业务信息分析 meaning in English
service information analysis
Examples
- This paper discusses some important technologies closed to dtv receiving system deeply , base on scn and cctv . it includes mpeg - 2 system level , dvb service information , conditional acceptance . it also describes how to realize epg , ca , upgrade on line etc based on the dtv service information technology at lengtho now , the production of this design is applied to the digital tv products of cctv and sichuan tv net
本论文结合数字电视在四川广电网和cctv的具体应用情况，深入研究探讨了与数字电视接收系统紧密相关的部分关键技术，包括mpeg - 2系统层结构分析、 mpeg - 2和dvb业务信息分析、数字电视条件接收基本原理和加解扰及加解密技术，并详细叙述了如何运用数字电视业务信息技术实现了电子节目指南、条件接收、在线升级等基本业务。