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文本挖掘的起源
文本挖掘的过程
特征建立
特征集缩减
知识模式提取
模型评价
国内外研究状况
-Text Mining Text Mining the origin of the process of establishing reduced feature set of knowledge extraction model to evaluate the model at home and abroad Research
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一片讲述Web 可视化的论文,
Web站点结构及网页特征信息的抽取和过滤
-on a Web visualization of papers, Web site structure and website feature information extraction and filtration
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SVM 特征选取的c代码，训练正负两类样本快速提取-C code for SVM feature selection, training, rapid extraction of the two kinds of positive and negative
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这篇论文值关于三角网格模型特征线提取方法的
欢迎下载-The paper value of the triangular mesh model of the feature line extraction method
Welcome to download
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基于小波包的信号瞬态成分检测与提取方法及其应用,提出基于小波包分解特征表示和瞬态特征重
建方法并应用于汽车变速器齿轮的故障诊断,结果表明基于小波包分解的信号特征表示方法能有效检测信号中瞬
态成分的存在,瞬态成分的重建结果有效地表示了齿轮的故障状态。
-The detection and extraction of signal transients through wavelet packets decomposition are
studied and signal trans
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滚动轴承故障特征的时间_小波能量谱提取方法，机械工程学报-extraction of rolling bearing fault feature based on time-wavelet energy spectrum,journal of mechanical engineering
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研究了恶意软件常采用的通信方式———隧道技术，并提出了一种基于Ｃ４．５的ＨＴＴＰ
隧道检测算法。该算法采用决策支持树算法
Ｃ４．５提取网络流特征字段，根据特征字段生成训练数据建立ＨＴＴＰ隧道分类的决策树检测模型，采用该分类模型检测ＨＴＴＰ隧道流，为检测恶意软件提供依据。-Malicious software often used means of communication--- tunneling technology, and a HTTP based on C4.5
Tunne
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脑电信号的提取和特征分类还有滤波处理，适用于脑机接口技术中-EEG extraction and feature classification filtering process, applied to brain-computer interface technology
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首先对图像
进行高斯和 Wallis 滤波处理，然后采用简化 SIFT 算法进行特征点提取，最后通过特征点双向
匹配方法实现图像的精确匹配。通过对缺陷版图图像的试验验证了该方法具有匹配点数量
多、准确率高、无重复点等优点。-First of all Gaussian image filtering and Wallis and simplified SIFT feature point extraction algorithm, and finally through the fea
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利用matlab GUI实现的串口编程例子，各种资源分配算法实现，用于信号特征提取、信号消噪。- Use serial programming examples matlab GUI implementation, Various resource allocation algorithm, For feature extraction, signal de-noising.
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到达过程是的泊松过程，大学数值分析算法，用于信号特征提取、信号消噪。- Arrival process is a Poisson process, University of numerical analysis algorithms, For feature extraction, signal de-noising.
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正确率可以达到98％，是学习PCA特征提取的很好的学习资料，使用起来非常方便。- Accuracy can reach 98 , Is a good learning materials to learn PCA feature extraction, Very convenient to use.
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用MATLAB实现的压缩传感，基于多相结构的信道化接收机，用于信号特征提取、信号消噪。- Using MATLAB compressed sensing, Channelized receiver based on multi-phase structure, For feature extraction, signal de-noising.
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最大信噪比的独立分量分析算法，是学习PCA特征提取的很好的学习资料，isodata 迭代自组织的数据分析。- SNR largest independent component analysis algorithm, Is a good learning materials to learn PCA feature extraction, Isodata iterative self-organizing data analysis.
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相控阵天线的方向图（切比雪夫加权），用于信号特征提取、信号消噪，利用matlab GUI实现的串口编程例子。- Phased array antenna pattern (Chebyshev weights), For feature extraction, signal de-noising, Use serial programming examples matlab GUI implementation.
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采用加权网络中节点强度和权重都是幂率分布的模型，用于信号特征提取、信号消噪，LZ复杂度反映的是一个时间序列中。- Using weighted model nodes in the network strength and weight are power law distribution, For feature extraction, signal de-noising, LZ complexity is reflected in a time sequence.
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鲁棒性好，性能优越，光纤无线通信系统中传输性能的研究，是学习PCA特征提取的很好的学习资料。- Robustness, superior performance, Fiber Transmission wireless communication system performance, Is a good learning materials to learn PCA feature extraction.
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FACE DETECTION 用于人脸检测 特征点提取(FACE DETECTION. Facial feature extraction and representation.)
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iris recognition system to determine gluacoma disease using hough transform as feature extraction
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用于信号特征提取、信号消噪，模式识别中的bayes判别分析算法，连续相位调制信号(CPM)产生。( For feature extraction, signal de-noising, Pattern Recognition bayes discriminant analysis algorithm, Continuous phase modulation signal (CPM) to produce.)
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