可分性
- separability;separableness;divisibility;partibility
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基于类间可分性度量和SVM的多故障分类算法
Multi-Fault Classification Algorithm Based on Inter-Class Separability and Support Vecton Machine
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c与可分性之间的关系,结合点可数基讨论了一些空间的某些性质。
C and separability are discussed . Meanwhile , some point countable base certain properties of some spaces are discussed and narrated .
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基于可分性判据排序的RBF神经网络属性选择方法
A RBF Neural Networks Attributes Selection Method Based on Separability Criterion Ranking
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提出了一种可分性判据排序的RBF神经网络属性选择方法。
Another method of RBF neural networks attributions selection based on a separability criterion ranking is presented in this paper .
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采用Fisher可分性准则作判据,进一步确定了3维最佳特征向量。
A 3 D optimum classification feature vector is then built according to Fisher 's separability criterion .
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根据稀疏编码的聚类特性,利用模糊C均值聚类对稀疏编码基函数进行初始化以进一步提高特征的可分性。
A Fuzzy C mean clustering method based on the clustering property of sparse coding is used to initialize the basis function of sparse coding to further improve the sparse feature recognition performance .
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核函数隐式的定义了一种非线性映射函数Φ(x),我们希望样本通过Φ(x)映射到高维特征空间中能够具有更好的可分性。
Kernel function implicitly defines a nonlinear mapping function (?) ( x ) . We hope the samples can possess better separation after mapped to high-dimensional feature space through (?)
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该方法在不同的特征空间上训练多个SVM。对样本分类的时候,根据样本在不同特征空间上可分性选择一个SVM对其进行分类。
The method trains several SVMs in different feature space , and selects an SVM to classify a sample according to its separability in the feature space .
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满足Theil可分性的不公平指数必定是无界的。
It is shown that the inequality indexes satisfying Theil decomposability must be unbounded .
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第二种方法基于localbinarypattern(简称LBP)纹理模型提取目标的关键点,结合颜色和纹理特征表示目标,增强了目标和背景的可分性。
The second method combines the color with texture feature to represent the target based on the key points extracted by Local Binary Pattern ( LBP ), which enhances the separation between the object and the background .
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研究结果表明,不同状态下主减速器信号的关联维数和最大Lyapunov指数有明显的可分性,两者都可以作为识别信号特征和程度的有效量化指标。
Experiments results show correlation dimension and largest lyapunov exponent of different main reducers are different , they can be used as the quantification factor of recognizing signal features and level .
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用Fisher线性识别技术考察了暂态稳定输入空间的线性可分性,并将其应用于神经网络训练样本集的压缩。
This paper proposes to assess the separability of input spaces for transient stability assessment by the Fisher linear recognition and uses it to cut down the training sample set .
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利用单克隆抗体鉴定人甲胎蛋白(HAFP)抗原结构可分性
Separability of antigenic structure of human alpha-fetoprotein is proved by monoclonal antibodies
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选择最优或接近最优的非线性变换核函数参数,使类的可分性测度最大,是KPCA应用于特征提取的关键。
How to select the optimization of nonlinear transforming kernel function parameter is the key to KPCA application in the feature extraction .
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结果证明,SARS-CoV的该类特征具有很好的模式可分性,与模式分析方法的结合则可以作为可视化的佐证,可以更充分地利用特征片断作为判别SARS-CoV的一种非常规的手段。
The result shows that the characteristic of SARS-CoV is classifiable . Some combined methods can use the characteristic more sufficient as an un-routine method .
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第一,本文解决了2×3×N系统上一类PPT态可分性的判别问题。
The main results of this part in our thesis include : Firstly , the separability problem for a class of PPT mixed states in 2 × 3 × N system is solved completely .
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二维小波变换可使图像目标特性在不同分辨率下显露出来,所得细节图像和近似图像可在多分辨下反映分布目标的纹理等特征,具有更强的类别可分性,对SAR图像分析十分有意义。
With 2D-wavelet transform , the characters of image objects can be found in different resolution , texture features can be extracted form detail and approximate images of wavelet transformation . It 's very useful in SAR images analysis .
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心肌梗死诊断中的SDEC可分性准则研究
Study of Separability Criterion Based on SDEC in Myocardial Infraction Diagnosis
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将高光谱图像分成波段子集进行特征提取,利用对图像中噪声程度及目标、背景之间可分性敏感的特征样本高阶统计量构造基本置信指派函数,通过DS证据推理实现特征层智能融合异常检测。
Features were extracted from subband sets of hyperspectral imagery , then fusion algorithm for detection was implemented by D-S evidence reasoning while basic belief assignment function was constructed involving high-order moments of features .
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通过对图的密度矩阵简单的组合条件(“度数条件”)判断图的密度矩阵的可分性。这个条件直接与PPT判据相联系。
We test the separability of the density matrix by researching the simple combinatorial condition ( the " degree condition "), The condition is directly related to the PPT-criterion .
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研究结论如下:①通过类别的可分性(J-M距离)计算了不同地物的最佳分离度窗口。
The study results are as follows : The study calculated the best separability window of different objects through J-M distance .
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其一,基于椭圆曲线离散对数问题和Brands的受限盲签名技术,并引入可兑币实现电子现金的可分性,构造了一个离线的公平可分电子现金系统,可用于多次精确支付。
First , we proposed a fair divisible off-line e-cash system based on elliptic curve discrete logarithm problem ( ECDLP ) and restrictive blind signature technique . By using transferable cash , the divisibility can be achieved . So the electronic cash can be paid in precision .
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CMP点均匀分布在一个共反射面元内,面元具有可分性,地震处理人员可根据不同的地质任务选择面元大小,增加了资料处理和解释的可选性。
Common-mid points lie uniformly in a common reflection bin , which is divisible . Seismic data processors may choose proper bin size according to different geology tasks , increasing the options in seismic data processing and interpretation .
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KPCA引入核函数的概念,将原始空间映射到高维的特征空间,在高维空间进行主元分析,使输入数据具有很好的可分性。
The KPCA introduce the Kernel function concept , and map of the data set from its original space into a hyperdimensional feature space and carry out PCA , then make the data have good separability .
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用一个基于平均距离测度的类别可分性准则来确定将不同类样本分开的难易程度,同时给出了相应的类别序号重排方法,其目的是为了克服传统DAG结构可能引起的误差累计。
A class separability criterion based on distance measure and the corresponding category number rearrangement method are provided in order to determine the class divisibility , its purpose is to overcome the cumulative errors cased by the traditional DAG structure .
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针对传统特征提取方法缺乏量化依据的问题,提出基于小波包分解、Fisher准则和SFFS搜索算法的时频优选特征提取算法,并采用可分性测度对上述特提取方法的有效性进行评价。
Considering the lack of quantitative criterion in traditional feature extraction methods , a new time-frequency feature extraction method based on wavelet decomposition , Fisher principle and SFFS selection algorithm is presented to optimize feature mining capability .
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采用主成分分析对原始的高维数据空间进行优化,去除了数据间信息重叠,使用wilks准则对主分量进行选择,保证了重构数据具有最佳可分性。
Using principal component analysis to eliminate duplication of information of the original high dimensional data space , and using Wilks criteria to select principal components ensures the reconstruction of data with the best separability .
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实验结果表明,基于SDEC的可分性准则应用于心肌梗死心电信号特征提取和分类能有效地克服现存可分性准则实现上的困难,并与心肌梗死实际演变过程中的可分性相一致。
The experimental results show that the separability criterion based on the SDEC is able to overcome implementary difficulties effectively in myocardial infraction ECG feature extraction and classification , and consistent with the evolution process of myocardial infraction .
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我们研究了量子态的可分性和纠缠度量。
We investigate separability and measure of entanglement for quantum states .
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有界灰数空间的完备性可分性与局部紧性
Completeness , Separability and Locally Compactness of Bounded Grey Number Space