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从1963至今年1993,《电子技术》出版的三十年,正是世界上通信技术经历飞跃发展的三十年,无疑地对信息时代的来临起了巨大的支柱作用。通信技术在这三十年中究竟怎样飞跃发展的呢?以及今后的发展趋向如何?可以概括描述如下。一、信息业务从传统的话音通信延伸至数据通信和图像通信。其中话音通信就是电话。数据通信主要是计算机通信,有低速数据,又有高速,重点将朝向高速数据传输。图像通信有静止图像和活动图像,将着重于活动图像,也即电视的视频部分,属于宽带传输。这三类信息业
From 1963 to this year, 1993, the thirty years after the publication of “Electronic Technology” was precisely the thirtieth anniversary of the rapid development of communications technology in the world and undoubtedly played a huge pillar in the information age. What is the rapid development of communication technology in these three decades? And what is the future development trend? It can be summarized as follows. First, the information business extends from traditional voice communication to data communication and image communication. One of the voice communications is the phone. Data communications are mainly computer communications, low-speed data, there are high-speed, the focus will be towards high-speed data transmission. Image Communication There are still images and moving images, will focus on the moving images, that is, the video portion of the television, belonging to broadband transmission. These three types of information industry