application n. 1.适用,应用;运用。 2.申请,请求;申请表格。 3.勤勉,用功。 4.敷用;敷用药。 a written application 申请书。 an application for admission (to a school) 入学申请。 fill out an application 填写申请表。 He shows very little application to his study. 他不用功,不勤学。 a man of close application 勤奋的人,专心一意的人。 a point of application 作用点,施力点。 for external [internal] application 外用[内用](药)。 make an for (help) to (sb.) 请求(某人)(帮助)。 on application (to) (向…)提出要求 (A list of new books will be sent on application to the publisher. 新书目录,可向出版者函索)。
Lastly we develop a corresponding real - time simulation application named jennie , realize basic functionalities of natural virtual environment of test site , such as real - time display , interaction and walk through etc , and test and analyze the performance 最后进行相应的实时仿真应用程序jennie的开发和性能测试分析,实现研究区自然虚拟环境的实时显示、交互和漫游等。
The federal members are simulation process federal member and visible federal members , which are designed according to hla federal members " regulation and divided according to simulation application functions . e ) demo samples of the urtss developed based on hla 在urtss联邦的基础上,根据仿真应用功能的划分,按照hla联邦成员的规则设计与开发了两个联邦成员:仿真过程联邦成员和可视化联邦成员。
The thesis uses missile system - of - systems combat simulation as the application background and focuses on the research of modeling and experimentation of system - of - systems combat simulation . the contents are summarized into the following parts : ( 1 ) after analyzing the problems of simulation model specification in the field of missile system - of - systems combat simulation application , the hierarchical description and composition method based on system - of - systems , entity and behavior is proposed as the modeling methodology of system - of - systems combat simulation , which is seb composable modeling methodology . then , the reference model of seb methodology and the modeling reference view of various hierarchies are discussed 论文以导弹体系对抗仿真为应用背景,重点研究体系对抗仿真中的建模和实验问题,具体研究内容包括: ( 1 )面向导弹体系对抗仿真应用,分析体系对抗仿真模型描述中存在的主要问题,提出体系-实体-行为的分层次组合描述方法,作为体系对抗仿真的建模方法,即seb组合建模方法,并给出其参考模型和各个层次建模的参考视图。
By extend of scene simulation application in more area , like industry design , military exercise , city planning simulation , interactive amusement simulation and so on . establish real - time interactive scene simulation system using personal computer can reduce the total price , it will spread the application of scene simulation 随着视景仿真在许多领域得到广泛应用,如工业设计、军事演习、城市规划仿真、虚拟现实模拟培训、交互式娱乐仿真等等,由于使用pc机建立网络环境下的实时交互视景仿真的费用较低、仿真效果好,因此这一研究成果可以促进视景仿真应用的推广。
One of the main problems in pdes is how to partition the network simulation workload to decrease the time needed to complete the simulation and improve performance of simulation . here a new optimized partition algorithm was put forward , which first analyses the performance factors of parallel simulation and then constructs a performance estimation model for partition ; based on this model , it mends the graph partition algorithm to consider all factors , including simulation applications and simulation environments . optimized factors are workload balance 、 communication cost and time window of lookhead 鉴于基于传统图划分算法的任务划分工具存在诸多不足,本文提出了并行网络模拟任务的优化划分方法,其思想是:首先从pdes机制出发,分析影响并行网络模拟性能的各种因素并建立一个能够综合考虑各种因素的并行网络模拟性能估计模型;其次,改进多级图划分算法,使得算法具有综合考虑模拟应用与模拟运行环境,同时在优化过程中使用性能估计模型指导划分,实现对影响并行网络模拟性能的三个因素(包括负载均衡、通信开销、安全时间窗口长度)的优化能力;最后,结合并行网络模拟性能估计模型与改进的多极图划分算法,实现了并行网络模拟任务的优化划分。
Firstly , after analysing the feasibility of the combination of corba and hla , we go farther with the implement of a distributed rti - server based on corba , and decide deploying archtecture of the distributed rti - server . secondly , we design a kind of two - lay - data - filtering structure model based on the server and scheme of composite region assembling in the distributed environment , which has accelerated the speed of the dynamic region assembling , and has implemented the filtering of information in coarseness and extract way to reduce the information ' s flowing and computing in the network ; then we research the muti - server ddm arithmetic and the data management technology in distributed environment ; lastly , we implemente the distributed supporting simulation system based on corba , which supports a certain scale of simulation applications 首先在分析了corba与hla结合的理论可行性后,对分布式rti - server基于corba的实现进行了深入的研究,确定了分布式rti - server的系统部署结构;其次围绕该结构设计了一种分布环境下基于server的两层数据过滤结构模型,实现了粗精两层信息过滤,减少了网络上的信息流量和服务器的过滤计算量;同时提出了一种混合式区域聚集方案,该方案加快了动态区域的聚集合并,提高了rti服务器数据分发的效率;然后研究了多server分布环境下数据分发管理算法和数据管理的实现技术,最终实现了基于corba的分布式仿真支撑系统yh - mrti ,该系统已经可以支持基于分布式rtiserver的仿真应用。
Real - time simulation of large - scale virtual scene is one of the key techniques of digital earth , as well as the foundation of the military environment simulation applications . and it is also one of the important propositions of geographic information system ( gis ) that must be solved in its course of development toward 3d gis and vr gis 大规模虚拟场景实时仿真是建立“数字地球”的关键技术之一,也是地理信息系统( gis )由二维平面分析向三维立体分析纵深发展所急需解决的重要命题之一,结合虚拟现实技术应运而生的vrgis也已成为gis的新发展方向。
The main idea of hla is to develop a common mainframe of modeling and simulation , which was the first goal of department of defense of usa ' s m & s master plan that published in 1995 . it designed to facilitate the interoperability of simulation application and reusability of simulation resource . the object model of the autonomous spacecraft that the thesis discusses is an important part of hla 本文首先论述了目前分布交互仿真( dis , distributedinteractivesimulation )和hla的发展和应用状况,在此基础上,研究了hla基本理论和相关技术, hla充分解决了分布式仿真中互操作性和可扩展性问题,满足了复杂大系统的仿真需要。
The object - relational simulation database system we develop has the features of little redundancy and easy to be maintained and extended . on the base of simulation database we can conveniently integrate diverse object - oriented simulation applications and provide a uniform database sustentation for them 本文开发的对象?关系型的仿真数据库系统具有数据冗余度小、易于维护和扩充的特点,可以方便地集成各种类型的面向对象仿真应用程序,为它们提供一个统一的数据库支持。
This paper researches and analyses the developments of web technology and magnetostrictive transducers from world wide region . the paper also analyes the characteristics curve of magnetostrictive transducers based on its equivalent circuit and researches the method how to make sure its syntony frequency and its electric simulation network parameters . at the same time , by using jsp technology , a magnetostrictive transducer electric simulation application is designed based on b / s three - tier system structure . the experiment data is fitted by curve fitting module . the equivalent input impedance of it with stimulate loop is separated based on the results of curve fitting and the syntony frequency and electric simulation network parameters of magnetostrictive transducers is determined by the input impedance . the method presented in this paper can determine the syntony frequency and electric simulation network parameters of magnetostrictive transducers with a better accuracy than the testing method of syntony & anti - synton y . further more , jsp , the advanced technology at current , has been used to realize a magnetostrictive transducer web electric simulation system . the system has good human computer interface and the function of resource sharing and information publishing . the research of this paper and its achievements have some practical merits in the researchful and applied fields of magnetostrictive transducer 用java编程语言编写的曲线拟合模块,对输入的实验数据进行了最小二乘法的曲线拟合;根据曲线拟合结果可从带激励线圈的磁致伸缩换能器的输入阻抗中分离出磁致伸缩换能器铁芯在无激励电流时由机械振动形成的等效输入阻抗,并由此输入阻抗确定磁致伸缩换能器的谐振频率及电气模拟网络参数。本课题提出的方法与传统的谐振?反谐振法相比,能更准确地确定磁致伸缩换能器的谐振频率及其电气网络参数。同时,采用当前比较先进的web技术,实现了基于jsp的磁致伸缩换能器web电气模拟系统,该系统具有良好的人机界面和资源共享、信息发布功能。