taking of samples

取样

  • Through adopting the ideas of optimal hypersphere and constructing a quadratic programming problem we can construct a similarity measurement matrix by support vectors taking place of samples which can solve uncertain problem dimensionality .

    该方法借鉴了最优超球面思想,通过构造一个二次规划问题,运用支持向量 代替 样本构造相似度度量矩阵,从而解决了不确定问题维度对计算复杂性的影响。

  • Taking statistic datas of performances of men and women volleyball competitions of 2000 Olympic Games as samples the authors found some new traits of world highest volleyball competitions after new rules being applied . Teams that is strong on net are easier to get good results in compelition .

    2000年奥运会男、女排比赛技术统计资料为 样本,分析实施新规则后的世界高水平排球比赛的新特点,即:网上实力强的球队更容易取得好成绩;

  • In this paper using orthogonal experiment method taking three layers feed forward neural network as a example problem of choosing training samples weights and bias training parameter of neural network is analyzed and studied .

    运用正交试验法, 三层前向型神经网络为例, 神经网络的训练 样本、权值和阀值、训练参数的选择进行分析和研究。

  • Taking into account the special ownership of our country we studied 184 samples separately by the nature of the company which controlling shareholder is state-owned or non-state-owned .

    考虑到我国特殊的股权结构,对184家 样本中控股股东为国有股及非国有股性质的公司分别进行了分析。

  • In the second part the writer taking such major currencies in the history of world economy as Pound Dollar Deutsche Mark Yen and Euro as samples reviews their process of internationalization analyzes and obtains their respective characteristics .

    第二章, 世界货币史中的主要国际货币英镑、美元、德国马克、日元和欧元为 样本,回顾其国际化历程,分析并得到它们各自的国际化特征。

  • The practicability of the single and polymorphic site index models is researched by taking Chinese fir as an example adapting Richards growth function as basic model and using the two sets of samples of fitting and testing which were collected in Mount Nanling .

    本文 杉木为例,根据在南岭山地收集的建模和检验两套 样本,以Richards函数为基本模型,对单形和多形地位指数模型进行了对比研究。

  • Taking Dongxin sulphur-bearing oil pipeline as an example the study on the rheology of mixture of oil samples produced from Gudao and Qinghe oilfield has been finished .

    以东辛含硫原油管道为例,对孤岛原油和清河原油 相混后的流变性 进行了研究,提出了一种计算东辛管道输送混合原油粘度的新模型。

  • By taking eighty troops of history data to serve as samples the genetic algorithm with its searching ability and high efficiency is successfully used to train the weights of the multi-layer forward neural network .

    选用了被控对象80组历史数据作为 样本 ,并利用遗传算法的全局搜索能力及高效率来训练多层前向神经网络的权系数。

  • A test is conducted on the applicability of executive control approach in drafting senior managers ′ compensation scheme taking the data of 155 listed companies from 2002 to 2003 as samples .

    以近两年一直实行年薪制的155家上市公司2002年~2003年数据为 样本经理权利论在金额最高的前三名高管人员现金报酬制定过程中的适用性进行了检验。

  • Taking advantages of SVMs in limited samples learning and applying SVMs to fault recognition an on-line intelligent fault diagnosis system based on SVMs is designed .

    支持向量机在小 样本 数据学习中表现出了很大的优势,针对此特点, 支持向量机方法应用到旋转机械故障识别中,构建了一个具有一定智能的在线故障诊断专家系统。

  • Microbion was isolated culture with fermentative stage taking of samples .

    按发酵的阶段 取样、分离培养微生物;

  • Taking the composite index of 8 nations as the samples chapter five analyses the differences between explanations of trading volume of China ' stock to price fluctuation and mature market .

    本文第5章 8个国家的综合指数为 样本,来研究中国股票市场上交易量对价格波动的解释能力与成熟市场上有何不同。

  • Applying the basic idea of period frequency analysis in the method of analysing the time series and taking into consideration the features of periodogram samples the author puts forward a computing method for quick discernment of concealed periods .

    文章运用时间序列分析方法中周期频谱分析的基本思想, 根据周期图的 样本特征,提出了一种快速识别隐含周期的计算方法,并对变形观测中的观测周期确定进行了讨论。

  • Analyzing on the Influential Factors of Participating in Charity in China 's Urban Women : Taking Part of Cites as Research Samples in the Wes Strait Economic Zone

    中国城市女性慈善参与的影响因素分析& 海西区部分城市为研究 样本拿低酬劳参与慈善音乐会的音乐家

  • Taking advantage of average background of the interval images sequence for preprocessing of samples and according to pixel similarity theory choosing those samples that have critical background information for building background model .

    利用间隔视频序列的平均背景对 样本进行预处理,并根据相似性原理,从中提取具有关键背景信息的样本建立背景模型。

  • Chapter 4 is for an empirical analysis . Taking the standard land prices of 13 prefecture level cities in Jiangsu province within the urban areas as research samples we analyze the affecting factors working on the spatial variation land prices .

    第四章为实证分析部分:第四章以江苏省13个地级城市市区为研究区, 各市区基准地价为研究 样本,对江苏省域范围内城市地价空间分异的影响因素进行实证研究。

  • Taking the Badain Jaran Desert and its neighboring district as an example discreteness principal component and correlation of the chemical constituents of water samples were analyzed for the benefit of data collection and test .

    摘要 巴丹吉林沙漠及邻区为例,基于距离空间基本原理,对 水样化学成分进行了离散性、主成分和相关性分析,指导 样品数据采集和化验。

  • Taking two representative periodicals of tropical crops as samples the distribution of publishing year of Chinese and foreign citations in1999 ~ 2002 was analyzed .

    选取具代表性的两种热作期刊为 样本,统计分析其1999~2002年中、外引文出版年龄的分布情况。

  • Blood samples were collected from femoral vein in each group at the time of before taking the medicine and an hour of ischemia later . After one hour of ischemia-reperfusion blood samples were got from inferior vena cava .

    分别于灌胃前、缺血1h时经股静脉取血,再灌注1h后经下腔静脉 血。

  • Taking the experimental data of thermodynamic performance of refrigeration systems as training samples the training courses were compared which use the standard BP algorithm steepest descent algorithm with learning rate optimization and BFGS algorithm with learning rate optimization respectively .

    实际制冷系统的热力性能参数实验数据为 样本,对比 研究了标准BP算法、含学习率优化的最速下降法和含学习率优化的BFGS法的学习过程。

  • In recent years semi-supervised learning has become a research focus in the machine learning field Semi-supervised learning taking advantage of labeled samples and unlabeled samples to guide the learning process leading to better learning performance .

    近年来,半监督学习已经成为机器学习领域的一个研究热点。半监督学习 同时利用标记 样本和无标记样本来指导学习过程,从而获得更好的学习性能。

  • Although the taking of samples of paper and relationships between variables exist certain of limitations it is still perceived quality and brand loyalty and broadens the research ideas .

    尽管 本文 样本 抽取以及变量间的关系存在着一定的局限性,但还是为研究感知质量与品牌忠诚的关系增加了新的视角。

  • Taking the surveyed of optical quasars in two celestial areas ( 5 °× 5 °) made by Savage-Bolton as samples the author analyses systematically the number of quasars in alignment and compares the result with the random distributed sample generated by Monte Carlo method .

    Savage-Bolton的两个5°×5°天区的光学类星体巡天为 样品,本文系统地分析了成线排列的类星体数目,并与由MonteCarlo方法产生的随机样品进行了比较。

  • The direct weight address mapping techniques are employed in the underlying algorithm of the model and the relationship between the inputs and weights is established by taking the scaled inputs of training samples as the head address of C weights unit in the associative memory .

    模型算法采用直接权地址映射技术, 训练 样本的输入量化后直接作为联想存储器中C个权的首地址,建立起输入与权的关系。

  • Taking into account cost and quality of products our experiments showed that the rational technology is soaking the samples in the solution of CaCl 2 ( 0.8 % ) for thirty minutes before HPP then processing them at 300 MPa at ambient atmospheric temperature for ten minutes .

    兼顾成本和保鲜效果,实验所确定的合理加工工艺为:高压加工前先在 0.8%CaCl2溶液中浸泡30min,然后在常温条件下以300MPa的压力处理10min。

  • Taking the data of real estate companies as samples from 1998 to 2003 it appears to us that the capital structure has a good impact in making profit through theory analysis and studies other factors .

    本文 房地产行业上市公司1998~2003年度的数据为 样本,在一定的理论分析及其他因素的限定下,研究资本结构对盈利的影响。

  • With application to civil engineering this thesis advises a new method for determining the training error of a neural network by taking into account the stochastic characteristic of the training samples .

    结合土木工程应用, 考虑训练 样本的随机特性,本文提出了一个新的选取训练误差初始值的方法。

  • Taking the grey distribution of metallic samples and their corrosion modality as the knowledge base the diagnosing system identifying corrosion modality of metallic material in seawater was established according to the theory of fuzzy pattern recognition . The images can be identified by grey distribution .

    所得 样本的灰度值分布和对应的腐蚀形貌作为知识库的 标准 样本,用模糊模式识别理论建立了腐蚀形貌诊断系统,可以由扫描灰度值分布判断金属的表面腐蚀形貌。

  • In this paper the principle of fluorescence / scattered radiation method is studied and taking measurement of geological powder samples . The conditions and effects of using this method to portable X-ray fluorescence analyzers are discussed .

    本文针对轻便X射线荧光仪,探讨了特/散法的校正机理,并主要 结合地质粉末 样品测量,讨论了方法的应用条件及有关影响因素。