查询词典 tracking

Establishment of optoelectronics industry supply chain order tracking system for Mobile Agent Framework Model.Specific realization of the Mobile Agent in order tracing system under IBM Aglet platform development environment and Mobile Agent technology, combined with the order tracking demand model of optoelectronics industry model.

3建立光电子行业供应链订单跟踪系统移动Agent框架模型，在IBM Aglet开发平台环境下，结合光电子行业订单跟踪的需求模型，对供应链订单跟踪系统进行设计，并对具体的各移动Agent进行了实现。

This paper research some problem of the tracked mobile robot' s path planning and tracking. There are some points as follows: 1 Introduce the airmanship technology and presently research situation in path planning and path tracking of the mobile robot, introduce the robot' s sensor system, analyze kinematics character of the tracked mobile robot.

本文就履带式移动机器人路径规划和路径跟踪的一些问题开展了如下工作： 1、介绍了移动机器人的导航技术和目前路径规划和路径跟踪的研究状况，介绍了机器人的传感器系统，并分析了履带式移动机器人的运动学特征。

When it is impossible to eliminate tracking error completely, performance weighting function is selected to guarantee small tracking error which is allowable in project. This choice method of parameter is very simple.

在完全跟踪不可能实现的情况下，讨论性能权重函数的选取，保证了跟踪误差收敛于实际工程容许的范围内，且参数选择非常简单。

The system adopted active tracking, namely calculate the input angle of the tracking device in advance, the angle is correspondent to the sun position some moment.

即预先计算好对应于某时刻太阳位置的跟踪机构的输入角度，通过跟踪器上平台

The system adopted active tracking,namely calculate the input angle of the tracking device in advance,the angle is correspondent to the sun position some moment.Photoelectric sensors react the sunlight that putting on different position of the platform, feedback electrical signal.Then single-chip applys the subprogram and sends out pulse to step motors according to the signals,can control the rotate angle and direction of the step motor. The mechanism has realized the automatic track to the sun, so that the trackers top flat board can be always vertical to the sunlight and arrive the furthest receiving energy.

系统采用主动式跟踪，即预先计算好对应于某时刻太阳位置的跟踪机构的输入角度，通过跟踪器上平台不同位置上摆放的光电传感器感受该太阳位置的光照，反馈回电信号，单片机根据该信号调用子程序发出脉冲对步进电动机的转动角度和方向进行控制，实现了机构对太阳的自动跟踪，使跟踪装置的上平台始终处于垂直于光照方向，达到了能量最大限度的接收。

With the demand of quick respond and precision for missile flight in terminal guidance, an adaptive nonlinear controller is designed that guarantees tracking performance when the uncertain parameters vary within stability bound. In order to achieve asymptotic tracking, adaptation is introduced to enhance closed-loop robustness, while mach number and mass changes with 35%.

文中根据导弹响应快和精度高的基本要求，在导弹变向跟踪接近目标时，对导弹制导控制过程中的控制方法进行研究和数学推导，提出了一种导弹末制导的自适应控制方法，该方法提高了导弹马赫数和质量在较大范围（35%）内变化时系统的响应精度和稳定性。

The desired signal in the auxiliary antennas may cause angle measurement error by using adaptive sidelobe cancellation in tracking radar. If not effectively encountered, it prevents successful radar target tracking.

跟踪雷达应用自适应旁瓣对消时辅助天线中的期望信号会引起测角误差，若不采取应对措施，雷达无法对目标进行有效跟踪。

The experimental simulation results show that the average tracking error of the proposed algorithm is reduced by 50% as compared with that of single target tracking method.

实验仿真结果表明，与单一的目标跟踪算法相比，本文算法的平均跟踪误差减小了一倍以上。

Combined with the Foundation Research (Avigation science fund 04D52032)"study on CFAR detecting expert system base on clutter tracking".This paper study the fractal technic and snake algorithm on the application of clutter tracking.

本课题结合航空科学基金"基于杂波跟踪融合的恒虚警检测专家系统研究"，研究分形技术和snake算法在杂波跟踪中应用，设计了相应的算法，通过分析真实数据和仿真数据验证了算法的有效性。

The paper is based on the practical application of certain armed helicopter's barbette tracking system, which has discussed the model of AC servo system, the testing and modeling of certain micro-machined velocity gyro. The article also studied the tracking quality in which the system has used the motor encoder and the velocity gyro as the velocity loop feedback respectively.

以某武装直升机炮塔随动系统实际应用为背景，讨论了交流伺服系统的数学模型、微机械速率陀螺的测试与建模；研究了分别以电机编码器和速率陀螺输出信号作为速度环反馈时，系统输出的跟踪特性。

More direct, directer ; most direct, directest

径直的，笔直的

Do you know how to use a chain saw?

你知道如何使用链锯吗？