论文部分内容阅读
一、光端机发展概述众所周知,视频光端机从国外引进到模仿制造,再到完全自主知识产权的自主创造,经历了从模拟技术到数字化技术过渡,实现了从功能单一到多业务综合传输的飞跃,由少量使用到大规模应用,视频光端机伴随着监控行业的发展一步步地走向成熟。自2001年以来,随着宽带数字
First, the development of Guangduan Ji Overview As we all know, video Guangduan Ji imported from abroad to imitate the manufacture, and then to completely independent intellectual property rights of independent innovation, has gone from analog technology to digital technology transition, from single to multi-service business to achieve a comprehensive leap from the A small amount of use to large-scale applications, video Guangduan Ji monitoring industry with the development step by step toward maturity. Since 2001, with broadband numbers