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- 3 types of rodent communities were classified in forest lands of North Shaanxi by clustering and principal components analyzing. 摘要通过聚类分析和主成分排序,陕北林地啮齿动物群落被划分为3个类型。
- principal components analyzing 主因素分析
- Application of principal component analyzing method in prediction of water consumption for roof greenings 主成分分析法在屋顶绿化耗水量分析及预测中的应用
- Subject the matrix to principal components analysis. 主成分分析法。
- Principal Components: Aluminum Tripolyphosphate and modifiers. 主要成分:三聚磷酸铝及其改性物质。
- Keywords: design hyetograph, principal components analysis, cluster analysis. 关键词:设计雨型、主成分分析、群集分析。
- All three principal components of this definition are of great importance. 这一定义的三个主要构成部分,都极为重要。
- Any alloy whose principal component is copper. 主要成分是铜的合金。
- The results of PCA analyzing the vegetation factors and orthopteran communities are ideal, the cumulative percent of two principal components reach respectively 95.299% and86.304%. 对各生境植被因素和直翅目昆虫群落所进行的主成分分析;结果理想;两维主成分的累计方差贡献率分别达到了95.;299 %25和86
- Slang had been a principal component of his rattling. 他唠叨的主要是一些假语村言。
- The method involves principal components analysis, phase space reconstruction and least squares estimate. 方法包括3部分:主分量分析,相空间重构,最小二乘拟合。
- RPS is the principal component of rchmannia glutnosa. 地黄多糖是地黄的主要组分。
- Are the total hydrocarbon and its components analyzed by chromatograph? 全烃和组分是由色谱仪分析的吗?
- Statistical Process Control (SPC),Principal Compon ent Analysis (PCA) and Singular Value Decomposition (SVD) are introduced to det ermine APC opportunity and then APC structure. 这一研究对于开发和应用好先进控制技术具有重要的意义。
- Results:When there are less principal components,CPCR is better than top-down PCR. 结果:当所含主成分数较小时,CPCR法优于传统的主成分回归。
- S: 1 MEG demonstrated high redundancy in the original signal set. Most of the signal energy could be compressed in the first 30 principal components. 脑磁图信号有较高的冗余度,信号能量的绝大部分集中在前30个主成分中,从前30个主成分中抽取干扰源和诱发响应活动源。
- Source rock, migration chanel and capping layer are three principal components controlling deep gas reservoirs in the subject area. 该区深层天然气藏主要受气源岩、运移通道和盖层三个基本条件控制 ;
- Methods:To introduce the correlation principal components regression(CPCR) and compare the difference between the CPCR and top-down PCR. 方法:介绍相关主成分回归CPCR法并将该法与传统的主成分回归进行比较。
- The data among the orthonormal matrix denote the proportion of every original characteristic in the principal components. 通过正交变换阵中各系数的大小,研究了各原始特征分量在各主分量特征中所占的比例。
- The GGE data is then subjected to singular value decomposition and is approximated by the first two principal components. 对GGE作单值分解,并以第一和第二主成分近似之。