基于方位数值拟合的目标机动改变判断  

Judgement of Target Maneuveing Based on Polynomial Fitting for Azimuth

作　　者：程健[1] 肖滨[1] 

机构地区：[1]海军潜艇学院,山东青岛266071

出　　处：《指挥控制与仿真》2008年第6期56-58,共3页Command Control & Simulation

基　　金：国家863高技术计划项目(2002AA115130);国家973重大基础研究项目(51306)

摘　　要：被动声纳和侦察雷达等传感器材对目标的探测仅能获取目标方位信息。虽然基于纯方位信息和探测平台机动位置的方位平差法,能够解算得出定向定速运动目标的要素,然而在实际作战应用中,目标可能会频繁地出现转向机动,使运动要素永远也不可能收敛。判明目标改变机动具有十分重要的战术价值。本文研究给出了一种基于时间方位拟合的目标转向运动判断方法,并结合典型态势进行了仿真分析,得出了拟合判断参数,研究结果为目标运动要素解算控制、潜艇查明水面舰艇巡逻线等作战应用提供目标转向判断依据。与方位滤波方法相比,这一方法概念清晰、算法简单、实用性强。The detection for target of passive sensors such as sonar and reconnaissance radar can gain only azimuth in general. Even though movement elements of target with constant velocity and course can be solved on target azimuths and detector＇s locations, in actual, target may change both course and velocity so frequently that its movement element can＇t be solved. Estimating target changing maneuver has been proved with important tactical value. An estimation method based on polynomial fitting for measured azimuth is researched, and fitting parameters are educed with simulation for representative situation. The result can serve tactics such as controlling solving target movement parameters, submarine finding out patrol line of warship. Compared with filter method, this method has clear concept, laconic arithmetic and good practicability.

关 键 词：方位 判断 仿真 拟合 

分 类 号：O241.5[理学—计算数学] E911[理学—数学]