高清晰度电视(HDTV)被称为第三代电视,是广播电视技术发展的新里程碑。它除了用于广播外,还广泛用于计算机的CAD/CAM图形显示、电子电影、电子印刷制版、医疗图象显示、名画资料档案显示等。它的发展将带动电子工业的许多领域,如显象器件、摄象器件、集成电路、图象信号频带压缩技术、电子材料等的进步和发展。开展HDTV研究的意义远远超过了开发消费电子产品的范畴。日本是世界上最早开展HDTV研究的国 High definition television (HDTV) is called the third generation television, is a new milestone in the development of radio and television technology. In addition to its use for broadcasting, it is also widely used in the computer CAD / CAM graphics display, electronic film, electronic printing plate, medical image display, file display and other famous paintings. Its development will drive the progress and development of many fields in the electronics industry, such as imaging devices, camera devices, integrated circuits, image signal band compression technology, electronic materials and the like. The significance of conducting HDTV research far exceeds the scope of developing consumer electronics products. Japan is the first country in the world to launch HDTV research