摘要
作者根据多年对大型CATV系统管理维护经验,详尽论述了辽河油田300MHz CATV系统设计方案。对目前我国大中、型CATV系统改造具有一定参考价值。
Based on his experiences of many years in management and maintenance of large CATV system, the author describes in detail the design scheme of the 300MHz CATV system in Liaohe Oil Fields. They are helpful in the upgrad- ing of large and middle CATV systems in China.
出处
《电视技术》
北大核心
1993年第3期12-17,共6页
Video Engineering
关键词
有线电视
传输系统
设计
Carrier to noise ratio Cross modulation ratio Inter-modulation ratio