Firstly, the preprocess of sample data are performed to get normal data for construction project bidding of complex indexes.
针对建筑工程这一企业对象中复杂指标的评标问题,首先对样本数据进行预处理,得到数据的规范化形式,然后利用这些样本输入SOM神经网络模型,并对其进行训练,构造出一个具有一定决策能力的综合评估模型。
Based on the characteristics of received sample data in the TD-SCDMA system, this paper combines the processes of polynomial regression reasonably and chooses the optimum partial sample data according to it.
根据TD-SCDMA接收系统样本数据特点,对多项式回归过程进行了合理组合并将其作为最佳样本数据选择依据。
The key is how to use the sample data and mathematical model.
我认为这种现象有利也有弊,关键是如何利用好数学方法和样本数据。
Data sampling interpolation algorithm based on computer sampling theory and its application in modern numerical control system;
计算机数据采样插补算法及其在现代数控系统中的应用
The interpolation algorithm for involution is proposed in accordance with the principle of data sampling.
根据数据采样法的基本思想 ,提出了一种渐开线的插补算法 ,介绍了该方法的基本原理和实现方法 ,对插补的轮廓误差进行了分析 。
According to the basic idea of data sampling interpolation s time division,under the condition of machining quality being guaranteed,the cutter-center path is programmed into some straight line segments,consequently the feed rate between adjacent lines is almost constant.
具体依据数据采样插补的时间分割基本思想,在控制加工精度的条件下,将刀心轨迹离散为若干直线段的同时,确保相邻线段间的进给速度基本恒定。
Analysis and countermeasures of problems about unusual sampling data in microprocessor-based protection;
微机保护采样数据异常问题的分析与对策
First, it gives a method of extracting signal frequency from sampling data Second,it also gives the range of relative errors by the relative errors formulation Finally, the theory is verified under the environment of Matlab and the results are also given The conclusion may be taken as a tutor for research of extracting signal frequency from sampling dat
首先 ,提出了一种从采样数据中提取信号频率的方法 ;其次 ,通过相对误差计算公式给出了此种方法的相对误差 ;且在 m atlab环境下验证了此种算法并给出了仿真结果 ,对从采样数据中提取信号频率的研究有一定的参考意义。
The record of CAT is a series of sampling data.
计算机辅助测试所得记录为一系列经滤波的离散采样数据,要把它恢复成不失真的连续光滑曲线打印输出,应对数据进行处理。
Chaotic anticontrol of a class of two-dimensional continuous time linear systems using sampled data;
基于采样数据二维连续线性系统的混沌反控制
The single parameter sampled data feedback control directs the system to unstable equilibrium point with only one parameter.
对最近提出的Liu混沌系统建立了自反馈控制和单参数采样数据反馈控制方法。
The system state variables are sampled at a given sampled period,and a sine function constructed by the sampled data is used both to form a discrete-time state feedback controller and to make the continuous-time,stable and linear systems chaotic.
针对具有复特征值的稳定连续线性系统,提出了一种基于采样数据的混沌反控制方法。
Subsurface structures have been obtained through regional deep seismic profiles and kinematic data recovered from nearly continuously cores.
通过区域深反射剖面和近于连续的岩心样品数据,已经获得了地下的精细结构剖面。
Electronic Design File Management Platform in PDM System
产品数据管理中的电子图样文件管理平台
Geochemical and Environmental Reference Materials and the GeoReM Database
地球化学与环境样品分析标准物质和GeoReM数据库
According to the experimental data of five samples, the dynamic magnetic properties are introduced.
根据对5种样品的实测数据,讨论了薄膜的动态磁化过程。
The set of individuals, items, or data from which a statistical sample is taken.
总体,母体从其中抽出统计样品,例如一组个体、物品或数据
The above- mentioned data is made in our laboratory, not constitute a guarantee specifications. Test our samples before your actual uses.
以上为实验室数据,不构成保证规格,使用前请测试我们的样品.
Abundant data and samples have been recovered by ocean drilling for studying the seafloor hydrothermal activity.
大洋钻探为海底热液活动研究提供了大量数据资料和样品。
In most cases, a representative sample of data is required for defining the statistics of the wind field.
在大部分情况下,为了确定风场的统计,需要代表性的数据样品。
Comparison on different DNA extraction methods for batches of bloodstain samples during the establishment of national DNA database;
DNA数据库建设中批量样品不同DNA提取方法的比较
Analysis of Accuracy of Experimental Data of Measuring Solid Sample by NaI(Tl) Multichannel Analyzer.
NaI(Tl)多道谱仪测量固体样品时实验数据准确性分析
The product definition shall include drawings or mathematically based data, product design reviews results, and? diagnostic guidelines where applicable.
产品定义包括图样或以数学为基础的数据、产品设计评审结果、诊断指南。
sampled data analog computer
抽样数据模拟计算机
statistical sampled-data control system
统计数据抽样控制系统
In the absence of actual data no reliance can be placed on such figures.
这样的数据不可靠。
random input sampled-data system
随机输入采样数据系统
nonlinear sampled-data system
非线性采样数据系统
In situ samples and measurements
站位样本和测量数据
World Culture Data Centre
世界培植品数据中心(培植数据中心)
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