讨论了井眼轨迹预测和控制计算方法。
This paper discusses the basic principles of predicting and controlling the wellbore trajectory.
提出了基于新增虚拟节点的多机系统受扰轨迹预测方法。
An algorithm for predicting the perturbed trajectories in a multi-machine system is proposed based on an additional virtual node.
上肢伸展姿势及运动轨迹预测是工效学领域的前沿课题。
Upper body reach posture and trajectories prediction has been one of the focus topics. in the field of Human Factors.
飞机投放外挂物的分离轨迹预测在气动设计领域是一个很重要的课题。
The prediction of the separation trajectories of the external stores carried out on aircraft is an important task in the aerodynamic design area.
本文研究了机场场面管理系统中的重要环节——滑行道轨迹预测算法。
This paper studies on the important role of SMS(Surface Management System), that is taxi prediction algorithms.
提出建立自适应列车运动轨迹预测模型，并对如何提高定位精度进行了分析。
A model is built on the basis of the moving law of the train to predict the train location and analysis is made as regards how to reduce positioning errors.
通过将优化算法与卡尔曼轨迹预测相结合，解决了目标运动速度过快和全部遮挡问题。
Furthermore, the target moving fast and entire occlusions are resolved through combining the optimal algorithm with the Kalman forecast.
对运动物体进行光学跟踪及轨迹预测，在飞行器导航、机器人路径规划等方面一直是个研究热点。
The research of motion optical tracking and prediction is important for many fields, such as aerocraft navigation, robot path planning and so on.
由于现有技术较为薄弱，加之时间有限，文本在裂纹转折和裂纹扩展轨迹预测上的研究只是初步的。
Because the existing technique is weaker, and the time is limited, the research of the text in the crack turning and predicting crack propagating trajectory is primary.
为了满足实际多机系统在线轨迹预测的要求，引入轨迹聚合技术对多机轨迹进行聚合，进一步减少了计算量。
In order to satisfy the online trajectory prediction of multi-machine system, polymerization technology of trajectories was used to reduce the computing burden.
从水平定向钻进的工程实际出发，借助于现场钻进数据库，建立了自然参数模型，给出了相应的钻孔轨迹预测算法。
A natural parameter model to forecast the direction of the actual borehole based on the local drilling database in practical situation is studied.
采用基于最小偏差估计(LAD)准则的滑动局部多项式拟和目标的运动轨迹，并用拟和的运动轨迹预测目标在下一时刻的位置。
Target trace is fitted by sliding subsection polynomials based on least absolute deviation (LAD) estimation, and the future location of target is predicted with the fitted trace.
艾萨克·牛顿在其后发现彗星沿椭圆轨迹移动，处于环绕太阳的椭圆形轨道上，他还准确地预测了彗星能够一次又一次地回归。
Isaac Newton later discovered that comets move in elliptical, oval-shaped orbits around the Sun, and correctly predicted that they could return again and again.
正如长跑运动员在特定的路线上跑步一样，我们都将以一种大致可以预测的轨迹经历人生。
Like distance runners on a measured course, all of us will move through time in a roughly predictable pattern.
试验结果表明秸秆抛出后的轨迹遵从抛物线规律，同理论预测的结论一致。
The results show that the trace is similar to the quadratic curve predicted by theory.
在具有控制和轨迹约束的再入制导中，提出了一种新的基于多模型预测再入飞行器纵向制导方法。
A new method based on multi-model prediction is proposed for the longitudinal guidance of re-entry vehicles with trajectory and control constraints.
这一模型可用于预测循环床中颗粒相的速度、颗粒轨迹和颗粒相浓度。
The model is used to predict the velocity, particle trajectory and concentration of the particle phase in circulating fluidized bed.
文中最后对轨迹分析方法应用于害虫异地预测的作用进行了讨论。
The use of trajectory analysis on forecasting with source regions data of migrant insectS are also discussed.
对钻头在钻进过程中的受力分析是准确预测钻头轨迹的基础。
The mechanical analysis of the bit in the process of drilling is the bas- is of bit trajectory prediction.
它利用了混沌对初始条件敏感、轨迹具有不可预测性的特点来产生跳频序列。
It utilizes the characteristic of sensitivity to initialization and indeterminism to contrail, so chaotic property determines the performance of chaotic sequence.
利用该建模方法，给出了地面运动目标轨迹的灰色自适应预测模型。
With the modeling method, the paper gives the gray self -adaptive forecast model of the ground mobile target.
因此，准确地预测裂纹转折从而准确地预测裂纹扩展轨迹是整体结构断裂力学研究的一个重点内容。
Therefore, predicting crack turn accurately and predicting the crack propagating trajectory accurately is a important researching content of fracture mechanics for integrally structure.
而约束预测控制器则在考虑机械臂物理约束的情况下，为跟踪控制器提供最优参考轨迹。
The constrained predictive controller with consideration of the physical constraints can provide an optimal reference trajectory for tracking controllers.
用基于图象的视觉伺服方法来预测特征点在图象平面的运动轨迹。
Trajectories of feature points on image plane were predicted by image-based visual servo method.
对可预测的直线轨迹、曲线轨迹对其算法和所编写程序的正确性进行了验证。
The correctness of predictable straight line trace, curve trace, their algorithm and the combing program was testified.
分析了采用卡尔曼预测进行目标跟踪引起的误差、估计了运动轨迹和搜索范围。
X direction average error of object tracing using Kalman forecast is analyzed, and track and search range are estimated.
详细论述了轨迹跟踪控制器和约 束预测控制器的设计原理。
The constrained predictive controller with consideration of the physical constraints can provide an optimal reference trajectory for tracking controllers.
详细论述了轨迹跟踪控制器和约 束预测控制器的设计原理。
The constrained predictive controller with consideration of the physical constraints can provide an optimal reference trajectory for tracking controllers.
应用推荐