查询词典 weighting function

The first coefficients of canonical correlation of body weight traits with body measurement traits was significant (P.01), the canonical correlation coefficient was 0.828, respectively represented 92.11% of total correlation. The first coefficients of canonical correlation of body weight traits with age-corrected and backfat thickness-corrected of weighting at 100 kg were significant (P.01), the canonical correlation coefficient 0.851, respectively represented 97.80% of total correlation. The first and second canonical correlation coefficients of body measurement traits with age-corrected and backfat thickness-corrected of weighting at 100 kg were significant (P.05), the first canonical correlation coefficient was 0.607, respectively represented 78.52% of total correlation.

体质量与体尺性状间、体质量性状与100kg体质量校正日龄和背膘厚间的第一典型相关系数均达极显著相关水平(P.01)，分别为0.828和0.85，占总相关的92.11%和97.80%；体尺性状与100kg体质量校正日龄和背膘厚间的第一、二典型相关系数达显著相关(P.05)，第一典型相关系数为0.607，占总相关的78.52%。

Firstly, those useless to classify texts are filtered according the category document frequency distribution difference of each feature; and then in order to overcome the limitations of TF-IDF weighting formula a novel weighting formula called TF-CDF is presented . Calculate the weight of each feature according to TF-CDF and build the Vector Space Model for the entire corpus. To select significant features, a feature selection approach based on Variable Precision Rough Set is also proposed and implement with some SQL sentences combining the definitions of VPRS with the advantages of SQL sentences.

该文首先根据特征词的类别分布差异进行特征过滤；然后，分析传统的权值公式TF-IDF的缺点，采用改进的权值计算公式简记为TF-CDF，依据TF-CDF公式计算每个特征词的权值，生成文档集的向量空间模型VSM；接着，提出了一种基于可变精度粗糙理论的特征选择进一步选择对分类贡献度大的特征，并用SQL实现。

The gray relational analysis have four steps :(1)grey generating;(2) grey relational coefficient;(3) grey relational grade;(4) gey relational ordinal. In Grey Relational Grade of weighting is using Entropy weighting.

另外以各品质特性，进行灰关联生成与计算灰关联系数，以熵权重将各序列组的灰关联系数整合成一灰关联度，由灰关联度排序获得最佳参数组合。

Corporate governance, together with management, technology and enterprise culture determine listed corporation competitive power, by way of mutual influence.This paper further studies each driving factor of listed corporation competitive power and sets up evaluation indicator system for listed corporation competitive power. Then, this paper chooses objective method of weighting based on coefficient of variability of indicant and subjective method of weighting based on AHP and adopts comprehensive index evaluation method to construct index model of listed corporation competitive power.

本文进一步对上市公司竞争力的每一个驱动因素进行了深入研究，建立了上市公司竞争力评价指标体系；然后，在详细梳理学者对企业竞争力进行评价的方法的基础上，确定了基于标志变异系数的客观权重法与基于AHP的主观权重法相(来源：A5dB2c2cC论文网www.abclunwen.com)结合的综合评价方法，利用综合指数法构建了上市公司竞争力指数模型。

A structure of space-time diversity virtual double-route weighting interference mitigating is proposed, and the corresponding practical algorithm is derived in detail using block matrix inversion formula and matrix inversion theory for mitigating interference signals from both other cells and other users of local cell in the DS-CDMA up-link communication case. Performances of such algorithm are thoroughly analyzed through simulation and analytical results. The up-link and down-link channel characters and their relationship of DS-CDMA communication system are thoroughly analyzed, and the relationship of space-time diversity weighting matrix between time division duplexing and frequency division duplexing these two different transmission ways is derived.

本论文深入地比较了DS-CDMA通信系统的上传情形与下传情形的信道特性及其它们相互之间的关系；深入地分析并得到了时分双工和频分双工两种不同的传输模式下的上传情形与下传情形的空时分集权系数矩阵之间的数量关系，从而使得能够利用在基站端所拥有的上传情形的空时分集接收权系数矩阵信息以及其他信息在基站端直接形成空时分集发射权系数矩阵；推导了下传情形移动用户接收机端的最优组合接收策略及其算法；进一步地，对时分双工传输模式下的下传情形的通信系统性能和频分双工传输模式下的下传情形的通信系统性能进行了深入的比较仿真研究。

In chapter 4, by analyzing the interchange of seepage water between overburden layer of weak permeability and sandy gravel bed, a short computer program for adopting weighting soil layer on the landside of dike is put forward, the optimal design schemes about combination weighting soil layer with inverted drainage works are studied.

第四章 通过分析堤基弱透水覆盖层与下卧砂砾层之间的渗流关系，创建了堤防背水侧盖重压渗的快捷计算模型并研制了相应的计算软件，提出了盖重压渗与反滤导渗相结合的优化设计方案。

Study and Application on The Index Weighting Method of Minimizing Deviations;2. This paper puts forward an index weighting method of minimizing deviations in multi-attribute decision-making.

提出了一种用于多属性决策中的最小偏差指标赋权方法，该方法将主观和客观两类权重信息相结合，既充分利用了客观信息，又尽可能地满足了决策者的主观意愿。

It mainly finished the following several jobs. Pretreated the documents. Improved the Okapi term weighting formula. It also separated the term weighting and completed attributes reduction and rules extraction tasks. Firstly it reduced the feature vector dimensions by using discernible matrix. Then reduced it again by computing relative reductions.

主要完成了以下几个方面的任务：对文本进行了预处理；改进了Okapi权重计算公式，并对权值进行了离散化；实现了属性约简和规则抽取，首先利用区分矩阵对特征向量维数进行了初次压缩，然后通过相对约简计算再次压缩了特征向量维数，并生成了决策规则；采取了规则合成的策略，生成最终的决策规则；设计了一种文本与规则的匹配算法，使匹配过程尽可能简单有序。

When these coefficients are quadratic functions of the porosity, specific constituent orthogonal weighting coefficients are derived from these orthogonal conditions along with a discussion about how to extend the applicable range of the constituent orthogonal weighting coefficients in the orthogonal coordinates. Based on the combination of the theory of critical porosity and the constituent model, it presents a specific example of the constituent model that includes two transforming points. The reasonability of above-mentioned theories is shown by comparison of theoretical calculations and measured data on effective elastic moduli of clean sandstone or sandstone analogs saturated with pure water.

再次，结合弹性模量组分关系方程与正交基函数理论，推导组分加权系数的正交条件；基于正交条件，提出组分加权系数为孔隙度二次多项式时正交组分加权系数的构造方法以及正交组分加权系数适用范围的拓展方法；结合临界孔隙度理论，提出一个基于两个状态分界点的组分模型实例；比较组分模型的计算结果与前人关于砂岩弹性模量的实验结果，证明了组分孔隙介质模型理论的合理性。

The sequence of weighting factors used for one signal across the different frequency channels is preferably orthogonal to the sequence of weighting factors used for a different signal.

通过不同频率信道用于一个信号的加权因子序列最好与用于不同信号的加权因子序列正交。

A backer of an Afghan law that critics say legalizes marital rape has rejected the international outcry as foreign meddling.

饱受批评的一项法律的拥护者说合法化的婚内暴力不会受国际舆论的干涉。

Years ago, a ancient Egyptian fleet went to the Land of punt for seeking a kind of flavor named "myrrh", and aromatic plants which has dense exotic style for the queen Hatshepsut.

3500年前的一个古埃及的舰队到&彭特之地&寻找一种叫没药的香料。