variance component 中文意思是什麼

variance component 解釋
方差成分
  • variance : n. 1. 變化，變動，變更；變度，變量；【統計】（平）方（偏）差。2. （意見等的）相異；不和，沖突，爭論。3. 【法律】訴狀和供詞的不符。
  • component : adj 構成的，組成的，合成的，成分的。 component motion 【物理學】分運動。 component part 組成部分...
  1. Systolic and diastolic blood pressures clustered together with leptin in the factor analysis and this blood pressure - adiposity component correlated with estimated creatinine clearance ( r = 0. 329, p < 0. 0001 ) and explained on its own 10. 2 % of the variance in the estimated renal function

    在析因分析中發現收縮壓和舒張壓與瘦素相關聯，這種血壓?肥胖組合與估算的肌酐清除率具有相關性（相關系數0 . 329 ， p < 0 . 0001 ） ，其本身可以造成10 . 2 %的腎功能變化。
  2. The results show that : l ) there are three anomalous high temperature areas and three anomalous low temperature areas, and the whole area high temperature anomaly took place in the late 1980s, whereas the low temperature anomaly in the 1970 ; 2 ) the spatial mode manifests identical variations in the whole area, and the temporal coefficient curve is of 2 - 3 year period oscillation and an interdecadal abrupt in the late 1970s ; 3 ) the variance of interdecadal component is obviously larger than that of interannual in the most part of nespa ; 4 ) the interdecadal variation of the temperature is mainly linear ascendance in the late 1970s, the large range anomalous high ( low ) temperature occurs when the interdecadal and interannual anomaly are both positive ( negative ) in the year ; 5 ) the temperature anomaly is divided into four patterns : southern, northern, eastern and western patterns, in which the interdecadal variation of the southern and western patterns is relatively importance and the interannual variation of eastern and northern pattern is relatively importance

    本文用夏季（ 6 - 8月）中國東北地區91個測站44年氣溫資料，對該區夏季氣溫的氣候平均和異常場進行分析，採用諧波分析將異常變化的年代際、年際尺度分量分離，分別分析兩種尺度上氣溫異常的時空特徵，最後應用reof進行了氣溫異常的區劃，研究局域異常變化的年代際、年際分量的變化特徵。結果發現： 1 ）東北夏季有三個異常高溫高發區和三個異常低溫高發區。全區性異常高溫（低溫）階段出現在上世紀80年代后（ 70年代） 。
  3. According to the comparison result, the variance analysis will not be applicable when the allowance range has to be set flexibly according to specific operation requirements although it can achieve a high rate of fault detection. for example, when the allowance range of some particular component gets bigger, the variance analysis could not precisely define the new judgment boundary

    比較后發現，方差特徵分析法雖然可以達到很高的故障檢測率，但不適用於元件容差需根據具體要求靈活設定的情況，例如當具體情況中某個元件的容差范圍變大時，用方差分析法卻不能準確地定出新的判斷界限。
  4. Study of helmert variance component estimation in tunnel run - through control traverse difference

    方差分量估計在隧道貫通中控制導線平差的研究
  5. According to the fluctuating property of wind, on the stochastic vibration finite element theory, some calculation formulas of the response, including the along - wind response and the across - wind response, are obtained, the ideology of the torsion vibration in the double - tower structure and the ideology of the double - tower structure ' s dynamical wind load are also put forward at the same time. by using the stochastic vibration module of the general finite element program, the paper analyses the performance of the wind resistance more deeply and fully, discussing the influence on the double - tower structure from the diversification of the different component. the variance law of dynamic displacement and wind - induced vibration coefficient is derived through analyzing structure stochastic vibration, so is the effect of several parameters on dynamic displacement, acceleration and wind - induced vibration coefficient

    從結構風振的基本理論出發，通過對脈動風功率譜的分析，推導了結構風振響應（順、橫風向）的計算公式，同時提出了雙塔結構的扭轉振動和動力風荷載計算的思想，在結合通用有限元程序的隨機振動模塊的情況下，對雙塔結構的抗風性能作了深入、全面研究，探討了雙塔結構構件截面的變化對其抗風性能的影響，同時探討了順風向風速譜的選取、風速、參與計算的振型數、風與結構耦合作用是否考慮等因素對分析結果的影響，比較了規范風振系數的計算與隨機演算法結構的異同，並討論了原因，得出一些有意義的結論。
  6. The system of product structure and configuration management based on software component was developed and used in cscd, which solved the problem of product data management and design variance in large - scale complicated product design, enhanced the efficiency of product development and promoted product innovation

    建立基於構件的產品結構和配置管理系統，並應用於協同設計中，解決了復雜裝配產品的產品數據和設計變遷問題，增強了設計人員的團隊協作能力，對提高產品開發效率和促進產品創新具有重要的意義。
  7. The essential idea was that an incomplete data set including missing values was partitioned into several fuzzy clusters by using local principle component with least variance, and through solving the general inverse matrix of the data to obtain the principle components of each sub - clusters, the missing values in clusters could be estimated based on local principal components utilizing a simple linear model

    其基本思想是，先利用具有最小方差的局部主成分，把包含有遺漏值的不完備數據集劃分成多個模糊聚類，然後通過求解廣義逆矩陣來獲得各個子聚類的主成分，最終在局部主成分的基礎上通過簡單的線性方程模型去佑計聚類中的遺漏值。
  8. Varcomp variance component estimation

    方差元素估計
  9. Microstructure of in - situ toughened si3n4 ^ can be characterized with the first principle component of the original eight characterization variables, namely, a complex microstructure index. this index reflects the comprehensive microstructure characteristics and the contrasts between the micro structure ' s comprehensive status and its variance

    自增韌si _ 3n _ 4陶瓷的顯微結構可以用第一個主成分? ?綜合結構指標來表徵，它反映了顯微結構的綜合特徵，並反映了顯微結構綜合表徵值與顯微結構偏差之間的對比。
  10. Conclusion variance component model can appraise the situation that the individual fill in the questionnaire effectively and rationally remove those low - validity cases from data set

    結論方差成分模型可用於評價個體完成問卷的情況，對個體效度偏低的數據可以合理地剔除。
  11. An adaptive kalman filter combining variance component estimation with covariance matrix estimation based on moving window

    基於移動開窗法協方差估計和方差分量估計的自適應濾波
  12. Application of the improved helmert method for variance component estimation in precise orbit determination

    方差分量估計方法在精密定軌中的應用
  13. Variance component ' s estimation in the combined adjustment

    聯合平差中的方差分量估計問題的探討
  14. Champ gravity field recovery based on variance component estimation

    建築物振動變形監測中的單歷元演算法研究
  15. Variance component model

    方差分子模式
  16. The results of numerical calculations show that : the number of spectral principal component and cumulate variance contribution are different its depending on kernel functions

    通過數值例子計算表明：取不同核函數而得到的譜主成分分析，其譜主成分的個數及累積方差貢獻率是有差別的。
  17. Via numeric sample analysis, it is found that evaluation functions are constructed by weighing principal components for pca. however, evaluation functions can be quite different when there are more than three principal components and characteristic vectors other than first one are chosen in different directions. for spca, variance contribution can be greater than 90 % by selecting just one principle component

    將譜主成分分析應用於多指標評價系統中，通過數值例子分析：主成分分析是通過對各個主成分加權構造評價函數，當主成分個數不小三個時，從第二個特徵向量開始，對方向的不同選取，可導致評價函數的極大差異：而用譜主成分分析，能做到只取一個譜主成分就可使方差貢獻率大於90 。
  18. Therefore, spca gotten via selecting polynomial kernel functions is more accurate than pca in multi - index evaluation system, and has fewer dimensions. comparatively, for spca using gauss kernel function and laplace kernel function, it is required to normalize original data according to the category, and the constructed evaluation functions are better than the ones constructed via using pca. however, if variance contribution of first principal component of pca is more than 85 %, evaluation function curves of spca and pca are similar

    在作多指標評價中，選用多項式核函數而得到的譜主成分分析，比主成分分析得到的主成分具有維數低且精度高的優點；而用gauss核函數和laplace核函數的譜主成分分析，需對原數據作同類別數據間的規范化，其構造的評價函數也優于用主成分方法構造的評價函數。
  19. Linear models are especially important statistical models, including linear regression model, variance and analysis, covariance and analysis, and variance and component one etc.

    線性模型是很重要的一類統計模型，它包括線性回歸模型、方差分析模型、協方差分析模型和方差分量模型等等。
  20. Pca of x1, x2and x3 successions was done, and from these three eigenvector fields, a principal component that its physical meaning is clear and its variance deficiency contribution rate is large ( over 75 % ) is found. and that principal component was defined as an integrative chilling damage index

    將寒害指標x _ 1 、 x _ 2 、 x _ 3序列作主要分量分析，從3個特徵向量場中找出了一個物理意義清晰、方差貢獻率大（大於75 ）的主要分量，將其定義為綜合寒害指數。
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