›› 2012, Vol. 25 ›› Issue (4): 47-.

• 论文 • 上一篇    下一篇

卡尔曼滤波在被动目标跟踪系统中的应用

韩春雷,陈赤联,宋明,杨利   

  1. (中国电子科技集团公司第20研究所 通信事业部,陕西 西安 710068)
  • 出版日期:2012-04-15 发布日期:2012-04-17
  • 作者简介:韩春雷(1982—),男,助理工程师。研究方向:天线通信。

Application of Kalman Filter in Passive Target Tracking

 HAN Chun-Lei, CHEN Chi-Lian, SONG Ming, YANG Li   

  1. (Comunication Business Unit,NO.20 Institute,CETC,Xi'an 710068,China)
  • Online:2012-04-15 Published:2012-04-17

摘要:

针对卡尔曼滤波方法在双观测站被动目标跟踪系统中的应用进行了研究。建立了双观测站被动跟踪系统的非线性滤波模型,通过扩展卡尔曼滤波方法在该非线性模型下的具体实现步骤。分析了目标通过不同角度向观测站袭来时,卡尔曼滤波算法对目标参数估计的精度,验证了扩展卡尔曼滤波方法在被动目标跟踪中的有效性。仿真结果表明,目标参数估计的精度与观测的目标方位角变化率有关,变化率越大,估计误差越小。

关键词: 被动目标跟踪, 非线性滤波, 卡尔曼滤波, 扩展卡尔曼滤波

Abstract:

The applications of Kalman filter in bistatic passive target tracking systems are discussed.The nonlinear model of bistatic passive tracking systems are discussed first,and then the procedures for extended Kalman filter which applied to such model are analyzed.The accuracy of estimation of different angle between the targets and passive systems are investigated by computer simulations.Simulation results illustrate that the extended kalman filter can achieve accurate parameter estimation.Moreover,the faster the angle between the target and the passive systems changes the smaller error is to be expected.

Key words: passive target tracking;nonlinear filter;Kalman filter;extended Kalman filter

中图分类号: 

  • TN953