基于多普勒频率变化率和方位的机动目标无源跟踪算法  

Maneuvering Target Passive Tracking Algorithm Based on Doppler Frequency Rate and Azimuth

作　　者：王骏[1] 吕昆峰 刘梅[2] WANG Jun;LV Kun-feng;LIU Mei(Southwest China Research Institute of Electronic Equipment,Chengdu 610036;School of Electronics and Information Engineering HIT,Harbin 150000,China)

机构地区：[1]中国电子科技集团公司第二十九研究所,四川成都610036 [2]哈尔滨工业大学电子与信息工程学院,黑龙江哈尔滨150001

出　　处：《指挥控制与仿真》2018年第4期38-44,56,共8页Command Control & Simulation

摘　　要：对于具有频率和方位角测量能力的雷达系统而言,多普勒频率变化率中包含目标的距离信息。将多普勒频率变化率这一测量,和方位角测量进行联合观测,在一定条件下能提高对目标的跟踪精度。分析了方位角和多普勒频率联合跟踪时,目标的可观测性问题,提出了一种基于交互式多模型和无迹卡尔曼滤波的机动目标跟踪算法,并对该算法进行了仿真分析,仿真结果表明,该算法可以有效利用方位测量和多普勒频率变化率测量,实现对机动目标的跟踪。For radar systems capable of getting frequency and azimuth measurement, the Doppler frequency change rate contains the distance information of the target. By combining the measurement of Doppler frequency change rate with azimuth measurement, the tracking accuracy of target can be improved under certain conditions. This paper analyzes the objective observability problem in ditterent circumstances, a maneuvering target tracking algorithm based on interactive multiple model and Unscented Kahnan filter is proposed, and the simulation results show that the algorithm can realize tracking of maneuvering targets by combining the measurement of Doppler frequency change rate with azimuth measurement.

关 键 词：交互式多模型 多普勒频率变化率 无迹卡尔曼滤波 机动目标跟踪 

分 类 号：E911[军事] TN966[电子电信—信号与信息处理]