Ⅲ嵌入式系统设计的一些要点Keypointsforthedesignofembedded.ppt

* * * * * * * * * * * * * * * * * * * * * * * * Ⅲ.嵌入式系统设计的一些要点Key points for the design of embedded systems. 2. 研究嵌入式系统多维、多层次、多剖面的性能指标体系 Study the multi-dimension multi-level and multi-profile performance indicator system of the embedded system. A 体系组成如下： The system consists of 1)功能维：基本功能分维、应用功能分维、安全功能分维 Dimension of function: base function, application function, security function * * Ⅲ.嵌入式系统设计的一些要点Key points for the design of embedded systems. 2)经济性能维：产品价格分维、制造成本分维、应用成本分维 Dimension of economic performance: product price, production cost, application cost 3)时间因素维：系统生成期分维、系统制造周期分维、系统 应用培养期分维 Dimension of time factor: system emergence period, system production cycle, system application and training period. * * Ⅲ.嵌入式系统设计的一些要点Key points for the design of embedded systems. 4)性能储备发展维：用户需求分析分维、竞争发展分析分维、社会发展需求分析 Dimension of performance reserve and development: analysis fractal dimension of user needs, analysis of the competitors development, analysis of needs for the development of society. * * Ⅲ.嵌入式系统设计的一些要点Key points for the design of embedded systems. B 找出其中矛盾点和困难点为下一步设计储备 Find out the contradictions and difficulties for the next-step design 嵌入式系统元素功能和全系统集成 The element function of the embedded system and the integration of the whole system * * Ⅲ.嵌入式系统设计的一些要点Key points for the design of embedded systems. C 元素功能及系统集成：嵌入式系统共有七种元素功能，它们是 信息获取功能、信息存储功能、信息交换功能、信息传输功能、信息处理功能（含信号处理功能）、应用服务功能和系统管理功能，所有功能都有待发展，但瓶颈主要是在信息处理和管理功能（另文详细讨论上述问题） * * Ⅲ.嵌入式系统设计的一些要点Key points for the design of embedded systems. C Element function and the integration of system Element function : In embedded systems, there are seven element functions in total, these are function of information acquisition, function of information storage, function of information interchange, function of information transmission, function of information processing, function of application and service, and function of system management.