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介绍两种基于DVB标准的从卫星到有线电视的信号转换方式 .在此基础上 ,对其结构特点和抗噪声性能进行分析 ,其结果对有线电视前端系统的设计具有参考价值
This paper introduces two kinds of signal conversion methods from satellite to cable based on DVB standard.On the basis of this, the structural characteristics and anti-noise performance are analyzed, and the results have reference value for the design of CATV front-end system