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Returns a vector which lists the same lexemes as the given vector, but which lacks any position or weight information.

返回一个带有一列与给出向量相同语意的向量,但是它去掉了所有的位置和权重信息。

Through SVM can perfectly solve the problem of small sample learning, it fails to make use of the unlabelled samples of data.

针对这种情况,本文首先研究了支持向量机的基本原理和算法,指出支持向量机是一种基于统计学习理论的通用学习算法,能够较好地解决小样本学习问题。

The creative-thinking strategies such as SCAMPER、brainstorming、attribute listing and synectics were used to guide members in the experimental group to conceive the idea of vector drawing.

研究设计采不等组前后测准实验设计,实验组和控制组皆先进行相同的向量绘图技能教学,待两组学生在「专业」成分具相同基本技能后,实验组施以「创思向量绘图教学」,在引导构思时,导入SCAMPER、脑力激荡、属性列举法及分合法等创造思考策略,控制组则以范例作品欣赏及全班问与答的方式进行引导。

The surface planishing and 1mm diameter (where the soil sample passing through 1mm standard griddle) are idealer process and appropriate diameter selection for measurement indoor, because they have lesser standard error vector of testing direction and average reflectance in repeated measurements for soil with different texture.

表面压平处理方法及1mm粒径条件下,不同质地的土壤总体上都能获得具有相对较小的测试方向上的标准差向量及多次重复测试反射系数平均值之间的标准差向量,是室内测试较理想的表面处理方法和合适的土壤粒径选择。

Based on the data of Larch in eastern region of Daxinganling,the single entry volume table of Larch is established by using artificial neural networks and regression analysis.

采用大兴安岭东部落叶松Larch的材料,分别运用人工神经网络和回归分析方法编制了落叶松的一元材积表,人工神经网络在拟合过程中以落叶松胸径作为输入向量,以单株材积作为输出向量,并选出既符合林木材积曲线分布规律,又具有较高拟合准确度的网络模型,其网络结构为1∶2∶1,网络对象名为Enet。

This text has described basic principle and thought of supporting the vector quantity to come back, introducing supports the vector quantity to return to the algorithm and several kinds of common kernel functions used i.e.

本文论述了支持向量回归的基本原理和思想,介绍了支持向量回归算法以及所用到

The whole process of text representation were discussed — word segmentation, building stop words list, feature selection, weight computation and generating vector space. Aim at the influence of stop words, a list, which is fit for text categorization, is set up and makes the vector dimension reduce.

针对停用词对分类的影响,建立了适合文本分类的停用词表,使向量维数得到初步降低;对现有特征选择方法进行了介绍和对比,构造了一种适合支持向量机的特征选择函数——基于类内频率的特征选择函数。

This thesis proposed the design and implementation of an ASIC for the motor control with DTC technology. Note that this ASIC is implemented by cell-based Design style with Verilog language.The basic principle of the Direct Torque Control is to select the switch sequence of the inverter. Those switches will control the magnetism and torque of the stator, to induce a fast response of the induction motor. Furthermore, the d-q axle's static coordinate, which is transferred from both the three-phase current and voltage, is used to compute the stator's magnetism and torque. By comparing with original values, those magnetism and torque will be calculated and set to new data. Then the switching table and the hysteresis controller are decided with the new data to generate a voltage vector and to control the stator magnetism and torque.

直接转矩控制的基本原理为经由侦测马达定子磁通与转子转速,来适当的选择变频器功率电晶体的切换状态,以获得快速且不易受外在环境影响的马达控制响应;首先,根据量测三相电流与利用变频器的切换状态取得马达的三相电压,将其转换至d-q轴静止座标,然后藉此估测马达的磁通量与转矩量,再分别与侦测的定子磁通量和转矩量比较后,得到定子磁通量与转矩量比较的结果,再利用DTC电压向量切换表(DTC Voltage Vector Switching table),依定子磁通与转矩的比较值及马达所在的角度位置,来选择一个适当的电压向量,进而依切换顺序来激发功率电晶体,达到控制感应马达的目的。

The time-history velocity response signal of pile can be decomposed by Sym wavelet. The power spectrum value can be extracted from some specified spectrum range. These values from one signal makes up the characteristic vector representing this signal. The relationship between characteristic vector of pile and pile defect type can he established by using BP artificial neural network. Abundant time-history velocity response signals of pile can be acquired by numerical simulation method.

利用Sym小波对基桩速度响应时程曲线进行小波分解,对指定频带上的信号分量进行特征值提取,提取的特征值为反映各频带范围内体现能量分布的功率谱均值,提取的特征值可构成反映信号特征的特征向量,同时利用BP人工神经网络的非线性映射特性建立特征向量和基桩缺陷类别之间的一种对应关系。

The traditional classification methods only use one single classifier, which may lead to onesidedness, low accuracy, and that the samples nearby the Support Vector Machine hyperplanes are more easily misclassified. To solve these problems, the multifeature fusion method based on SVM and KNearest Neighbor classifiers was presented in this paper.

针对传统分类方法只采用一种分类器而存在的片面性,分类精度不高,以及支持向量机分类超平面附近点易错分的问题,提出了基于支持向量机和k近邻的多特征融合方法。

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推荐网络例句

We have no common name for a mime of Sophron or Xenarchus and a Socratic Conversation; and we should still be without one even if the imitation in the two instances were in trimeters or elegiacs or some other kind of verse--though it is the way with people to tack on 'poet' to the name of a metre, and talk of elegiac-poets and epic-poets, thinking that they call them poets not by reason of the imitative nature of their work, but indiscriminately by reason of the metre they write in.

索夫农 、森那库斯和苏格拉底式的对话采用的模仿没有一个公共的名称;三音步诗、挽歌体或其他类型的诗的模仿也没有——人们把&诗人&这一名词和格律名称结合到一起,称之为挽歌体诗人或者史诗诗人,他们被称为诗人,似乎只是因为遵守格律写作,而非他们作品的模仿本质。

The relationship between communicative competence and grammar teaching should be that of the ends and the means.

交际能力和语法的关系应该是目标与途径的关系。

This is not paper type of business,it's people business,with such huge money involved.

这不是纸上谈兵式的交易,这是人与人的业务,而且涉及金额巨大。