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文章首先就数字电视前端系统的工作特征做出了必要说明,而后进一步对其结构进行了必要的讨论,简单剖析了其结构构成的几个主要组件,为进一步了解其工作原理奠定了基础。
First of all, the article makes some necessary explanations on the working characteristics of the front-end system of digital television. After that, it discusses the necessary structure of the digital TV front-end system briefly and briefly analyzes the main components of the structure. This paves the way for further understanding of its working principle.