有线电视(CATV)

浏览次数 : 7075
更新时间 : 2016-12-07 10:56:00
有线电视 有线电视亦称公共天线电视。有线电视是通过公共天线接收广播电视信号的一种电视系统。它把收到的电视信号通过同轴电缆传送到用户的电视机。目前,在许多系统中,同轴电缆直接从节目播放中心连接到电视接收机,而不需要天线。有线电视的最初目的只是为了改善某些地区的电视接收条件。1968年以后CATV有了很大的发展。CATV可以帮助发展新的信息技术。
上一页 :
关联 新闻
查看更多 >>
The Future Trend of Optical Line Terminals (OLTs) The Future Trend of Optical Line Terminals (OLTs)
Apr .11.2024
The future trend of Optical Line Terminals (OLTs) is shaped by a convergence of technological advancements, evolving market dynamics, regulatory frameworks, and emerging applications.
The Difference Between ONU and ONT The Difference Between ONU and ONT
Mar .29.2024
Despite often being used interchangeably, ONUs and ONTs serve distinct functions within the network architecture.
Deployment Requirements of XG(S)-PON Network Deployment Requirements of XG(S)-PON Network
Mar .22.2024
Building an XG(S)-PON (10-Gigabit Symmetric Passive Optical Network) network involves a series of steps and considerations to ensure the successful deployment of high-speed broadband connectivity.
XPON主要参数及技术指标 XPON主要参数及技术指标
Dec .06.2023
XPON作为新一代光接入技术,在抗干扰、带宽特性、接入距离、维护管理等方面具有巨大优势。