This paper describes the top-down design method, hardware circuit buildup in detail and gives program for CPLD and single chip computer.
本文详细论述了系统自上而下的设计方法及各部分硬件电路组成及单片机、CPLD的软件编程设计。
Using Top-Down design method, the whole PDDC function is divided to many units implemented respectively and organized to the module library.
采用自上向下的模块化设计方法，将PDDC的功能划分为基本单元，实现这些功能模块并组成模块库。
The top-down design method is adopted in the logic design process. And the function of the coder and the decoder has been proved to be correct.
在逻辑设计中，使用了自顶向下的设计方法，正确实现了编码和解码的功能。
Then, based on the modular and top-down design method, the user interface is designed and some key functional modules are designed and implemented.
然后基于层次化模块化的软件设计思想，制定了用户接口模块的总体实现方案，设计并实现了一些关键功能模块。
A design flow based on mixed-signal simulation is proposed. The top-down design method indicates simulation and verification at each level of the mixed signal system design.
介绍了数模混合信号仿真的设计流程，说明了一种在混合设计的各个层次上对系统进行仿真验证的自上而下的设计方法。
This article discusses a design and development of the intelligence motor car based onEDA, using the modern and top-down design method to accomplish the design of the intelligence motor car.
本文介绍了一种基于EDA的智能小汽车控制系统的设计方法，此方法采用现代自顶向下的设计技术。
This paper deals design method of digital system of top-down, VHDL and applications of in technology ASIC.
本文论述了数字系统自顶向下的设计方法、VHDL及其在ASIC技术中的应用。
In the light of using top down method in the design of product with CAD, a method of feature design, which chooses proper shape feature as the datum for next design step, is presented.
针对自上而下的计算机辅助机械产品图形设计，提出了适应这种设计思维的特征设计方法，即选择合适的形状特征，作为进一步的详细设计的基准。
Top-down method is used first in global designing stage, and then bottom-up method is used in layout design.
首先采用自顶向下的方法进行版图全局规划，然后采用自低向上的方法绘制版图。
This paper introduces the VHDL top down design method including scheme determination, hierarchy division, and VHDL application taking a digital code lock design for example.
文中以数字密码锁的设计为实例，从方案的确定，各阶层的划分，VHDL的应用，介绍了VHDL自顶向下的设计方法。
It is a top - down design method which develops systematically from higher end to lower end.
顶层设计是自上而下、自高端至低端层层系统推进的设计方法。
In the variant design process, the author adopts Top-Down method and drives the dimension, the feature of the parts and assembly according the request of the variant product to design the new product.
在变型设计过程中，作者采用自顶向下的设计方法来完成设计过程，并根据不同零件的特性分别采用相应变型设计方法如尺寸驱动法、特征控制法和访问零件库法来实现变型设计。
The top-down method was adopted to design the software, which shorted the developing period and enhanced the system's maintainability.
软件设计采用自顶向下的方法，缩短了开发周期，提高了系统的可维护性。
In the light of the method of Top-Down, the author put forward the concept of product function structure tree, which was used to express the product's function structure during the conceptual design.
根据自顶向下的设计思想，提出了产品功能结构树的概念，并以此来描述产品的功能结构。
The main work is stated as follow:(1) After researching the technology of modeling and the method of Top-down design, the thesis designs a feature-based modeling with Top-down design.
着重研究了建模技术和自顶向下的设计方法，并将它们和装配模型有机的结合起来，建立基于特征的自顶向下建模系统。
Based on parametric technology, the design method by top-down is presented in this paper.
介绍了自顶向下设计的基本概念和技术特点。
Based on parametric technology, the design method by top-down is presented in this paper.
介绍了自顶向下设计的基本概念和技术特点。
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