一种改进的纯方位目标运动分析方法研究  

Research on an improved bearing only target motion analyse method

作　　者：舒象兰[1] 孙荣光[1] 马鑫[1] 

机构地区：[1]海军潜艇学院,山东青岛266042

出　　处：《舰船科学技术》2015年第11期124-127,共4页Ship Science and Technology

摘　　要：本文分析了观测目标初始方位的准确度对纯方位目标运动分析跟踪性能的重要影响。在此基础之上,基于匹配场处理思想提出一种改进的纯方位目标运动分析方法,该方法将目标的初始方位作为待估计量,在目标初始方位可能的空间内进行搜索,构成多个滤波器估计出不同目标初始方位下对应的目标运动参数,并分别推算出目标方位序列作为预测场,根据推算的目标方位序列与实际观测的目标方位序列的匹配性确定目标的实际初始方位,从而实现对目标速度、航向、初始距离、初始方位四要素的完整估计。仿真结果表明,本文方法能够有效提高纯方位目标运动分析方法的跟踪性能。In this paper,the influence of the initial observed bearing to the bearing only TMA is analyzed. Based on the matched field concept,an improved bearing only TMA method is proposed,in the new method,the initial bearing is considered as a parameter needed to be estimated. In the possible initial bearing space,multiple filters are composed to estimate the target motion parameter respectively,let the bearing series calculated by each filter as the forecasted field,and let the bearing observed as the observed field,then based on the matching of the forecasted filed and the observed field the optimal initial bearing is estimated,the filter output of the optimal initial bearing give the optimal target motion parameter estimation,by the new method,the velocity,course,initial range,and initial bearing of the target are estimated integrally. The simulation shows that the new method improves the performance of the bearing only TMA.

关 键 词：初始方位 纯方位目标运动分析 匹配处理 

分 类 号：TP391.9[自动化与计算机技术—计算机应用技术]