principal component
美 
英
- un.主要成分；主要成份；主分量
- 網(wǎng)絡(luò)主成分；主成份；知成分
英漢解釋
例句
It utilizes principal component analysis method to determine index weight and chooses Yellow River Delta as a case of demonstration.
運(yùn)用主成分分析法客觀(guān)確定指標(biāo)權(quán)重，對(duì)黃河三角洲區(qū)域的生態(tài)可持續(xù)進(jìn)行了實(shí)證研究。
The second principal component's characters were all correlated with commodity characters, so was called commodity character factors.
主成分2的性狀均與食葵的商品性狀有關(guān)，可稱(chēng)為食葵商品質(zhì)量構(gòu)成因子；
The principal component model and the regression model between the total dissolved solids and ions content were established in this paper.
建立了主成分分析模型和總溶解固體與離子含量間的回歸模型。
A popular decomposition called principal component analysis (PCA) is widely used for feature extraction.
主成分分析（PCA）分解法被廣泛地應(yīng)用于特征抽取的過(guò)程。
It showed that the main driving factor was the increase of population growth and urbanization by Principal component analysis.
主成分分析結(jié)果表明，湖北省耕地資源變化主要驅(qū)動(dòng)因子是人口增加與城市化率的上升。
Furthermore, the principal component scores can and should always be used to help validate the results of clustering programs.
此外，通過(guò)主成分得分可以而且應(yīng)該總是被用來(lái)幫助驗(yàn)證了結(jié)果的聚類(lèi)的節(jié)目。
Principal component analysis (PCA) and successive projections algorithm (SPA) were separately used to reduce variables of spectral model.
分別采用主成分分析（PCA）和連續(xù)投影算法（SPA）方法進(jìn)行模型輸入變量的提取。
As a multivariate statistical analysis method, principal component analysis is widely used in data process and reduction.
主元分析作為一種多元統(tǒng)計(jì)分析方法，廣泛應(yīng)用于數(shù)據(jù)處理和簡(jiǎn)化中。
The high frequency noise of the system can be checked out by principal component combined with the correlation coefficie. . .
主成分結(jié)合相關(guān)系數(shù)法可以鑒別出系統(tǒng)高頻噪聲，扣除這部分噪音可有效地提高預(yù)測(cè)模型的預(yù)測(cè)準(zhǔn)確度。
Then we conduct clustered principal component analysis to compress and simplify the displacement data of the skeleton segments of each tree.
然后采用分簇主元分析方法對(duì)形變序列數(shù)據(jù)進(jìn)行壓縮與簡(jiǎn)化，構(gòu)建單株樹(shù)各枝干運(yùn)動(dòng)的細(xì)節(jié)層次；
Generalization can be defined quantitatively and can be used to assess the performance of principal component analysis (PCA).
推廣可界定數(shù)量和可用來(lái)評(píng)估業(yè)績(jī)的主成分分析（PCA）。
In the support of these data, we have adopted the principal component analysis method analyzing the driving forces of land use change.
在以上數(shù)據(jù)的支持下，運(yùn)用了主成分分析法對(duì)平谷區(qū)土地利用變化驅(qū)動(dòng)力進(jìn)行了分析。
Principal component score method was used to grade rural drinking water and sanitation.
利用主成分評(píng)分法對(duì)我國(guó)農(nóng)村飲用水和環(huán)境衛(wèi)生現(xiàn)狀進(jìn)行分類(lèi)。
The determination of weights has taken the average of the values of principal component analysis and Delphi method as the ultimate weight.
權(quán)重的確定采取主成分淺析淺析法和特爾菲法的均值來(lái)作為本次定級(jí)因素因子的最終權(quán)重值。
KPCA extracted principal component with nonlinear method and described the relationship among three or more pixels of the identified images.
KPCA采用非線(xiàn)性方法提取主成分，描述待識(shí)別圖像中多個(gè)像素之間的相關(guān)性。
Subsequently, principal component analysis (PCA) is used for dimensionality reduction.
然后，采用主成分分析法進(jìn)行特征降維；
This article tries to introduce principal component analysis and principal component classification into automatic incident detection area.
本文嘗試將主成分分析技術(shù)和主分量分類(lèi)法引入交通事件自動(dòng)檢測(cè)領(lǐng)域。
In the end of the paper, Principal Component Analysis (PCA) is used to search the Listed Automobile Company performance by the model.
文章在最后重點(diǎn)通過(guò)建立模型，運(yùn)用主成份分析法來(lái)計(jì)算上市汽車(chē)公司的綜合得分。
Obtained: Partial Least Squares iterative algorithm to handle data sheet leaflet extraction equivalence with Principal Component Analysis.
證明出，偏最小二乘迭代算法在處理單張數(shù)據(jù)表成分提取時(shí)與主成分分析相同。
Principal Component Analysis (PCA) is a main multivariate statistical method for getting principal information from observational data.
主成分分析法是從觀(guān)測(cè)數(shù)據(jù)中獲取主要信息的一種多變量統(tǒng)計(jì)方法。
We use principal component analysis on term structure we got. Base on this result, we build three factors: level, slope and curvature.
本文對(duì)利率期限結(jié)構(gòu)做了主成分分析，并根據(jù)結(jié)果構(gòu)建了利率的水平、斜率和曲度三個(gè)因子。
The spectral characteristics of pure reagent are displayed by the plot of weight of the principal component vs wave-length.
在主成分權(quán)重圖上體現(xiàn)了純試劑的光譜特征。
The principal component analysis and cluster analysis could be perfectly applied in data processing in inorganic elements.
主成分分析法和聚類(lèi)分析法是藠頭無(wú)機(jī)元素含量分析的有效方法。
Data mining techniques of cluster analysis and principal component analysis to explore the massive monitoring data processing technology.
應(yīng)用數(shù)據(jù)挖掘技術(shù)中的聚類(lèi)分析和主成分分析方法，探討海量監(jiān)測(cè)數(shù)據(jù)的處理技術(shù)，從而達(dá)簡(jiǎn)化監(jiān)測(cè)數(shù)據(jù)規(guī)模的目的；
The dissertation mainly aims at applying support vector machine (SVM) and kernel principal component analysis (KPCA) to intrusion detection.
本文的主要工作是將支持向量機(jī)（SVM）及核主成分分析（KPCA）應(yīng)用到入侵檢測(cè)技術(shù)中。
The Fuzzy Cluster and principal Component Analysis (PCA) fot classifying the brush--wood of the Shanhaiguan Forestry Farm in this paper.
本文應(yīng)用模糊聚類(lèi)分析和主成分分析的方法對(duì)山海關(guān)林場(chǎng)的灌叢進(jìn)行分類(lèi)。
Finally Shanghai being taken as an example, with the principal component analysis the simplified model coefficients was produced.
最后以上海為例，用主成分分析法給出了簡(jiǎn)化模型的系數(shù)。
After that, principal component analysis and the knowledge of linear algebra were used to endow different weight for every concrete index.
之后利用主層次分析法以及線(xiàn)性代數(shù)的有關(guān)知識(shí)為每一個(gè)具體指標(biāo)賦予權(quán)重。
Application of principal component analysis and discriminant dassification techniques were studied hydrochemical types of Qinghai salt lake.
應(yīng)用主成分分析和判別分析分類(lèi)技術(shù)研究了青海鹽湖水化學(xué)類(lèi)型。
To improve the efficiency of color image segmentation algorithm, we use quaternion principal component analysis to process color images.
為提高分割算法的處理效率，本文采用了四元數(shù)主成分淺析淺析對(duì)彩色圖像進(jìn)行主成分提取。
Methods of system analysis, principal component analysis and graphical representation were employed.
研究方法：系統(tǒng)分析法、主成分綜合評(píng)價(jià)法和圖示法。
Entropy method in the principal component analysis is based on weight, then, ask out of competitive power evaluation of listed companies.
熵值法是在主成分分析的基礎(chǔ)上，求出權(quán)重，進(jìn)而對(duì)上市公司競(jìng)爭(zhēng)力評(píng)價(jià)。
On this basis, this paper introduce an analysis of ordinal data on nonlinear principal component method.
在此基礎(chǔ)上，本文引入了分析有序數(shù)據(jù)的非線(xiàn)性主成分方法。
The index system was established and the principal component of the driving factor of dynamic changes mechanism was analyzed with SPSS.
同時(shí)建立指標(biāo)體系，利用SPSS對(duì)耕地面積動(dòng)態(tài)變化的驅(qū)動(dòng)因子進(jìn)行主成分分析，揭示耕地變化的驅(qū)動(dòng)機(jī)制。
Result indicates that Fuzzy Principal Component Method can improve multicollinearity of Least Squares Estimate.
結(jié)果表明，這種方法改善了最小二乘回歸中的多重共線(xiàn)性問(wèn)題，具有實(shí)用價(jià)值。
Statistical methods include principal component analysis, clustering analysis and radar map method.
統(tǒng)計(jì)分析方法主要有主成分分析法、聚類(lèi)分析法、雷達(dá)圖法等。
In this study, principal component analysis and correlation analysis of land use change on the socioeconomic driving factors are analyzed.
本研究采用主成分分析和相關(guān)分析對(duì)土地利用變化的社會(huì)經(jīng)濟(jì)驅(qū)動(dòng)因素進(jìn)行了分析。
In fact, it is considered to be a bonus when the principal component variables can actually be interpreted.
事實(shí)上，它被認(rèn)為是一種獎(jiǎng)勵(lì)當(dāng)主成分變量實(shí)際上可以被破譯。
Incipient fault detection and isolation of field devices in nuclear power systems using principal component analysis.
用主部件分析進(jìn)行核動(dòng)力系統(tǒng)現(xiàn)場(chǎng)裝置的早期故障探測(cè)和隔離…[中國(guó)核科技信息與經(jīng)濟(jì)研究院]。
Principal Component Analysis(PCA) method and nucleation theory are applied in configuration analysis produced by MD runs.
利用主成分分析（PrincipalComponentAnalysis）方法及與成核相關(guān)的理論對(duì)模擬中出現(xiàn)的構(gòu)型進(jìn)行了分析。
