Experimental results show that using the collision force generation and feedback method, the user can sense realistic impulsive forces via the CyberGrasp data glove caused by virtual collision.
实验结果表明运用所提出的方法，用户在虚拟装配时可感受到真实的碰撞力。
In that virtual version of the gigantic encounter, dark matter falls to the centre of the collision, and then rebounds back out.
在这个虚拟大碰撞中，暗物质先是落在碰撞区的中心，然后又向外反弹。
Collision detection is a key technique in virtual ramble.
碰撞检测是虚拟漫游中的关键技术。
Simulation training system is an important application of virtual reality technology in fields of professional technique teaching and training, and collision detection is needed in many systems of it.
仿真培训系统是虚拟现实技术在专业技术教学和训练中的重要应用，碰撞检测是许多仿真培训系统实现过程中不可缺少的一部分。
But less is discussed on psychological distance problem of human in construction of virtual human, which concerns with the relationship of objects that are still not in collision.
但对人体心理尺度空间问题，涉及尚未碰撞的形体之间的相互关系，目前的虚拟人构建中，很少涉及这一问题。
The key technology of immersion virtual maintenance and training system includes model establishment, collision detection, virtual human control, program control realization, and view drive control.
沉浸式虚拟维修系统的关键技术包括模型建立、碰撞检测、虚拟人控制、程序控制实现和视景驱动控制。
Roam engine, which is all-purpose and independent of model, of virtual environment is designed. Camera control, collision detecting and planar map control are discussed.
设计了较为通用的、与模型无关的虚拟环境漫游引擎，并分析了其中的相机控制、碰撞检测和二维地图控制等技术。
In the virtual reality interactive system of the force-feedback or touch-feedback, fast calculating exact contacted position among virtual objects is precondition of these collision detection systems.
在触觉、力觉交互的虚拟现实系统中，快速计算虚拟物体之间精确接触位置是触觉、力觉交互碰撞检测系统的前提。
The first is collision detection in virtual battlefield environment.
一是研究了虚拟战场环境下的碰撞检测技术。
The collision detecting method based on ambient box is a custom method in virtual cockpit, though the detecting precision of this method is not exact.
虚拟座舱中进行碰撞检测的常用方法为包围盒碰撞检测，但基于包围盒的碰撞检测精确性不高。
The application of this algorithm in virtual turning environment demonstrates that this method can realize the collision detection in simulation more accurately than traditional bounding box method.
该算法在虚拟车削环境中的应用实例可以说明，该算法与传统的包围盒法相比，可更为准确地实现仿真中的碰撞检测。
The collision detecting method based on ambient-box is a custom method in virtual cockpit, though the detecting precision of this method is not exact.
虚拟座舱中进行碰撞检测的常用方法为包围盒碰撞检测，但基于包围盒的碰撞检测精确性不高。
Collision detection and collision response are the key technologies of building the virtual field environment, and also the factors affecting the result of simulation.
碰撞、碰撞检测及碰撞响应是虚拟战场环境中非常关键的技术，直接关系到最终仿真的效果。
In order to simulate the real world in a virtual space, collision detection is a very important technique.
为了在虚拟空间中模拟真实世界，碰撞检测的实现十分重要。
In order to solve collision detection problem in virtual surgery, a rapid collision detection method based on bounding volume hierarchy is presented.
为了解决虚拟手术的快速碰撞检测问题，提出了一种新的基于层次包围盒的快速碰撞检测方法。
The experiments illustrate that the algorithm accelerates the velocity of collision detection and ensures the real-time requirement of collision detection in virtual dynamic machining environment.
实验证明，此算法有效地提高了碰撞检测的速度，保证了虚拟动态加工环境中碰撞检测的实时性。
During the process of virtual campus walkthrough, collision detection is the vital interaction base between dynamic object and static object or among the dynamic objects.
在虚拟校园系统漫游过程中，虚拟场景漫游的动态物体与静态物体之间或者动态物体与动态物体之间的交互基础就是碰撞检测。
The experiment results shows that it can solve the problems and fulfil the requirement of accurate and real-time collision detection in virtual surgery.
实验结果证明算法能很好地解决虚拟手术中的碰撞检测问题，且满足虚拟手术中的实时性和精确性要求。
The proposed assembly model largely improves the efficiencies of intervention inspection and collision detection and displaying parts in the virtual assembly planning.
离散面片模型大大提高了装配规划中干涉检查、碰撞检测及显示等方面的效率。
Strokes sequence based rendering architecture, corresponding collision detection and virtual force model were briefly introduced.
首先简介了基于有序笔画的汉字力觉渲染架构、快速碰撞检测算法和虚拟力模型。
Collision Detection for rigid object in deformable environment is very popular in the field of virtual reality such as surgery simulation and so on, but few research has been made.
刚体在软体对象环境中的碰撞检测在虚拟现实的研究领域具有很大的普遍性，但以往的研究较少。
Surgery simulation is an important application of virtual reality in the field of modern medical. Quick and exact collision detection is the base of surgery simulation.
虚拟手术仿真是虚拟现实技术在现代医学领域的一个重要应用，快速精确的碰撞检测是虚拟手术仿真的基础。
Collision detection is one of the key techniques in virtual environments, and its speed and accuracy greatly influences the reality and sense of immersion.
碰撞检测技术是虚拟环境中的一项关键技术，它的速度和准确性影响虚拟环境的真实感和沉浸感。
As a result, collision detection is very necessary for virtual environment.
因而碰撞检测是虚拟环境中必不可少的部分。
Interaction is one of the virtual assembly's important features and a technique bottleneck. Collision-detection-based interaction cannot satisfy real-time requirement.
人机交互是虚拟装配的一个重要特性和瓶颈技术，基于碰撞检测的交互无法满足桌面虚拟装配的实时需要。
Through collision and interference detection in the virtual machine tool model, we can get the correct nc programs.
通过在虚拟机床模型上进行碰撞干涉检测，就可以提供正确的数控加工程序。
To improve realtime and accurate performance of collision detection in virtual environment, a collision detection method based on topology hierarchy graph was proposed.
为了提高虚拟环境中碰撞检测的实时性和精确性，提出了一种基于拓扑层次图的碰撞检测方法。
The speed of collision detection, and the delay and bandwidth of network are the main problems in distributed virtual assembly environment.
碰撞检测速度、网络延时和网络带宽对碰撞检测的限制是分布式虚拟装配系统中碰撞检测面临的主要问题。
Absrtact: Collision detection is an important component of virtual reality system. It plays a vital role in the reality of the virtual navigation and expression of dynamic elements.
摘要：碰撞检测是虚拟现实系统的一个重要组成部分，它对虚拟场景漫游及动态元素表达的真实性起着至关重要的作用。
Absrtact: Collision detection is an important component of virtual reality system. It plays a vital role in the reality of the virtual navigation and expression of dynamic elements.
摘要：碰撞检测是虚拟现实系统的一个重要组成部分，它对虚拟场景漫游及动态元素表达的真实性起着至关重要的作用。
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