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一、概述随着各国电子工业的迅速发展,军事指挥、厂矿企业管理及交通管制等场合,均需用大屏幕字符、图表显示系统。为了测量导弹卫星的飞行情况需用大屏幕显示飞行体的轨迹。这类显示系统,除了要求显示清晰外,还特别要求视野宽广、功耗小、可靠性高和造价低。自六十年代以来,人们已作了种种研究,目前比较成熟的是投影式大屏幕
I. Overview With the rapid development of electronic industry in various countries, military command, factories and mines, enterprise management and traffic control and other occasions, are required to use large-screen characters, chart display system. In order to measure the flight condition of the missile satellite, it is necessary to display the flight path of the flying object on a large screen. Such display systems, in addition to requiring clear display, but also particularly require a wide field of vision, low power consumption, high reliability and low cost. Since the 1960s, people have made various studies. At present, the relatively mature is the projection type large screen