【作者】 李会；

【导师】 杨国建；

【作者基本信息】 东北林业大学 ， 控制理论与控制工程， 2005， 硕士

【摘要】 在现代信息技术教学过程中,网络远程教育是不可缺少的。如何在网络环境下建立一个虚拟实验环境提供可交互的各种实验模型是近几年研究人员所关心的热点问题。比如构建电阻、电容元器件模型、放大器实验电路。传统的教学由于受经济、时间、空间的限制,不可能满足所有求知者的需求。虚拟实验模型作为一种具有丰富三维信息的计算机数据模型,能借助网络、交互视频技术传输到世界各个角落,使尽可能多的学生共享这一教学资源。随着虚拟现实技术的不断进步,虚拟模型的创建必将成为虚拟教学的有力工具。 利用虚拟现实技术的特点,开发网上教育的虚拟实验环节,生动地进行现实中的实验或完成一些在传统教育方式下难以完成的教学,已经成为现代远程教育关键的环节。相对于HTML技术而言,虚拟现实技术是一种瘦媒体技术,使用虚拟建模方法构建的各种模型具有传输速度快、传输量小的特点,使得在有限的带宽条件下传输更多的信息。 虚拟建模技术是构建虚拟实验室的核心和关键。本文利用虚拟建模(VM)技术在虚拟实验中的应用,提出了网络环境下构建虚拟实验室的模型和方案。并通过集成运算放大器电路的基本运算实验验证了方案的可行性。本文首先对网上虚拟现实技术的特征、现状和发展趋势等方面进行了综述,探讨了利用虚拟现实技术构建网上实验的可行性,分析了虚拟实验的特点、基本功能、实现虚拟实验的几项关键技术,提出了网络环境下的构建虚拟实验的理论依据,研究了如何利用VRML结合3DMAX和JAVA语言开发虚拟实验,讨论了虚拟实验系统的构造,三维场景的交互等关键技术。最后,给出了积分运算的实验模型。更多还原

【Abstract】 During the teaching of the contemporary information technology, the education of the telenet is very important . In recently the researchers are focusing on how to establish a virtual experiment environment to finish the interactive experiment model. For example constructing the resistance, capacitance apparatus model and the amplifier experiment circuit. The traditional teaching was limited by the economy, time and space , and couldn’t satisfy the requirement of all the learner. The VE environment as a computer data model of full three-dimensional information , can use network and interactive video technology transmit to all over the world, so many students can share the teaching resource. With the development of the virtual reality technology, the establishing of the VM will become the facility of virtual teaching.Using the feature of the virtual reality technology tap the virtual experiment segment online education and vividly do many really experiments or finish some problems in traditional education, all these have become the key segment of the contemporary telenet education. Relative to the HTML, virtual reality technology is a multimedia technology, the method of virtual modeling for building different models have the feature of high transfer rate and short data amount, can transmit more informations using the limit bandwidth.VM technology is the core and key to building the VL . In the article offering the model and project of the building the virtual laboratory through the researching the application VM in reality, through IOAC’s basic operation experiment improve them feasibility. At the article structure , firstly summarize the VRT’ s character、 actuality and the evolution ,secondly discuss the feasibility of using VRT doing the experiment online ,thirdly analyze the VE’s character、 basic function and the key technology of realizing the VE, and then put forward the theory foundation to building the VE above the network, research the empoldering VE project through combining VRML with 3DMAX and JAVA ,and discuss the structure of the VE system and the key technology three-dimensional scene interactive. At last, this thesesis gives the laboratory model of integral operation.更多还原