J4 ›› 2014, Vol. 41 ›› Issue (3): 209-213.doi: 10.3969/j.issn.1001-2400.2014.03.032

• 研究论文 • 上一篇    下一篇

自适应变长滑窗曲线拟合时间配准算法

雍霄驹;方洋旺;高翔;杨鹏飞   

  1. (空军工程大学 航空航天工程学院,陕西 西安  710038)
  • 收稿日期:2013-03-19 出版日期:2014-06-20 发布日期:2014-07-10
  • 通讯作者: 雍霄驹
  • 作者简介:雍霄驹(1987-),男,空军工程大学博士研究生,E-mail: yongxiaoju1987@126.com.

Time registration using the curve fitting algorithm of the adaptive changed length moving window

YONG Xiaoju;FANG Yangwang;GAO Xiang;YANG Pengfei   

  1. (College of Airospace Engineering, Air Force Engineering Univ., Xi'an  710038, China)
  • Received:2013-03-19 Online:2014-06-20 Published:2014-07-10
  • Contact: YONG Xiaoju

摘要:

针对曲线拟合的时间配准算法存在窗口长度选择的问题,提出了一种基于运动模式转变的自适应窗口长度选择算法.将目标运动模式分为类直线运动和曲线运动两种模式,通过对每个数据点目标运动轨迹斜率的近似运算,确定运动模式突变点以及目标在时间配准点的运动模式,从而自适应地确定配准点窗口长度.仿真结果验证了文中算法在大时延、目标大机动条件下仍然具有较强的可靠性.

关键词: 时间配准, 曲线拟合, 数据融合, 多传感器

Abstract:

Aimed at the problem of the window length chosen in the time registration algorithm based on curve fitting, an adaptive window length chosen algorithm based on the mode of the movement of a target is proposed. The movement of the target is divided into like-linear mode and curvilinear mode, and the slope of the trace of the target at each data point is calculated, so the state breaking point and the mode of movement at the point of time registration can be confirmed and the length of the window is chosen adaptively. Large numbers of simulations show the reliability of this algorithm under the condition of time delay and the maneuvering target.

Key words: time registration, curve fitting, data fusion, multi-sensor