大屏幕投影系统在高速公路监控中心的应用

Application of Projector Sytem in the Surveillance and Control Center of Expressway

介绍投影技术的原理 ,以及决定投影机选择的主要技术指标 ,描述投影机光源的种类和选择 ,以及投影屏种类和主要技术指标 。

This paper introduces the principles of the projection technology, introduces the main performances which affect selecting the projector, describes the type and selection of the lamp-house, introduces the type and main performances of the projector screen,discusses the application of the projector system in the surveillance and control center