仿真，模拟 meaning in English
analog
Examples
- The states of motions and victories and forces of the worm engaging point were been analysis . the motions and forces of the worm engaging point have been initiate by the program with matlab . the 3d motions of plane double enveloping worm has been emulated with solidege and flash
应用solidege三维实体造型软件，进行平面二次包络环面蜗杆传动的运动状态的动态仿真，模拟了平面二次包络环面蜗杆传动的运动状态，再现了蜗杆啮合的运动状态的仿真。 - Traffic accident simulation and control technology are simulating the environment and driving process , simulating the operation situation of accident vehicle on the road , making kinematic analysis based on data such as vehicle collision , stop location and collision narks , to determine the normally running line and the speed of vehicle before the accident , presume the collision speed course reversely , use 3d graphics technology to reappearance accidents process , provide scientific theory for the analysis of the cause , make corresponding protect safety technology and strategy
交通事故模拟与控制技术是对驾驶环境与驾驶行为进行仿真，模拟车辆在道路上发生事故的运行情况，根据车辆碰撞位置和停止位置、车身碰痕等事故现场数据进行运动学分析，确定车辆在事故前正常行驶时的速度和路线，逆向推定碰撞车速及事故过程，应用三维图形技术再现交通事故过程，为分析事故成因，提出相应的交通安全保障技术和策略奠定科学理论依据。 - The emitter location methods commonly include : angle of arrival ( aoa ) measurement , time - difference - of - arrival ( tdoa ) measurement and aoa together with tdoa measurement . this paper derive some important techniques and theories bearing upon passive location in this field . three kinds of passive location algorithm in three - dimensional ( 3 - d ) space are deduced based on that of 2 - d space . at the same time each performance is analyzed , each graph of geometric dilution of precession ( gdop ) is emulated for different station position , different measurement error , and different target height . accordingly some valuable academic and emulational results are obtained by myself , which will provide researches in this field with definite technical refrence . at the end of this paper , the passive location method of jtids ( joint tactical distribution systems ) is discussed , which is expected to enforce the tactical performance of jtids in the intending development
本文汲取了该领域有关被动定位的重要技术和理论，在二维平面无源定位算法的基础上推导出了三维空间内的三种无源定位算法，并对各自的定位性能进行了理论分析和计算机仿真，模拟出不同的布站、不同的测量误差以及不同辐射源高度的情况下，三种定位方法各自对应的定位精度（ gdop ）分布图，同时对各自的定位性能进行了改进处理，得出了一些有价值的理论和仿真实验结果，这些结论可为今后在此领域的研究提供一定的技术参考。