In this paper, a new histogram method for the size estimation of query result is presented.
提出了一种新的用于估算查询结果大小的直方图方法。
In this paper, a function testing size estimation model based on function point analysis is proposed.
提出一种基于功能点分析法的软件功能测试规模估算模型。
Objective: To introduce the methods for sample size estimation based on width of confidence interval.
目的:介绍基于置信区间宽度的样本含量估计方法。
Histogram is the common method for size estimation of query result in many commercial database systems.
直方图是许多商用数据库系统中最常用的一种估算查询结果大小的方法。
Size estimation of multidimensional views of data warehouse is a fundamental step for data cube design, warehouse storage planning, and query optimization.
对数据仓库多维视图进行容量估计是数据立方体设计、数据仓库存储规划和实施查询优化的基础。
ObjectiveTo investigate HIV high risk population size estimation method, analyze the epidemic situation in China and offer scientific evidence for policy making.
目的研究适合我国艾滋病疫情的高危人群估计方法,并进行流行形势分析,为制定防治政策提供科学依据。
RUP development process is the mainstream of modern software development with characteristics of iteration and use case driven. UCP based on the use case is a software size estimation technique.
RUP的开发具有迭代、以用例为驱动的特点,是现代软件开发的主流,UCP是基于用例的软件规模估算技术。
Frequently, developers adopt a conservative estimation of the maximum size, which may result in a significant waste of memory resources.
开发人员经常采用最大数据尺寸的保守估计,而这样可能导致严重的内存资源浪费。
But no matter how you slice it, estimation is critical skill and essential to the success of any software development effort of any size or consequence.
但无论如何,估算是项重要的技能,且对任何规模或任何重要程度的任何软件开发投入来说,估算都是成功的关键。
Cardinality estimation is a process by which the optimizer USES statistics to determine the size of partial query results after predicates are applied or aggregation is performed.
基数估计是这样一种过程:在应用了谓词或执行了聚集之后,优化器使用统计信息确定部分查询结果的大小。
In any case, give some thought to the size of this project and how much (or how little) estimation you can do.
无论如何,思考一下这个项目的大小,看看你能预估多少东西。
An adaptive multiple model algorithm based on residual is presented, its basic idea is to assign the probability of each model in overall estimation through the size of residual.
提出了一种基于残差的自适应多模型算法,其基本思想是通过残差的大小来分配多模型中单个模型在整体估计中的权重。
To obtain the effort of software projects, an effort estimation method based on software size is presented.
为获得软件项目的工作量,提出了根据规模进行工作量估计的方法。
Based on effect of the impedance Angle value size in flicker calculation formula, an engineering estimation method of impedance Angle for flicker calculation is presented in this paper.
本文在考察了闪变计算公式中网络阻抗角数值大小的影响作用后,提出了一种闪变计算中阻抗角工程实用估算方法。
A half pel accuracy and variable block size motion estimation scheme is discussed lastly.
最后讨论了半像素精度和变块大小运动估计方案。
With the perfect characteristics of acoustic vector sensor in the low frequency band, accurate DOA estimation is achieved with small array size.
利用矢量传感器在低频段的良好特性,实现了小尺寸声阵条件下的高精度目标DOA估计。
A new idea served for study on genetic gains of multiple character and estimation of basic population size was represented in the paper.
为作物育种中多性状遗传进度研究及群体规模估计提出了新的设想。
With the exponential increase in the size of the IP network and the urgent demands in network management and maintenance, traffic matrix estimation has currently become an interesting topic.
随着IP网络规模指数式增长而带来的对网络管理和维护的迫切需求,流量矩阵估计已成为当前的热点研究问题。
Estimation of right atrial size on plain radiography is fraught with difficulties .
在平片上很难估计右心房的大小。
It supports the variable block size motion estimation, and has the high pipeline efficiency and high performance-price rate.
该结构能够实现多尺寸块运动估计处理,并且具有高流水效率和高性价比的特点。
A scheme of variable block size Multiresolution Motion Estimation (VBMRME) is presented in this paper, which reduces temporal redundancy between pictures of the image sequence.
提出了一种基于小波变换的块大小可变的多分辨率运动估计方法(VBMRME),以减少图象间的时间冗余。
Unbiased estimation of flow size, the upper bound of relative error and the time and space complexity are deduced theoretically.
理论上给出了算法的流大小的无偏估计,相对误差的上界以及时间和空间复杂度。
The calculation formulas of sample size based on the error limitation are given for estimation of population mean.
对于样本均值估计总体均值,给出了基于误差限制的样本容量的计算式。
The accurate intrinsic dimension estimation also profit to select an appropriate neighborhood size in data processing for avoiding dimensionality curse.
并且,在数据处理过程中,准确的本征维数估计对选取合适的邻域大小有很大的帮助,可以避免“维数灾难”。
The estimation methods for insect genome size are introduced, and the variation of insect genome sizes and its significance are also discussed.
本文还介绍了昆虫基因组大小的估计方法, 讨论了昆虫基因组大小的变化及其意义。
The software estimation makes statistical estimation on the software size of a project.
计算机软件估计对项目的软件规模进行数字上的近似。
Our method gains better estimation of data distributions and mitigates the unrepresentative problem of small-size training samples.
我们的方法得到了数据分布的较好估计,能够减轻小样本的无代表性问题。
The software developed in this paper mainly contains curve fitting of measuring data, Gaussian distribution estimation of curves, calculation of the size of facula, divergence angle and waist facula.
文中开发的实验数据处理软件主要包括测量数据曲线的拟合、判断曲线是否符合高斯分布、光斑大小的计算、发散角和腰斑大小的计算。
Two methods of how to choose neighborhood size parameters were discussed. The methods are based on recurrence plot and noise level estimation respectively.
我们研究了基于递归分析的邻域半径参数的估计和基于噪声强度的邻域半径参数估计。
Two methods of how to choose neighborhood size parameters were discussed. The methods are based on recurrence plot and noise level estimation respectively.
我们研究了基于递归分析的邻域半径参数的估计和基于噪声强度的邻域半径参数估计。
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