Computer Engineering and Applications ›› 2011, Vol. 47 ›› Issue (15): 83-85.

• 网络、通信、安全 • Previous Articles     Next Articles

Improved particle filtering algorithm for target tracking in WMSN

ZHENG Juanyi   

  1. School of Communication and Information Engineering,Xi’an University of Posts and Telecommunications,Xi’an 710121,China
  • Received:1900-01-01 Revised:1900-01-01 Online:2011-05-21 Published:2011-05-21



  1. 西安邮电学院 通信与信息工程学院,西安 710121

Abstract: Target tracking theory about wireless mobile sensor network is analyzed and basic particle filtering technology is proposed.An improved particle filtering algorithm is given after modifying the important density function and the resample technology.The improved particle filtering algorithm has better tracking accuracy than basic particle filtering after simulation,and can be used in places emphasis on tracking accuracy in wireless mobile sensor network.

Key words: particle filtering, target tracking, wireless mobile sensor network

摘要: 分析了无线移动传感器网络中目标的跟踪原理,研究了基本粒子滤波算法的主要技术。对基本粒子滤波的重要性函数和重采样技术进行改进后,给出了一种提高基本粒子滤波算法跟踪精度的方法。通过仿真比较可以看出改进粒子滤波算法有较好的跟踪精度。在无线移动传感器网络中强调跟踪精度的场合,改进的粒子滤波算法会有更好的跟踪效果。

关键词: 粒子滤波, 目标跟踪, 无线移动传感器网络