Then through studying geometry modeling, convex hull, polygon collision test and other arithmetic, the positioning, controlling and collision test method are proposed which are suitable for radial coordinates unit. Finally they were realized in virtual system.
本文根据工程的要求，首先对光纤定位装置的机械特征、控制方式、定位方法做了分析，然后通过研究现有的几何造型、凸包构建、多边形碰撞判断等算法理论，研究出适合极坐标运动单元的表示、控制、判断方法，并最终在虚拟系统中实现了4000个光纤定位单元的存储表示、定位控制、碰撞判断(即实时监控)。
参考来源 - LAMOST虚拟光纤定位系统·2,447,543篇论文数据，部分数据来源于NoteExpress
推导了整流罩锁死前和舱段组成多体系统的动力学方程并设计了整流罩锁死后舱段和弹头的碰撞判断条件。
Establishing multibody system dynamic equations before the separate cover locked and designing a conditions of collision determination after the separate cover locked.
在实践中，本系统通过模拟接收A旧信息数据，并判断是否存在碰撞危险；
In the practices, AACS can judge the existence of risk of collision by receiving AIS simulated signals.
交通事故碰撞速度的判断是事故再现的重要内容之一。
The judgement of motor vehicle collision velocity is an important problem in traffic accident reconstruction.
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