摘要
研究了纯方位系统中的定位模糊区面积和无源传感器所测得的方位角大小之间的关系问题,该问题的研究对于实现无源传感器的合理布置提高定位精度具有一定的理论和借鉴意义。以往对此问题的研究是在目标到基线的距离等于常数的前提下给出的,在不受这个条件约束下以整个探测区域为背景进行了研究,并通过数学推导给出了模糊区面积达到最小时的交会角大小。通过仿真分析给出了模糊区面积与两个无源观测站所测得的方位角以及与交会角之间的关系,得出了相关的结论,从而可实现纯方位定位系统中多个无源传感器合理布置或优化选择。
The ambiguous location area in the bearing-only location system is studied. In the past many re searchers studied this problem on the assumption that the distance between the target and the baseline is a constant The study is made independent of this restriction, and the optimal cut angle of the whole detection area when the am biguous location area is minimum is given. The relationship between the ambiguous location area and the bearing mea surements of passive sensors or the cut angle is shown in simulation, and some conclusions are drawn.
出处
《系统工程与电子技术》
EI
CSCD
北大核心
2005年第8期1391-1393,1424,共4页
Systems Engineering and Electronics
基金
国家自然科学基金(60172033)
全国优秀博士论文作者专项基金(20000362002037)资助课题
关键词
纯方位定位
交会角
定位模糊
bearing-only location
cut angle
ambiguous location
