系统级设计

• System level design . in this level , the thesis provides the system partition method , function design and method of design based on finite state machine . the key is the modification of available soft ip and realization of ad bus reuse technology
  系统级设计：论述了pci安全芯片的系统划分、功能设计和基于有限状态机的设计思想，重点是对已有ip的修改方法和ad总线再复用技术的实现。
• The modeling of the design platform and the system - level design of mems are important parts of the mems integrated design platform and the highlight in front edge of the international mems research , with important theoretical significance and applied value
  平台的建模和系统级设计是mems集成设计平台的重要组成部分，也是当前国际上mems研究的前沿和热点，具有重要的理论研究意义和应用价值。
• The test results indicate the sensor networks object tracking system is sensitive to the cost of sensors and synchronization of time windows , furthermore , it validates that embed system level design methodology based on ptolemy can direct wireless sensor networks system design correctly and feasibly
  测试结果表明:无线传感器网络目标定位系统对于无线传感器节点的功耗及信息时间同步窗口具有敏感性,符合无线传感器网络目标定位系统应用特性,验证ptolemy嵌入式系统级设计方法学对于指导无线传感器网络系统设计的正确性和可行性。
• The paper discusses the design and implementation of wireless sensor networks system based on system level design methodology , doing research about the embedded system level design methodology based on ptolemy ii , and using hierarchical heterogeneity design methodology based on ptolemy ii to guide the design of wireless sensor networks system
  本文主要研究无线传感器网络系统在嵌入式系统建模仿真平台ptolemyii下系统级建模设计与实现。研究ptolemyii嵌入式系统级设计方法学,并遵循ptolemyii所采用的层次异构的设计思想,指导并完成无线传感器网络系统模型的设计与实现。
• This paper advances a new idea of combining the two kinds of technology after analyzing the features they have in common . systems will be efficiently developed with software blocks if system design , simulation , code generation , debugging and the generation of target software radio systems are carried out in an environment for rapid prototyping
  本文分析了这两种技术的共性与互补，提出了将它们加以结合进行系统开发的新思想，即应用快速原型的软硬件开发环境，方便快捷地完成软件无线电系统的系统级设计与仿真，生成用于定义硬件结构与系统功能的软硬件代码，进行调试纠错，并最终完成目标系统的生成，实现软件积木式的高效系统开发。
• In recent years , with the rapid development of the modern electrics , electro - magnetic compatibility ( emc ) becomes more and more important in modem electronic system which has higher and higher operation frequency and power consumption . hence , it becomes one of the major problems encountered in the modern electronic system design
  近年来，随着电子技术的飞速发展，电子系统的频率越来越高，某些系统的功率也越来越大，整个电子系统的电磁兼容的问题逐渐突出，并且日益成为系统级设计的首要考虑问题。
• Currently , a new design methodology - system level design methodology is introduced into the wireless sensor network system modeling and simulation methodology , system level design methodologies look upon wireless sensor networks system as a complete system , with an embedded systems perspective to divide wireless sensor networks system into some modules which have independent system behavior and uniformly modeling , covering the traditional shortcomings of single modeling for wireless sensor networks system . therefore , it is significant to study the sensor networks system system - level design methodology , which will lay solid basis of heterogeneous environment system theory research
  近来,一种新的设计方法学-系统级设计方法学被引入无线传感器网络的建模仿真方法学中,系统级设计方法学将无线传感器网络看作一个完整的系统,以嵌入式系统的观点将无线传感器网络系统分成各个系统行为独立的模块进行统一建模,弥补了传统无线传感器网络系统单一建模的缺点,因此研究无线传感器网络系统级设计方法学,在异构环境下对无线传感器网络系统进行建模仿真具有重要的理论和实际意义。
• It is a complete pci interface circuit which including pci master , pci slave and pci arbiter . a design method of circuit multiplexing and that pci slave holds priority are proposed in system level design . a design method of pci slave which based on multi state machine structure and pci arbiter which based on hybrid algorithm of static - dynamic arbitration are proposed in the algorithmic level design
  这是一个包括从pci 、主pci和pci仲裁器的完整的pci接口电路，系统级设计中提出了电路复用和从pci优先的设计思路；算法级设计中提出了基于多状态机结构的从pci设计方法、基于静-动态混合仲裁算法的pci仲裁器设计方法。
• In order to simulating rapidly and analyzing the dynamic behavior of the whole mems but not reducing accuracy significantly , the terminal behavior of multi - terminal components was modeled as reduced - order model ( or called macromodel ) . upon the finite element model theory micro - mechanical devices or components were modeled in the spatial , which afforded theoretic foundation and technical support to mems system - level design
  为了便于在不显著影响精度而能快速地仿真与分析mems整个系统动态行为，通过器件或组件的降阶模型(或称为宏模型)方法描述了多端口组件的端口行为，并采用有限元模型理论在三维空间内建立了微机械器件或组件宏模型，为系统级设计所需要的组件库的建立提供了理论基础和技术支持。
• The main work includes the deep study of microprocessor theory , the system - level design of the soft core that is performed based on it , the system function definition and partition , the design of all the functional modules . after completing system - level and algorithm - level designs , the rtl implementations of each module are performed and the functional simulation and fpga verification are carried out on the rtl codes . at last , the rtl codes are synthesized with synopsys " design compiler and the gat - level netlist is gotten
  具体工作包括对微处理器理论的深入研究，并在此基础上完成16位risc微处理器软核16rmpu的系统级设计，实现系统功能定义和系统划分；完成软核各个模块的算法级设计和rtl级设计，并对软核的rtl级代码进行仿真和fpga验证；对软核进行dc ( designcompiler )综合，生成后端布局布线所需要的网表文件，最终实现微处理器软核的设计。