摘要
双平台无源定位系统中虚假定位点的排除是一个尚待解决的重要问题。针对这一问题,利用传感器测角精度作为一个门限,提出了一种新方法。该方法首先用最小二乘法求出目标位置的估计值,并算出该估计值相对于基准平台的俯仰角;其次算出该角度与基准平台实际俯仰角的差值并用该值和门限作比较,大于门限的看成虚假点排除。仿真结果表明,该方法能大大提高关联正确率。
Eliminating the ghosts is a very important unsolved problem in two passive location systems. Focused on this problem, a new method using the angle precision as a threshold was proposed. First, the elevation between the estimation and the main observer was compared. Then, this angle was compared with the practical elevation of the main observer. If the difference is higher than the threshold, the estimation is considered as a ghost. Simulation results show that this method improves the correct probabilities of data association a lot.
出处
《弹箭与制导学报》
CSCD
北大核心
2008年第4期256-257,301,共3页
Journal of Projectiles,Rockets,Missiles and Guidance
关键词
无源定位
最小二乘
虚假定位点
数据关联
passive location
least square
false location point
date association
