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Position and Velocity Computer 位置与速度计算机
Ephem eris DE4 0 5 was use to determ ine the position and velocity of the moon and the sun. 本文首先建立中途修正的模型 ,其中月球和太阳的位置由 DE4 0 5得到。
In a system, no two Fermions can occupy the same quantum state (position and velocity). 在一系统中;不能有两粒费米子占据相同的量子态(位置与速度).
The minimum boundary mutation can limit the scope of particles' position and velocity, as well as keep the direction of them. 而最小值边界变异既能有效地限制了粒子位置或速度的幅值，同时可以保持粒子的飞行方向。
Then it is processed by Kalman filter, which yields position and velocity estimations.The problem of recovery is impl... 仿真结果证实了这种方法的可行性,它适用于凸极永磁同步电机低速和零速时的转子位置和速度估计。
In this research, we also compare the position and velocity root mean square (RMS) errors of TIMM and IMM algorithms with two different examples. 通过2个不同的例子，对由TIMM和IMM这2种算法产生的均方根误差进行比较。
Uncertainly Principle is not only limited in this two physical quantities (position and velocity), it can also be applied to other physical quantities such as energy and time. 测不准原理不单止适用于此两个物理量(位置与速度);它也适用于其他的物理量(例如能量与时间).
The method requires using the GPS position and velocity, INS, and pitot tube so as to precisely estimate the aerodynamic coefficients by Least Square Method. 方法为采用GPS提供速度与位置，惯性感测元件提供加速度、角速度与姿态，最后以最小平方法估算各项参数值。
The initial position and velocity of pulverized coal at oxygen-coal lance outlet has been proposed,thus injection of pulverized coal in the blast furnace can be simulated. 给出了氧煤枪出口处煤粉颗粒初始位置和初始速度的分布，从而为高炉煤粉喷吹的数值模拟打下了基础.
In this paper,a model of estimating the rotor s position and velocity is proposed and used to detect back-EMF of non-conducted phase of BLDCM through Extended Kalman Filter. 从介绍扩展卡尔曼滤波算法原理入手,建立了以不导通相反电势为基础的无位置传感器无刷直流电机的状态观测模型,估算出电机转子位置和速度,最后对模型进行了仿真并给出了仿真结果。
Moreover,this paper also added two feedforward items into thrust control angles so as to eliminate the effect produced by the initial position and velocity errors. 同时,在推力角中引入前馈项,用于消除初始位置和速度偏差对软着陆的影响。
A new method was proposed for the solution of an important class of multidimensional signal detection problems: the detection of dim,small and moving targets of unknown position and velocity in heavy clutter in a sequence of digital images. 提出了一种新的方法应用于一类重要的高维信号检测问题:在强杂波干扰下检测数字图像序列中位置和速度未知的弱小运动目标.
There's no analogy between his position and yours. 他的见解与你的并无相似之处。
In this system the attitude of the strapdown star tracker(SST),the position and velocity of GPS,and the correspondence information of SINS are filtered to improve navigation precision of attitude,velocity and position. 该组合导航系统将捷联星光跟踪仪的姿态信息、高动态GPS的位置、速度信息与捷联惯导进行组合滤波;全面提高导航的姿态、速度和位置精度.
Simulation experiments show that the S-curve velocity planning algorithm is more capable of tracking position and velocity,thus achieving high speed and high precision in Cartesian space. 仿真实验表明;S形速度规划算法在笛卡儿坐标中能够获得具有更好的位置和速度跟踪性能的高速高精度运动.
According to the relative position and velocity between the interceptor and target, a self-adaptive spline filtering approach for line-of-sight (LOS) rate by LOS angle sequence is presented. 依据拦截器与目标间的相对位置、速度关系,提出了基于视线角序列的视线角速率自适应样条滤波算法。
First, a simple rotor position estimating technique is presented.By measuring the stator current and compensating for the influence of the back EMF, the rotor position and velocity can be estimated. 首先，提出一种简单的转轴角度估测方法，经由侦测定子电流，并适当地补偿电动机的反电势的影响，即可准确估测永磁同步电动机的转轴角度与速度。
Passive bearings-only target motion analysis (BO-TMA) is to estimate the position and velocity of a target from bearing measurements with corrupted noise obtained by an observation platform. 被动式纯方位目标运动分析（BO-TMA）是一种从探测器所观测到的加噪方位信息中估计目标运动要素的方法。
The hardware circuit and software desig ned were g iven,the measure method of position and velocity was descri bed.It was shown by experiment that the use of the AVR sing le-slice pro cess can impr... 实验表明采用这种单片机设计的伺服系统能提高系统实时性,简化接口硬件,提高抗干扰能力,在实际应用中可以取得较好的控制效果。
Acceleration and velocity are both vectors. 加速度和速度都是矢量。