(T6_1);
T7_1_fangcha = var(T7_1);
for k = 1:PPP
% 假设MS到BSi的距离与MS到BS1的距离差为:R2_1=Ri-R1产生的误差方差为sgma,TDOA(时间差)为:Ti_1=Ri_1/C
sgma = i*30;
R2_1 = Rab(R2R1) + gngauss(sgma);
T2_1 = R2_1/C;
R3_1 = Rab(R3R1) + gngauss(sgma);
T3_1 = R3_1/C;
R4_1 = Rab(R4R1) + gngauss(sgma);
T4_1 = R4_1/C;
R5_1 = Rab(R5R1) + gngauss(sgma);
T5_1 = R5_1/C;
R6_1 = Rab(R6R1) + gngauss(sgma);
T6_1 = R6_1/C;
R7_1 = Rab(R7R1) + gngauss(sgma);
T7_1 = R7_1/C;
h = 1/2*[HH(R2_1X2Y2X1Y1);HH(R3_1X3Y3X1Y1);HH(R4_1X4Y4X1Y1);HH(R5_1X5Y5X1Y1);HH(R6_1X6Y6X1Y1);HH(R7_1X7Y7X1Y1)];
Ga = -[X2_1Y2_1R2_1;X3_1Y3_1R3_1;X4_1Y4_1R4_1;X5_1Y5_1R5_1;X6_1Y6_1R6_1;X7_1Y7_1R7_1];
EQ = diag([T2_1_fangcha;T3_1_fangcha;T4_1_fangcha;T5_1_fangcha;T6_1_fangcha;T7_
属性 大小 日期 时间 名称
----------- --------- ---------- ----- ----
文件 4617 2011-08-10 10:24 Fang_Taylor_Chan\Chan.asv
文件 4617 2011-08-10 10:26 Fang_Taylor_Chan\Chan.m
文件 15512 2011-05-08 19:01 Fang_Taylor_Chan\chanpk.m
文件 8697 2011-05-08 19:01 Fang_Taylor_Chan\Chan_Taylor_Fang4PK.m
文件 12227 2011-05-08 19:01 Fang_Taylor_Chan\Chan_Taylor_Fang4PK_COST.m
文件 8773 2011-05-08 19:01 Fang_Taylor_Chan\Chan_Taylor_Fang5PK.m
文件 12298 2011-05-08 19:01 Fang_Taylor_Chan\Chan_Taylor_Fang5PK_COST.m
文件 8890 2011-05-08 19:01 Fang_Taylor_Chan\Chan_Taylor_Fang6PK.m
文件 12327 2011-05-08 19:01 Fang_Taylor_Chan\Chan_Taylor_Fang6PK_COST.m
文件 8962 2011-05-08 19:01 Fang_Taylor_Chan\Chan_Taylor_Fang7PK.m
文件 12057 2011-05-08 19:01 Fang_Taylor_Chan\Chan_Taylor_Fang7PK_COST.m
文件 72 2011-05-08 19:01 Fang_Taylor_Chan\distance.m
文件 2137 2011-05-26 21:09 Fang_Taylor_Chan\Fang.asv
文件 2137 2011-05-26 21:09 Fang_Taylor_Chan\Fang.m
文件 789 2011-05-08 19:01 Fang_Taylor_Chan\gngauss.m
文件 189 2011-05-08 19:01 Fang_Taylor_Chan\GT3.m
文件 268 2011-05-08 19:01 Fang_Taylor_Chan\GT4.m
文件 347 2011-05-08 19:01 Fang_Taylor_Chan\GT5.m
文件 426 2011-05-08 19:01 Fang_Taylor_Chan\GT6.m
文件 505 2011-05-08 19:01 Fang_Taylor_Chan\GT7.m
文件 73 2011-05-08 19:01 Fang_Taylor_Chan\HH.m
文件 43 2011-05-08 19:01 Fang_Taylor_Chan\Ka.m
文件 95712 2011-05-08 19:01 Fang_Taylor_Chan\matlab_4bsPK.mat
文件 104280 2011-05-08 19:01 Fang_Taylor_Chan\matlab_4bsPK_COST.mat
文件 96248 2011-05-08 19:01 Fang_Taylor_Chan\matlab_5bsPK.mat
文件 104960 2011-05-08 19:01 Fang_Taylor_Chan\matlab_5bsPK_COST.mat
文件 96824 2011-05-08 19:01 Fang_Taylor_Chan\matlab_6bsPK.mat
文件 105680 2011-05-08 19:01 Fang_Taylor_Chan\matlab_6bsPK_COST.mat
文件 97448 2011-05-08 19:01 Fang_Taylor_Chan\matlab_7bsPK.mat
文件 106448 2011-05-08 19:01 Fang_Taylor_Chan\matlab_7bsPK_COST.mat
............此处省略11个文件信息
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