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Research on Virtual Experiment Technology and Its Application in the Teaching of Middle School Physics Experiment

Author: WuXuYan
Tutor: TanWenAn
School: East China Normal University
Course: Software Engineering
Keywords: Virtual reality Virtual experiment Virtual Instrumentation Middle school physics experiment
CLC: TP391.9
Type: Master's thesis
Year: 2008
Downloads: 303
Quote: 3
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Abstract


With the developing of the reforms Computer Information Technology gets sufficient application in education sector. In recent years, the appearance of virtual reality technology has brought the new life for the development of the virtual experiment. Because having 3D digitization technology, multi-sensing interactive technology and scientific visualization technology with high-resolution display, it can produce realistic three-dimensional virtual scene, and can enable one to sense and operate various kinds of virtual targets, to interact with the scene real-timely and mutually. Therefore, it can offer better performance and better teaching results than the existing virtual experiments.Virtual Instrumentation (VI) technology is gradually accepted and be used in education and teaching. The VI can acquire the true scene data, analyze the data easily and present the results in many ways. Representing the developing trends VI has embodied "a software is the instrument" characteristic. With a virtual instrument we can customize the functions of acquisition, analysis, storage, and display by using the powerful software. So we can do many experiments with one set of instruments. It is easy to overcome the traditional instrument’s disadvantages, such as great requirements, unstable and inaccurate performance A virtual instrument typically has a sticker price comparable to a similar traditional instrument for the current measurement task. It can also advance the practical ability of students and the innovating ability.This dissertation introduces the characteristics of virtual reality technology, and discusses the advantages that using virtual reality technology to develop virtual experiment systems. This paper focuses on discussing the virtual experiment modeling technology based on virtual reality According to the characteristics of modern education and the virtual experiment, the virtual reality model language VRML (Virtual Reality Modeling Language) is adopted to establish the three-dimension virtual experiment scene. So it offers a feasible way to use virtual reality technology to enhance the reality sense of all virtual experiments and to improve the teaching results.This dissertation also introduces the fundamental theory of the VI (Virtual Instrumentation) technology and presents a virtual instrumentation software platform—LabVIEW, as well as discusses several common virtual instruments such as virtual signal generator, double-traced oscilloscope. Some cases for middle school physics experiment have been developed by using the related virtual instruments. I hope that my work is helpful for the middle school teachers and students to learn about the Virtual Instrumentation, to do experiments or design experiments with virtual instruments, to broaden the technology route of the middle school physics experiment.

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CLC: > Industrial Technology > Automation technology,computer technology > Computing technology,computer technology > Computer applications > Information processing (information processing) > Computer simulation
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