南京大学硕士论文模板
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研究生毕业论文(申请工程硕士学位)
论文题目基于××××的××××系统
设计与实现
作者姓名张三
学科、专业名称工程硕士(软件工程领域)研究方向软件工程
指导教师金志权教授
2006年5 月19 日
学号:MG*******
论文答辩日期:年月日
指导教师:(签字)
基于××××的××××系统的
设计与实现
作者: 张三
指导教师: 金志权教授
南京大学研究生毕业论文
(申请工程硕士学位)
南京大学软件学院
2006年5月
The Design and Implementation of ×××× Based on ××××
Zhang, San
Submitted in partial fulfillment of the requirements for the degree of Master of Engineering
Supervised by
Professor JIN, Zhiquan
Software Institute
NANJING UNIVERSITY
Nanjing, China
May, 2006
摘要
机顶盒中间件系统是建立在数字电视接收设备驱动层之上,为交互应用提供完整的应用编程接口的软件平台。为了实现数字电视交互式功能的标准化,同时使服务项目(以应用程序的形式通过传输信道)下载到用户终端机顶盒的数据量减小到最低限度,中间件平台的设计非常重要。
国内目前在数字电视中间件标准的技术研究方面公开的资料较少,且没有中国自己的数字电视中间件标准。在这样的背景下,本文分析了国际上主流的中间件标准。详细分析了DVB-MHP标准,包括MHP的概念和架构,应用层次,API接口的定义以及各API的功能和MHP采用的安全策略框架。
关键词:数字电视机顶盒,机顶盒中间件,中间件标准,DVB-MHP
Abstract
Set-top Box, a Middleware System, is founded on Driver Layer of Digital TV Receiver and provides a complete API interface for mutual applications. The design of middleware platform is important for the standardization of Mutual interaction of Digital TV and the data minimization downloading to the user-end set-top box for services in the form of application through transmission channel.
Currently, the research on DTV middleware standard inland is limited and China doesn’t have its own DTV middleware standard. This paper analyses middleware standards now popular internationally. It elaborates DVB-MHP standard, including the concept and architecture of MHP, its application layers, API functions and the secure model.
According to the development and present technology available for DTV in China, the paper puts forward the STB-MV platform based on the improved middleware standard after analysis of weak points of MHP standard. STB-MW platform is based on J2ME and is compatible with HTML. It uses resource manager and supports Chinese character. The platform is composed of middleware adaptive layer, file manipulation module, system resource management module, SI module, application management module, graphics manipulation module, character database engine module, CA module, AV module, debug module, JVM and EPG etc. layers. The paper analyses the functions and implementation principles of every module and implements the resource management module, application management module and access to SI database of STB-MW platform.
STB-MW platform can provides fundamental platform support for the inter-platform services of manufacturers of DTV. The modular design makes the STB-MV platform independent of OS and hardware, and good portability and expansibility.
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Keywords:Digital TV Set-top Box, Set-top Box Middleware, Middleware Standard, DVB-MHP.