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。
YH TS 1 is a 32 bit embedded microprocessor designed by School of Computer in National University of Defense Technology. It is a top down design and has fully intellectual property.
银河TS1嵌入式微处理器是国防科学技术大学计算机学院设计的32位嵌入式微处理器，完全正向设计，具有自主版权。
Only by taking an iterative approach where each iteration combines top-down and bottom-up design is an organization likely to achieve Process Isomorphism.
只有采用迭代的方式，在每个迭代中结合自顶向下和自底向上的设计，组织才有可能获得流程同构。
The approach to use case modeling can be considered a top-down approach for SOA design, where service operations are identified based on where they are needed.
用于用例建模的方法可以视为SOA设计的自顶向下方法，服务操作基于所需的场合进行标识。
Enterprises are free to use top-down, bottom-up, or a combination of top-down and bottom-up design methods within the framework of the models discussed.
在模型讨论的范围之内，企业可以随意使用自顶向下、自底向上、或是二者结合的设计方法。
XAware also gives developers the option of starting the design process with XML Schemas, an approach known as top-down design.
借助于XAware，开发者可以通过XMLSchemas开始设计过程，这是一种top -down的设计方式。
However, by applying XSLT to the service messages, in many cases, you can map the service format of the bottom-up style messages to the top-down design.
但是，在很多情况下，通过将XSLT应用到服务消息上，可以将自下而上型消息的服务格式映射到自上而下的设计。
Generally, a computer system is comprised of different "sub" systems so a programmer needs to have some design or top-down thinking skills to see the program from the larger picture.
总的来说，一个计算机系统是由不同的“子系统”组成的，因此程序员需要掌握一些设计技巧或者自上而下的思维方法，这样才能从整体上把握全局。
A top-down implementation requires more planning and design work to be completed at the beginning of the project.
自顶向下的实现需要在项目开始时完成更多计划和设计工作。
You can start at the top — the design level, lay out your overall vision and then gradually drill down and implement the components (services).
可以从顶层，即设计层开始，布置整体构想，然后逐渐地深入并实现各个部件(服务)。
As defined in [1], SOA design is based on the top down decomposition of the enterprise business model, defined as a collection of the top level business processes.
如前所述[1]，SOA设计是基于企业业务模型从上到下的分解，如顶级的业务流程集合所定义的。
When you create a Web service using a top-down approach, you first design the implementation of the Web service by creating a WSDL file.
当您利用自顶向下的方法创建Web服务时，您首先通过创建WSDL 文件设计 Web 服务的实现。
Users will initially view your Web site the same way the spider does, so emphasizing the keywords from the top-left-down is a good Web design practice as well (see Eye tracking and search behavior).
用户最初查看Web站点的方式与爬行器的方式相同，所以按照自左上角向下强调关键词也是一种良好的 Web设计实践（参见视线跟踪和搜索行为）。
The software design, using in the top-down design ideas, all the procedures used hierarchical modular design, improving the portability of the software.
在软件设计中采用了自顶向下的设计思想，所有程序采用分层次模块化设计，提高了软件的可移植性。
I will use the Acme Booksellers sample to explain how to use the top-down design and implementation that is consistent with JAX-RPC programming model.
我将用AcmeBooksellers样本解释如何使用与JAX - RPC编程模型一致的自顶向下的设计和实现。
The meet-in-the-middle approach looks at design of a service by focusing on both bottom-up and top-down.
中间会合的方法在设 计服务时，既关注自底向上，也关注自顶向下。
Below is a top-down view of an airflow analysis of the same design on an A320, with the associated pressure contours for an unmodified and modified fairing.
以下是A320气动性能分析的俯视图。图5a显示的是未经改装的整流罩上的压力分布图。
But it is very difficult to follow a pure top-down design.
但是，很难实现一个完全的自顶向下的设计。
InfoQ: The entire model framework seems to suggest a top-down design paradigm.
InfoQ：整个模型框架看起来建议使用自顶向下的设计范式。如何将它扩展到其他设计范式？
The model embodied the top-down design idea, achieved the respective management of assembly architecture information, mate information and parts information.
装配模型的结构体现了自项向下的设计理念，实现了装配树层次信息、配合信息和零件信息的分别管理。
The desired design-style of all designers is the top-down one.
所有设计者的期待的设计风格是自顶向下的设计方法。
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。
To satisfy the special request of the top-down design pattern, an assembly model is built. It supports the design actions in design period.
本文针对自顶向下设计模式对装配模型的特殊要求，提出一种面向自顶向下设计的装配模型，支持产品设计过程中的多种设计活动。
This assembly model provides a good environment for top-down design.
该模型为产品装配的自顶向下设计提供了良好的模型基础。
A real top-down design allows early testing, easy change of different technologies, a structured system design and offers many other advantages.
一个真正的自顶向下的设计可以进行早期的测试，方便地在不同的技术间变换，结构化的设计并且提供其他的许多优点。
Introduced the conception of the top-down design and its technical feature.
介绍了自顶向下设计的基本概念和技术特点。
The paper briefly describes integrates circuit top-down design in three aspects of design tools, design methods and design flow.
从设计工具、设计方法和设计流程三个方面对集成电路正向设计进行了简要的叙述。
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。
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。
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。
应用推荐