摘要
本文简要回顾了电视的发展过程，介绍了HDTV系统的研制和发展概况。数字HDTV已成为世界各国电视产业发展的必然趋势，我国在这方面的研制、开发已接近世界先进水平，数字HDTV即将步入我国家庭。
The author briefly calls back on the development of TV, reviews the resarch work, production and development of the HDTV system, The digital HDTV has become theinexorable trend of the development of TV in the world. China is approaching the advancedworld level in this field. The digital HDTV will soon enter the average Chinese families.
