基于龙芯的DVB-S信号接收系统设计  

Design of DVB-S Signal Receiving System Based on Godson

作　　者：吴少刚[1] 李婷[1] 王彦[2] 

机构地区：[1]中国石油大学(华东)计算机与通信工程学院,东营257061 [2]山东胜利职业学院建设工程分院,东营257022

出　　处：《计算机工程》2010年第14期4-6,共3页Computer Engineering

基　　金：国家"863"计划基金资助项目"低成本先进计算机"(2006AA010201);江苏省科技成果转化基金资助项目"龙芯CPU产业化应用"(BA2004029)

摘　　要：针对卫星数字电视接收的低成本应用,提出一种基于龙芯的DVB-S卫星数字电视接收系统方案。采用龙芯2E平台的PCI总线,充分应用龙芯处理器对MPEG-2的高效解码特性,结合特定前端调谐器和后端TS流捕获芯片设计整个系统。结果表明,该系统符合DVB-S/MPEG-2标准,且结构简单、便于实现、成本低廉,对拓展龙芯处理器产业化应用有重要工程应用价值。For low-cost application of satellite digital TV signal receiving,this paper presents a project of the DVB-S satellite digital TV receiving system on the Godson-based platform.Using the PCI bus on the Godson-2E and fully utilizing the characteristic of the Godson-2E processor for decoding MPEG-2 with high performance,the entire system is designed combined with the special front-end tuner module and the back-end chip which captures the Transport Stream（TS）.It proves that the whole system is in line with the DVB-S/MPEG-2 standards and the advantage of the system,such as simple structure,easy realization and low cost,also makes it great value in engineering application for developing the industrialization application of the domestic processors.

关 键 词：数字电视 龙芯 DVB-S信号 接收系统 

分 类 号：N945[自然科学总论—系统科学]