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有线电视主要用于提供电视节目,其中以多频道的业务及社区频道节目为主。最近,作为第三业务的通信服务特别是因特网连接业务急剧增加,今后的发展方向就是如何做好连接。 交互业务中的上行频带对通信业务是非常重要的。与此同时上行频带中的汇合噪声问题也就成为最大的课题。本讲座将分析噪声的成因并提出解决的对策。
Cable television is mainly used to provide television programs, of which multi-channel business and community channel programs based. Recently, as the third business, communication services, especially the Internet connection business, have sharply increased, and the future direction of development is how to make the connection. The uplink frequency band in the interactive service is very important to the communication service. At the same time, the problem of convergence noise in the uplink frequency band becomes the biggest issue. This talk will analyze the causes of noise and propose solutions.