1) One's foot steps are not fixed
行踪无定
2) The trail duck-weed is uncertain
萍踪无定
3) Movements very uncertain
行踪靡定
5) Wireless locating and tracking
无线定位及跟踪
6) passive location and tracking
无源定位跟踪
1.
A new method of the modified covariance extended Kalman filtering(MVEKF) was applied to passive location and tracking using three satellites for moving target in this paper.
把一种新的修正协方差扩展卡尔曼滤波(MVEKF)方法引入三星对运动目标的时差无源定位跟踪中,克服了EKF受初始状态和测量误差影响大的缺点,也不用像MGEKF一样需要观测方程的修正函数,仿真表明该滤波方法相对来说收敛速度更快,跟踪性能更好。
补充资料:行踪
1.见"行踪"。
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