You now have a data model created based on reverse engineering from a database or from a DDL script.
至此,您通过对一个数据库或DDL脚本的反向工程,创建了一个数据模型。
RDA can be used to develop data models in either a top-down or bottom up manner, allowing analysis of existing databases and development of data models by reverse engineering of existing data assets.
RDA可用于采取自下而上或自上而下的方式开发数据模型,允许分析已有数据库和通过对已有数据资产的反向工程开发数据模型。
Note that this atomic domain is defined as DOUBLE, while the data type for the database column (determined using reverse engineering) is a BIGINT.
注意,这个原子域被定义为DOUBLE,而数据库列(由反向工程决定)的数据类型为 BIGINT。
The data model may be developed top-down solely based on business requirements or bottom-up through reverse engineering of existing data structures.
数据模型可以采取自上而下的方法根据业务需求单独开发,也可以采取自下而上的方法通过对已有数据结构进行反向工程来开发。
Nevertheless, it is still invaluable as a result of the above reverse engineering steps. The main benefits of an Enterprise Data Model are
不过,逆向的工程步骤也是非常有价值的。
Create from reverse engineering: Create a data model based on the information retrieved during the reverse engineering process.
Createfromreverse engineering:根据反向工程过程中获得的信息创建一个数据模型。
As discussed in the previous section, deriving parsing and acquisition tools and data models requires significant reverse-engineering effort.
正如上一节所讨论的一样,分析和获取工具以及数据模型都需要大量与反向工程相关的工作。
So, pre-handling of the CMM data is one of the most important steps in reverse engineering.
因此,逆向工程中的一个重要环节就是三坐标测量数据的预处理。
Data segmentation is a key process in reverse engineering geometry modeling.
数据分割是反求工程中几何建模的关键环节。
You might need to construct the source data models by using reverse engineering techniques, developing Entity and Relation (er) models from existing source databases.
您可能需要通过使用逆向工程(reverse engineering)技术构造源数据模型,从而从现有的源数据库中开发实体和关系(Entity and Relation,er)模型。
This paper studies how to generate the slice data from point clouds, which is the critical problem in the integration of Reverse Engineering and Rapid Prototyping Manufacturing.
本文研究了反求工程与快速原型制造集成中的关键问题,即如何从点云数据生成层片轮廓数据。
One of the important processes in product's Reverse Engineering is transforming the measuring data to products CAD models.
逆向工程中另一个比较重要的环节就是把测量数据转化为产品的CAD模型。
Data segmentation and surface fitting are most key parts of reverse engineering.
数据分块和曲面拟合是逆向工程中最关键的部分。
The data structure design of free curve and surface reconstruction is one of the key technologies of developing reverse engineering software.
自由曲线曲面重构的数据结构设计是开发逆向工程软件的关键技术之一。
The study of curve reconstruction based on unorganized data points has great importance in reverse engineering.
在反求工程中,基于散乱数据点的曲线重建研究有着重要的意义。
The conception and theory of data processing in reverse engineering are discussed.
阐述了逆向工程数据处理的方法及其原理。
Fusion of various data is an effective way to improve the precision and efficiency of data acquiring in reverse engineering.
实现多种数据的融合是提高反求工程中数据获取的精度和效率的一种有效途径。
The paper introduces an effective weighed- median filter and wave- let analysis filtering based on the discrete data dots- clouds of reverse engineering of the rapid prototyping manufacturing.
针对基于快速原型制造的逆向工程散乱数据点云,提出了一种先加权中值滤波,再小波分析滤波的新降噪方法。
One primary step of the reverse engineering is the collection of three-dimensional data of the part surface.
实现逆向工程中的一个必要步骤是进行零件表面三维数据的采集。
The technique of curve fitting is used proverbially for the image processing, reverse engineering, test data processing, etc.
曲线拟合技术在图像处理、逆向工程以及测试数据的处理等领域中的应用越来越广泛。
Introduces the basic conception of the reverse engineering and three-dimensional modeling method based re technology: data gathering, cloud data processing and three-dimensional model rebuilding.
介绍了逆向工程的基本概念,基于RE技术上的三维建模方法:数据采集、点云数据处理、三维模型重建。
Data processing is an important technique in reverse engineering, determining the quality and precision of reconstruction model.
数据处理是逆向工程中一项重要的技术环节,它决定着模型重建过程能否准确、顺利地进行。
Preprocessing of "points cloud" data and surface reconstruction are the critical technology of reverse engineering and are the premises of building product CAD model.
“点云”数据的预处理和曲面重建技术是反求工程的关键技术,是产品CAD模型建立的前提。
Reverse engineering technology has been applied to vehicle body design, and data point compression is an important link of data points pre-process in reverse engineering.
逆向工程技术已广泛应用于汽车车身设计中,而数据点压缩是逆向工程中数据点预处理的一个重要环节。
The differences between reverse engineering (re) and traditional obverse design were compared, and the coordinate data collecting and modelling in re were discussed.
比较了逆向工程技术(RE)与传统的正向设计的差别,对于实施RE中的坐标数据采集和建模技术进行了论述。
A method of automatic segmentation and surface reconstruction of scattered data in reverse engineering was presented.
提出了一种在反求工程中对散乱点云数据进行自动分割与曲面模型重构的方法。
The paper discussed the methods of data collecting and data processing in reverse engineering.
讨论了反求工程中数据测量以及经采集后的数据如何进行处理的问题。
According to Inland Revenue data continuity requirements, we apply reverse engineering method to refine and inherit valuable legacy data.
对税务数据的延续性要求,采用对遗留系统的继承策略、施行逆向工程、进化接收有价值的遗留数据。
For dealing with the cloud data in reverse engineering, one region-division method which based on character is presented to divide up cloud data, this provides advantage to the later surface fitting.
对反求工程中的点云数据处理,给出一种基于特征的区域分割法来划分点云,为后续曲面拟合提供有利条件。
With incomparable advantage, the non-contact laser measurement becomes the most widely used method for data collection in reverse engineering.
作为逆向工程中形状表面数字化应用最广泛的方式,非接触式激光测量具有接触式测量无可比拟的优势。
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