摘要：描述了基于矢量分析和NURBS的数控加工轨迹设计方法。
Abstract: a tool path generation method is presented for NC machining based on vector analysis and NURBS.
刀具运动轨迹设计质量的好坏，将直接影响零件的加工质量及加工成本。
Whether the tool path quality is good or bad will directly affect the machining and the machining cost of part.
叙述了在定向钻进的钻孔轨迹设计时，地面不平整度修正的方法与应用。
Method and its application of uneven ground modifying in directional drilling locus design are narrated in this article.
刀具运动轨迹设计质量的好坏，将直接影响零件的加工质量及加工成本。
Whether the tool path quality is good or bad will directly affect the machining quality and the machining cost of parts.
在井网规划、轨迹设计、注水开发等过程中，裂缝系统都起着举足轻重的作用。
In the process of planning well network, preserving reservoir, designing route, waterflood development, fracture system all take an important part.
追踪航天器在制导机动失效后的飞行轨迹的安全性，是最终平移段标称轨迹设计的主要依据。
The safety mode design of final translation trajectories of space rendezvous is investigated in this paper.
本文从图像元素设计、动态效果设计、运动轨迹设计三个方面，讨论了多媒体软件中“小助手”的设计方法和技巧。
This paper has discussed "a small assistant" 's design method and skill in multimedia software from three respects such as element design, dynamic result design and sport orbit design, etc.
本文将非线性不等式约束下的非线性数学规划理论引入到水平井待钻井眼轨迹设计中，提出了水平井待钻井眼轨迹的最优化设计方法。
The paper introduces the nonlinear programming method under nonlinear constraints to well trajectory design while drilling and puts forward an optimization method for well trajectory design.
并对弯曲过程的数学模型、弯曲机械手的轨迹设计及实际进给量的计算方法等理论进行了研究，为弯曲木的加工实现数控化奠定了基础。
The mathematical model of the bending process, the track design of bending manipulator and the calculate method are also studied to made the bending wood can be machined by numerical control.
车辆的设计使其能够探测车道，人行道以及其它交通工具；评估坡道，同时计划轨迹，启动以及控制。
The vehicles are designed to detect lanes, pedestrians, and other vehicles; estimate slope terrain; as well as plan trajectory, actuation, and control.
应该能够通过在进行设计决策来支持特定需求时添加的链接(轨迹)，以确定在设计中对此需求进行了何种处理。
You should be able to tell how the requirement was addressed in the design with the links (traces) that you added at the time you made design decisions to support that specific requirement.
图形设计师和电子艺术家极为依赖于搭配触控笔的轨迹板，不过，这并没有多少利润。
Graphic designers and digital artists rely heavily on pen-based tablets for input, but otherwise, the interest simply isn't there.
在那个盒子里，科学家用假鱼设计了游动轨迹，基本上，那是由橡胶鱼鳍形成的，和真正的鱼游轨迹十分相似。
Inside the box, the scientists created a trail with their artificial fish, which was essentially a rubber fin on a stick that created a trail similar to the swimming motion of a real fish.
但是在这些设计文档里面嵌入了一些信息，而这些信息表达了板子更深的粒度信息：板子上连接元件的轨迹。
However, there is information embedded in these design artifacts that describe a deeper level of granularity in the board itself: the traces that connect the components on the board.
任务设计师通过略微移动火箭发动机喷口对飞行轨迹做了一些微调以测量它对推进器的影响。
Mission designers have added little tweaks to the flight profile to move the rocket?
设计了一基于模型的计算力矩控制算法，并深入探讨了其应用于三种不同轨迹规划方法下的控制性能。
A model based control scheme employing computed-torque control has been presented, and its applications in three different path planning methods have also been discussed.
采用沿约束轨迹的推演计算方法及优化原理对航天飞机自动着陆飞行轨迹进行优化设计。
This paper applies the technique of constrained trajectory propagation and optimal theory to design the autolanding trajectory for a space shuttle.
设计一个算法来匹配的轨迹？
介绍一种图解和解析法相结合的统一的作平面连杆运动规律和运动轨迹的设计方法。
The paper introduces a kind of designing method of connecting rod motion law and motion locus, which combines a diagram with analytic method.
重点介绍了该井定向侧钻及井眼轨迹控制的设计与施工情况。
This paper mainly discussed the designation and operation of directional sidetracking and well track control.
为了研究重复使用运载器末端能量管理段的下滑轨迹线设计，给出了基于高度和动压的质点动力学的设计方法。
To research the trajectory design method for terminal area energy management(TAEM) of reusable launch vehicle(RLV), the method basing on nonlinear equations of motion is designed.
这对利用轨迹来设计齿轮—五杆机构中的各参数具有很重要的指导意义。
This is very helpful to design geared five-bar's parameters using locus curves.
只有当你每日清晨醒来，按着梦想轨迹去设计日程，那才是成功。
When you wake up every morning and create your day exactly how you dream it to be, that is success.
归航轨迹的设计和优化对实现翼伞系统的精确空投至关重要。
Design and optimization of homing trajectory is essential for accurate aerial delivery of parafoil system.
在MATLAB环境下对汽车运动控制系统进行PID和根轨迹的设计和校正。
Auto kinetic control system was adjusted by PID and roots locus methods in the condition of MATLAB.
结合弹簧模型、变密度法和拓扑优化工具，研究了实现平面可控轨迹输出柔顺机构的设计方法。
This paper described the use of spring model, penalized density method and topology optimization as a synthesis tool for the design of controllable path-generating compliant mechanisms.
本文最后设计了直升机模糊pd轨迹跟踪控制器，与姿态角控制器相结合，完成对整个飞行控制系统的设计。
Finally, the dissertation designed the fuzzy PD controller of trajectory tracking, which is combined with attitude Angle controller, so that the whole flight controller is completed.
本文最后设计了直升机模糊pd轨迹跟踪控制器，与姿态角控制器相结合，完成对整个飞行控制系统的设计。
Finally, the dissertation designed the fuzzy PD controller of trajectory tracking, which is combined with attitude Angle controller, so that the whole flight controller is completed.
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