dfd

This thesis also introduces the method and process of the summary design of this system , especially the transform from DFD to software structure diagram .

叙述了系统概要设计的方法步骤，尤其是由数据流图到软件结构图的转化过程；

Design ideas and rules of graphic documents about layout processing in software engineering are described . An algorithm outline of ordinary DFD and SC layout is given .

本文提出了对软件工程中的图形文档进行布局处理的设计思想和布局规则，并且对数据流图和结构图这两类常用图形文档的布局给出了算法概述。

The Design of Measurement and Control System for DFD Wind Tunnel

DFD风洞测控系统设计

Analysis and Design about Data Dictionary Management Tool of DFD

DFD数据字典管理工具的分析与设计

Study on mathematic model of CAD / DFD information mapping and its realization method

CAD/DFD信息映射数学模型及其实现方法

Design of α - β mechanism on DFD low speed wind tunnel installation

DFD低速风洞α-β机构设计研究

Design and Implementation of DFD Editor System in MIS-Oriented CASE Tools

面向MIS的CASE工具中DFD编辑处理系统的设计与实现

A Rapid Video Segmentation Algorithm Based on Symmetrical DFD

一种快速的基于对称差分的视频分割算法

The application of DFD & DFA theory in the design of exhibition establishment

可拆装理论在展览设备设计中的应用

Data flow diagram ( DFD ) tool is a software tool used in software requirement analysis phase .

数据流图工具是支持软件需求分析阶段的重要软件工具。

The Design and Implementation of the Generating Environments for Software Requirement Analysis RAGE / DFD

软件需求分析生成环境RAGE／DFD的设计与实现

The better frequency wavelet decomposition of DFD used in this algorithm improves quality of recovery image a lot .

利用更佳频率分辨率小波分解处理运动补偿余量误差善了复现图象质量。

The existing DFD algorithms do not achieve the best solution quality and the highest computational efficiency simultaneously .

现有动态力分配算法尚不能同时取得最佳结果和最高效率。

Design for Disassembly and Recycling ( DFD & R ) is the important content of Green Design .

面向拆卸与回收的设计是绿色设计的重要内容。

Software information base ( sib ) and its integrating with data flow diagram ( dfd ) tool

软件信息库SIB及它与数据流图（DFD）工具的集成

It is also describes the practice and application of several analysis instruments such as DFD , flow chart , data dictionary etc.

完成了各种数据流图、流程分析、数据字典等系统分析工具制作。

Based on analyzing feature of industrial product disassembly , contents of design for disassembly ( DFD ) are given .

在分析工业产品可拆卸性特点的基础上，给出了其设计内容；

Arc Suppression Circuit Connected in Series with Non-linear Damping Resistors & Type DFD Large Capacity Non-linear Resistor

串联在消弧线圈接地回路中的非线性阻尼电阻&DFD型大功率非线性电阻器

It researches the estimate of DFD at the character and economy , and also makes an analysis example on a representative product .

从可拆卸性以及拆卸回收过程的经济性等方面研究了面向拆卸设计的评价，并对典型产品进行了实例分析。

The theory of DfD ( design for deconstruction ) considers architecture development from the point of the whole lifetime of building .

DfD（建筑解构设计）思维方式是从整个建筑生命周期的角度考虑建筑业的发展。

Effects of pre-slaughter conditions on the incidences of DFD beef and the beef quality

宰前因素对黑切牛肉发生率及牛肉品质的影响

Then the database is designed with DFD ( Data Flow Diagram ) and Entity-Relationship Diagram according to the function demand .

根据系统的功能需求，用分层数据流图分析了数据间的复杂关系，给出了相应的E&R图，并设计了相关的数据实体；

According to requirements of green industrial product , basic guide of DFD is raised and the system model of DFD is established .

并根据绿色工业产品的要求，提出了可拆卸性设计的基本准则，建立了可拆卸性设计系统模型；

So first use every three continuous video frames to get symmetrical DFD , then acquire the motion area of the moving object .

该算法通过对图象序列中每连续3帧图象进行对称差分，首先检测出目标的运动范围；

This technique is the easiest to perfect but has never produced like the DFD or the downstream retrieve .

这种技巧是最容易达至完美，但其中鱼率远不及DFD或下游检索。

In order to validate the present local DFD method , numerical results and comparisons with the experimental and numerical data in literature are presented .

上述算例的计算结果与参考文献实验或数值结果的比较，验证了该方法的有效性。

With the expression of the language for DFD , the system processes the hierarchical division , data transformation . DFD generation automatically .

通过描述语言对DFD的表达，系统自动进行其层次划分、数据转换，并绘制DFD图。

In this paper , a computer-aided Generation Edit ( GE ) of Data Flow Diagram ( DFD ) is presented and implemented .

本文提出并初步实现计算机辅助的数据流图（DFD）生成编辑（GE）。

Therefore , in this thesis , three image processing algorithms are proposed based on the depth from defocus ( DFD ) to obtain depth information .

因此，为了获得景深信息，本论文研究了散焦测距的几种视觉模型。

The incidence of DFD beef was lower when the bull slaughtered in the morning . 2 .

清晨屠宰的肉牛DFD肉发生率低。