浅谈数字电视前端系统的安全与保障  

Safety and Security of Digital TV Front-end System

作　　者：汤丽琴 TANG Liqin(Haiyan WASU Radio&TV Network Co.,Ltd,Jiaxing 314300,China)

机构地区：[1]海盐华数广电网络有限公司,浙江嘉兴314300

出　　处：《中国有线电视》2023年第4期15-18,共4页China Digital Cable TV

摘　　要：结合“党的二十大”安全播出专项保障工作,针对县级有线数字电视前端系统存在的安全隐患,从机房供配电、前端信源处理、复用设备更新、信号监测、异地灾备系统等方面,对DVB数字前端系统进行升级改造升级,提升安全保障措施,确保安全播出。Combined with the exceptional guarantee work for the safe broadcasting of the“Twentieth National Congress of the Communist Party of China,”aiming at the potential safety hazards in the county-level cable digital TV front-end system,from the power supply and distribution of the computer room,front-end source processing,multiplexing equipment update,signal monitoring,remote disaster recovery In terms of systems and other aspects,the DVB digital front-end system was upgraded and upgraded,and security measures were improved to ensure safe broadcasting.

关 键 词：前端信源 复用加扰 节目监测 异地灾备 

分 类 号：TN943.6[电子电信—信号与信息处理]