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一、有线数字电视传播前端系统的组成有线数字电视传播前端系统主要由信号输入部分、信号处理与复用部分、信号调制部分和系统管理部分等组成。其组成方框图如图1所示。
First, the composition of digital cable television front-end system Wired digital television transmission front-end system mainly by the signal input part of the signal processing and multiplexing part of the signal modulation part of the system management and other components. The composition of the block diagram shown in Figure 1.