虚拟现实技术概述

“虚拟现实”就是一种可以创建和体验虚拟世界的计算机系统。这种系统生成的各种虚拟环境，作用于用户的视觉、听觉、触觉，使用户产生身临其境的感觉，沉浸其中。而所谓虚拟世界则是虚拟环境或给定仿真对象的集合虚拟现实是近年发展起来的一项新技术，目前已广泛地应用于许多领域。该文阐述了虚拟现实技术的产生、概念、特征及其意义、虚拟现实技术的技术组成和艺术、情感魅力，分析了虚拟现实技术的研究内容、方向和技术瓶颈。

A Survey of Virtual Reality Technology

Virtual Reality" is a computer system that can be created and can taste the dummy world. Various dummy conditions produced by the system act on vision, hearing and feeling of the user, which can make the user be personally on the scene and immersed in it. But the so called dummy world is a congregate between dummy conditions and presented emulation object. Virtual reality, which is widely used in many fields at the present time, is a new technology developed recently. This paper has discussed mainly the emergence,conception, characteristic and significance of the virtual reality technique as well as its constitution, art and sensibility enchantment. At the same time, the content, direction and technology choke point of the study for virtual reality are analysed.