二维TOA定位中的最小GDOP问题OACSTPCD
Lowest GDOP of 2-D TOA-positioning Systems
基于二维TOA定位的Cramer⁃Rao下界，对传感器测量精度不尽相同的一般情形，推导获得了最优GDOP值及其充要条件，并利用GDOP等值线图进行了验证。结果表明，最佳的GDOP 值是传感器测量精度的简单表达式，或一个带约束条件的组合优化问题的最优值。
Based on the Cramer⁃Rao lower bound( CRLB) of TOA positioning in 2⁃D scenarios,the optimal expressions of geometric dilution of precision(GDOP) and its sensor selection conditions are derived,as be demonstrated by contour GDOP maps and simulations.The results show that the lowest GDOP attainable from range measurements of optimally located sensors is a simple expression of the sensors�distance accuracy parameters, or the objective value of a constraine…查看全部>>
何小峰
解放军91404部队，河北 秦皇岛 066001
军事科技
到达时间差最低几何稀释度Cramer-Rao到达时间差定位
TOAGDOPCramer-Rao lower boundTOA-positioning
《指挥控制与仿真》 2014 (6)
52-55,4
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