discrete data造句
例句与造句
- Associating with the research and development of national natural heavy concentrate system , considering the feature of natural heavy concentrate database separately stored in every province , which is of mass data , discrete , irregular distribution , and influenced by hardware factors , such as computer configuration and network transfer speed , distributive database and parallel computing philosophy is applied , zone partition and multi - threading queue method is employed to retrieve and process the discrete data within a certain polygonal zone
结合全国自然重砂系统研制,针对分散存放在全国各省的自然重砂数据库,数据海量、离散、分布无规律、受计算机配置、网络速度等硬件因素影响的情况下,应用分布式数据库及并行运算理念,采用区域分片及多线程队列方法对某个多边形区域内的离散数据进行检索与处理。 - Basing on characteristic and request of virtual machining environment , the paper studies and makes the discrete data structure of model . the data structure can express exactly the gradual molding process of workpiece during the course of machining , and note corresponding machining information . so whole virtual production model system is formed
本文根据虚拟加工环境的特点和要求，还研究和制订了相应的离散模型数据结构，该数据结构能使产品模型在加工过程中稳定、准确地表示被加工件的逐步成型过程，并记录相关的加工信息，从而形成了完整的虚拟产品模型系统。 - Secondly , on the basis of the discrete data and smooth feature of the surface of the radome , the inner surface is reconstructed by the bicubic uniform b - spline surface approximating means with least square method . finally , a tool - path planning method is presented , which is a combination of the constant scallop - height method with the isoparametric method
在分析目前最为成熟的结构化和面向对象软件工程方法的基础上，应用结构化和面向对象方法相结合的思想，实现了天线罩测量和磨削的软件系统的分析、设计和开发。 - It can only deal with discrete data . so continuous attributes must be discreted . researching the method of discretiz - ing attribute has important signification in theory and realistic . in this paper we have studied the methods of the discretization of continuous attributes and obtain knowledge from incomplete information systems
粗糙集的理论基础是集合论,它只能处理离散数据,现实中大量的实型数据必须进行离散化,因而,研究连续属性的离散化具有重要的理论和现实意义,本论文对连续属性离散化的方法及不完备信息系统的规则提取进行了研究。 - Therefore , some algorithms of quintic spline interpolation are first developed or improved , tested and evaluated . the algorithm of local quintic spline interpolation ( qa3 ) and quintic b - spline interpolation ( qa4 ) therein are very propitious to curve fitting of discrete data points and to nc programming of freeform curves and surfaces
因此，完善、推导和开发了多种五次样条插值算法，并对其进行了测试和评价，认为：五次多项式样条局部插值算法qa3和五次b样条插值算法qa4非常适合于离散数据的曲线拟合和曲线曲面的nc编程。 - It's difficult to find discrete data in a sentence. 用discrete data造句挺难的
- Furthermore , this thesis has studied the characteristics of ballistic trajectory data of fuze system , and has developed the program for preconditioning the data in the process of the simulation , which is based on the least square method programming with visual c + + 5 . 0 and has enhanced the feasibility of this system . this study is done on account of the fact that the discrete data can not be accepted by the simulation software - working model , which must be turned into successive function
另外，在利用workingmodel对引信系统进行运动学和动力学仿真时，需要输入现场试验测得的数据，而这些离散的试验数据，必须进行计算和前处理(函数化) ，才可以应用于仿真，本文就此问题深入研究了引信系统的弹道数据的特点，并基于visualc + + 5 - In addition , for regular grid data it presents an effective algorithm for some particularity that there are four isopoints in one grid cell and for random discrete data points it lays emphasis on triangulation . this paper firstly put forward three principles : attribute principle of adjoining isolines , attribute principle of isoregions and inclusion principle of ioslines after studying the character of isolines . the bivalue - topology algorithm based on boundary tracking is given , which is founded on the three principle and is used to fill isoregions
另外，在这两部分中除了对边信息链表的形成过程以及基于边信息链表的等值线生成做了详细讨论外，还对规则格网数据的等值线追踪中，一个网格单元上含四个等值点的特殊情形给出了一个比较有效的算法，并在任意离散点数据部分对平面点集的三角剖分进行了着重讨论。 - This process is as follows : firstly , the data of different section contour and of section line have been obtained by reverse - engineering ; secondly , non - uniform b - spline approximation algorithm is used to fit the discrete data ; then the data have been optimized and reduced by adopting adaptive sampling of key points of the fitted curve based on vertical distance , sequently the adaptive sampling data is transformed into the format of the . ibl file of the famous 3 - d design software pro / e . therefore we reconstruct the surface and a model is generated ; lastly , the effectiveness of the adopted algorithm and modeling approach are demonstrated by the experiments
建模型的过程中，首先运用逆向工程测量方法，获得曲面物体上不同截面轮廓线的测量数据点列，接着对测量数据点进行平滑处理，用最小二乘法求解基于数据点列的控制多边形，以非均匀三次b样条曲线拟合截面轮廓曲线；然后利用基于垂距的数据采样算法，对拟合曲线上的数据点进行重新采样，达到优化数据点的分布及减少描述曲线数据量的目的。 - In the field of resource and environment science , digital image processing technology is a new advanced technology . it is a comprehensive technology that transforms , simulates and emulates spatial discrete data , and expresses spatial information models with pictures , solves the analysis of natural processes , then provides us with the basis of management and policy decisions
在资源与环境领域中，数字图像处理技术是一项高新技术，它是在计算机硬件系统支持下，对空间离散数据进行变换、模拟与仿真，用图像表达空间信息模型，解决自然过程分析，进而为人类提供管理与决策依据的一种综合技术。
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