協變量 的英文怎麼說

中文拼音 [xiébiànliáng]
協變量 英文
concomitant variable
  • 協 : Ⅰ形容詞（共同） joint; common Ⅱ動詞（協助） assist; help; aid
  • 量 : 量動1. （度量） measure 2. （估量） estimate; size up
  1. The quantities baβ are the covariant components of a plane tensor, called the curvature tensor of the surface.

    ba是「平面張量」的協變分量，叫做該曲面的曲率張量。
  2. First, based on the historical data of 20 years of henan province, the cloud seeding operation cases in april and october in the central region of henan province were evaluated by cluster - analysis - based floating control historical regression method with uniform precipitation and atmospheric precipitable water as meteorological covariates, cluster - analysis - based floating control historical regression method with uniform precipitation as meteorological covariate, and floating control historical regression method ( fcm )

    首先，根據河南省近20年的歷史資料，分別用以降水量為協變量的ca - fcm方法、以降水量和整層大氣可降水量為協變量的ca - fcm方法和浮動對比區歷史回歸統計檢驗方法（ fcm ） ，對河南省4月和10月增雨作業進行評估。
  3. Three evaluation methods for the nonrandomized precipitation enhancement operation effects have been developed based on the regional rainfall control and meteorologit cal covariable correlation : dopple ratio analysis evaluation method using regional rainfall ten - dency control for single cloud seeding operation case ; regression analysis evaluation effects on the bases of regional correlation and developing tendency of rainfall ; and multiple regression analysis with meteorological and physical covariables

    本文根據區域趨勢控制和氣象-物理協變量相關設計了三套非隨機化人工增雨作業效果評估方案：個例作業區域趨勢對比雙比分析評估方案、區域趨勢相關回歸分析評估方案和氣象-物理協變量多元回歸分析評估方案。
  4. Then, six evaluation methods ( double ratio analysis evaluation method using regional rainfall tendency control for single cloud seeding operation case, regression analysis evaluation effects on the bases of regional correlation and developing tendency of rainfall, multiple regression analysis evaluation effects on the bases of regional developing tendency of rainfall, cluster - analysis - based floating control historical regression method with uniform precipitation and atmospheric precipitable water as meteorological covariates, cluster - analysis - based floating control historical regression method with uniform precipitation used as meteorological covariate, and float ing control historical regression method ) were compared and analyzed with the case of the cloud seeding operation on 5 april 2002 in henan province

    然後，以河南省2002年4月5日飛機增雨作業為個例，對作業區域趨勢對比雙比分析評估方案、區域趨勢相關回歸分析方案、區域趨勢多元回歸分析方案、以降水量為協變量的ca - fcm方法、以降水量和整層大氣可降水量為協變量的ca - fcm方法和fcm方法6種評價方案進行分析比較。
  5. It was shown from the result of analysis and comparison that the evaluation efficiency for the non - randomized cloud seeding operations could be improved by using appropriate physical covariate as control factor and increasing the correlativity between rainfall distributions in the control area and target area

    比較分析的結果表明，只要不斷提高對比區和影響區的相關性和引入新的更有效的協變量，就可能提高非隨機化作業的效果評估效率，從而更好的檢驗人工增雨作業的效果。
  6. In the end, cluster - analysis - based floating control historical regression method with uniform precipitation and atmospheric precipitable water as metoorological covariates could more validly evaluate efficiency of cloud seeding operations and significant level of ca - fcm method was higher than the other methods, because it adopted cluster analysis which highly improved the correlativity between rainfall distributions in the control area and target area, and used grid interpolation which enhanced exactness of calculating precipitation rainfall, and chose atmospheric precipitable water as the covariant which increased the inferential accuracy of natural rainfall on the cloud seeding operational area

    最後，得到以降水量和整層大氣可降水量為協變量的ca - fcm方法，由於採用聚類分析（ ca ）方法，提高了對比區和影響區相關性；採用網格插值技術提高了雨量的計算準確度；引入了不受催化影響的物理協變量（整層大氣可降水量） ，提高了作業區自然降水量估計值的準確性；所以評估效果最好，顯著水平高於0 . 05 。
  7. The variable selection in covariance adjusted estimates

    協方差改進估計中的變量選擇
  8. Every vector can be resolved into covariant or into contravariant components.

    每個矢量都可以分解成協變分量或逆變分量。
  9. Covariance analysis with forward stepwise variable selection was carried out

    統計方法採用逐步向前變量選擇協方差分析。
  10. The jmm describes the ordering guarantees that are made when a program uses synchronization or volatile variables to coordinate activities in multiple threads

    Jmm描述了程序使用同步或者volatile變量以協調多個線程中的活動時所進行的的順序保證。
  11. Through adjusting coordination variable eta ( estimated team arrival time ), coordination agent selects paths and feasible velocities among each uav initial optimal and suboptimal paths, such that timing constraint is satisfied

    引入團隊預計到達目標時間（ estimatedteamarrivaltime ）作為協同變量，飛行路徑的代價作為協同函數，通過協同函數傳遞各架飛機到達目標的時間范圍。
  12. For the given sample points, and matrix formed by covariance function with sample points as parameters, when the number of sample points approaches infinite, it is proven that this matrix spectrum will approach the spectral approach theorem for positive - definite kernel of integral equation

    對給定的樣本點，由樣本點為變量的協方差函數構成的矩陣，當樣本點個數趨于無窮大時，證明此矩陣譜逼近於積分方程正定核的譜逼近定理。
  13. The equations of the mean value functions and the covariance functions are established for dynamical systems whose inputs are fuzzy stochastic processes. an existence and uniqueness theorem of ito fuzzy stochastic differential equations is proved, some explicit representations of solutions and the equations of statistical characteristics are deduced for linear fuzzy stochastic differential equations, and numerical methods to nonlinear fuzzy stochastic differential equations are proposed, the conditions for stability and observability of fuzzy linear systems are derived. the kalman filter algorithms of linear fuzzy stochastic systems are brought forward

    主要成果包括：提出了模糊隨機變量協方差和反向協方差的概念；研究了二階模糊隨機變量的均方收斂性，並在此基礎上得到了均方模糊隨機分析、平穩模糊隨機過程及其譜分解的若干定理；根據均方模糊隨機分析理論，得到了輸入為模糊隨機過程的線性系統的輸出輸入統計特徵關系方程；證明了ito型模糊隨機微分方程解的存在唯一性，並給出了ito型線性模糊隨機微分方程解的表達式，統計特徵方程以及非線性模糊隨機微分方程的數值解法；得到了模糊線性系統的穩定性和可觀性條件、線性模糊隨機系統統計特徵方程和線性模糊隨機系統的kalman濾波演算法；研究了當觀測值是模糊數據時，線性回歸模型的建立。
  14. ? there were extremely significant difference on average home range of male and female voles in different treatment populations ( t = 6. 251, p o. 001 ), and the population mnka were extremely significant correlation with the home range of male voles ( r = - 0. 724, p = 0. 000 ) and female voles ( r = - 0. 814, p = 0. 000 )

    Si4 ， p 0刀00人以體重及種群最小存活數為協變量的ancova表明，種群最小存活數對巢區具有極顯著的獨立作用（ f二18 331 ， p一0刀00人而體重的作用則不顯著（ f 1 876 。
  15. With regard to the relationship between physique and urban - rural factors, the f value decreased significantly when family income per capita was taken as a covariate, while the f values slightly decreased also when factors of latitude etc. were taken as covariates

    多因素分析討論時，當協變量家庭人均收入投入后，體格的城鄉因素的f值明顯變小，而協變量自然環境因素投入后變化卻不十分明顯。
  16. Assessment of receiver operator character curve on the diagnostic value of cardiac troponin t in acute myocardial infarction

    臨床試驗中評價處理效應的協變量調整問題
  17. Estimation of unknown regression coefficient matrices in the extension of the growth curve model with covariate variables

    有協變量的推廣增長曲線模型回歸參數的估計
  18. The estimation of covariance matrix on the extensive growth curve model with covariate variables

    有協變量的推廣增長曲線模型中協差陣的估計
  19. The minimum norm estimation of covariance matrix in the extended growth curve model with covariant variables

    有協變量的推廣增長曲線模型中協差陣的最小模估計
  20. When the dimension number of covariates increases with the sample size, conventional empirical likelihood inference becomes invalid

    當協變量的維數隨樣本量增加時，常規的經驗似然推斷失效。
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