电视信号的加解扰

Adding and Ridding Interference to TV Signal

随着有线电视技术的飞速发展,有线电视用户迅猛增加,而系统的管理落后、上门收费被动,给有线电视经营者带来困扰,需要行之有效的措施来抵制不交费的用户。同时,随着有线电视向宽带多功能综合网发展,每个用户有不同的服务要求。因此,迫切需要研制出先进的加解扰技术,建立一个标准化、规范化、适合我国国情的有线电视新型网络。

With the development of the technology of the CATV, the CATV users are increasing quickly. But it is hard to manage and hard to collect fees. All these made the CATV managers puzzled. It is very important to find a way to resist no costing users. While, with the CATV developing towards the wide comprehensive net, every user has different requirement. Therefore, it is important to develop the technology of Adding Interference and Ridding Interference, and set up a normail, fitting our country condition's new CATV net.