隨機性偏差 的英文怎麼說

中文拼音 [suíjīxìngpiānchā]
隨機性偏差 英文
deviation from randomness
  • 隨 : Ⅰ動詞1 （跟; 跟隨） follow 2 （順從） comply with; adapt to 3 （任憑; 由著） let （sb do as he li...
  • 機 : machineengine
  • 性 : Ⅰ名詞1 （性格） nature; character; disposition 2 （性能; 性質） property; quality 3 （性別） sex ...
  • 偏 : Ⅰ形容詞1 （不正; 歪斜） inclined to one side; slanting; leaning 2 （只側重一面） partial; prejudi...
  • 差 : 差Ⅰ名詞1 （不相同; 不相合） difference; dissimilarity 2 （差錯） mistake 3 [數學] （差數） differ...
  • 隨機 : random stochasticrandom
  1. Especially for ship and ocean - platform structure, there are a lot of stochastic factors affecting their design, for example, wave, tidewater and wind which act on the ship surface are indeterminate ; material data and dimension data provided may be not completely consistent with that of real structure ; some hypothesis, for convenience and simplification, make the calculation model is not the same as the real structure

    特別對船舶與海洋平臺等結構，影響結構設計的隨機因素很多，例如作用在船舶上的波浪、潮水和風荷載都是不確定的；結構中用的材料物理性能數據可能與提供的有所差異；名義尺寸也可能與實際結構不完全一致；計算中引進的一些假設，也會使計算模式與實際情況有所偏離等等。
  2. According to these accomplishments, several techniques are expounded emphatically in this paper, including 3d refraction statics, coherent noise suppression by prestack wave field separating ( prestack fx noise attenuation ), 3d prestack multiple domain random noise attenuation, multiples attenuation, nmo of unsymmetrical hyperbola, dynamic replacement of wave equation, surface - inconsistent residual static, super bin stacking, poststack depth migration and prestack depth migration. all the techniques have been applied in seismic processing of 2d, 3d and wide - line profiling and obtained good results

    本文根據項目組研究成果，重點閘述了三維折射波靜校正技術，疊前波場分離相干噪音壓制方法（疊前fx去噪） ，疊前三維多域隨機噪音衰減技術，多次波衰減技術，非對稱雙曲線動校正技術，波動方程動態替換技術，非地表一致性的剩餘時差靜校正技術，超面元迭加處理技術，疊后深度偏移處理，疊前深度偏移處理等。
  3. Robust optimization is a kind of valid design method that improves the product performance, combining robust and optimization, it adjusts name values of design variables and controls its deviation to promise robustness of the optimization solution. robust optimization includes : ( 1 ) selecting the random factor and turning with quantity ; ( 2 ) uncertainty analysis ; ( 3 ) applying results of uncertainty analysis in robust optimization models

    穩健優化設計方法是提高產品性能的一種有效的設計方法，是穩健設計和優化設計兩種方法的結合，它是通過調整設計變量的名義值和控制其偏差來保證設計最優解的穩健性，包括三個步驟: （ 1 ）隨機因素的確定與量化; （ 2 ）不確定分析; （ 3 ）在穩健優化模型中合理地應用不確定分析的結果。
  4. The main procedure and steps are following as : according the random characteristic of the time spent by each work procedure, computer simulation is applied to produce the most possible scheduling network. and by corresponding optimization and adjustment on the network, the cost and scheduling construction network can be obtained ; during the practical construction according to the network, the warp between the actual cost and expected scheduling is tracked dynamically. then the computer simulation system is used to predict the future cost and progress operation, and take corresponding precautionary measures to control beforehand

    其主要思想與步驟為：首先運用計算機模擬技術來模擬工序作業時間的隨機特性，產生概率最大的施工網路計劃，並對其進行優化和調整，以獲得滿足工期、質量要求的成本及網路計劃；在施工過程中動態跟蹤施工實際成本與進度與目標計劃所發生的偏差以及質量問題，然後根據已出現的偏差，利用計算機模擬技術對項目未實施部分進行進度、成本的預測和分析，根據現有信息對網路計劃未完成部分進行調整和優化，以盡可能把各項費用控制在預定計劃成本之內或使工程的綜合指標最優。
  5. 2. the random nature of load construction is analyzed. according to analyze various factors on change of reliability index, casting girder 、 construction live load 、 concrete intensity 、 wind load 、 construction distribution load deviation and basket falling, which influence on construction reliability of rigid frame bridge with high - pier and large - span, are obtained

    2 .研究了各施工荷載的隨機性，通過分析各種影響因素對可靠指標的變化程度，得到已澆梁段、施工分佈活載、混凝土強度、風載和施工荷載偏差以及掛籃跌落等對高墩大跨剛構橋施工期可靠度的影響。
  6. But the most common noise is angle random walk, bias instability, rate random walk, rate ramp and quantization noise. in this paper, the random error model including the most common five noise as above

    對常見的五種噪聲因素包括角度隨機遊走、零偏穩定性、速率隨機遊走、速率斜坡和量化噪聲建立了陀螺隨機誤差模型。
  7. In the 3rd section we introduce how to use mathematical model to study financial problems, whose assets running on mixed jump - diffusion process, first we get the famous non - linear feynman - kac formula by fbsde, then let the solution of the bsde be a investor ' s utility function, and it ' s the so - called recurse utility function. second, we can prove that this utility function is a continue viscosity solution of the variation inequality which we get above, and we get the comparison theory. third we can use the result to financial market to study the optimal consumption and portfolio problem or evaluate the american option

    第三章介紹了利用金融資產價格運行基於復合跳躍? ?擴散過程的數理模型來研究金融經濟問題，通過結合運用正倒向隨機微分方程，推導得到著名的非線性feynman - - kac公式，並且將相應的倒向隨機微分方程的解記為投資者的值函數，這也就是通常所說的效用值函數；接著我們可以證明此效用值函數為某一偏微積分變差不等式的連續粘性解，並且得到了比較原則；這些結果可以應用到金融領域用於消費投資組合的選擇或是美式期權的估值。
  8. The conclusion is that the back analysis results have the character of unbiasedness, efficiency and consistency. bayes random method which considers the prior errors is better in the back analysis of embankment dam ' s nonlinear materials

    結論認為bayes隨機反演結果具有無偏性、有效性和一致性的特點；在土石壩等非線性材料反演分析中，考慮先驗信息誤差的bayes隨機反分析方法具有較好的適用性。
  9. This paper studies mainly the theories of the semi - parametric regression model : ( 1 ) under proper conditions, using random weighted way to the estimator of the error density f ( x ) of the semi - parametric regression model, this paper proved the strong and weak consistent and the asymptotic unbiased property of the weighted kernel estimation fn1 ( x ) of the f ( x )

    本文對半參數回歸模型：主要做了以下三個方面的理論研究： （ 1 ）將隨機加權法應用到半參數回歸模型的誤差密度f （ x ）的估計當中去，在適當的條件下，證明了誤差密度的加權核估計（ ? ） _ （ n1 ） （ x ）的強相合性、弱相合性及漸近無偏性。
  10. It has shown by the uncertainty of the data of fatigue experimentation and the size deviation of machine accessory and structure component and the original defect of materials that all of the stress and intensity and the factors that affect them are stochastic variables, so we should deal with the problem of fatigue by the method of probability and statistics to making the engineering life deduced by fatigue intensity to be the reliable life under a certain probability

    疲勞試驗數據的離散性，零件和構件加工允許的尺寸偏差，材料中分佈的原始缺陷，以及受載零件危險部位應力響應的分佈特性等，都說明應力和強度以及影響它們的因素都是隨機變量，它們有各自的分佈形式，應該用概率統計理論和方法來處理，才能使疲勞強度在工程中所確定的壽命，成為保證某一概率下的可靠壽命。
  11. In chapter l, we introduce the relative background on this paper and give some simple expressions of the work which have been studied. in chapter 2, in virtue of the notion of likelihood ratio the limit properties of the sequences of dependent nonnegative continuous random variables are studied, and a class of strong limit theorems represented by inequalities are obtained. the bounds given by these theorems depend on positive constant c. in chapter 3, by means of the notion of log likelihood ratio, a kind random strong deviation theorem are obtained, and the bounds given by these theorems depend on r ( )

    第一章，介紹本論文的選題背景，對已有的工作進行扼要的介紹；第二章，利用似然比的概念研究相依連續型非負隨機變量序列的極限性質，得到一類強偏差定理，其偏差界依賴于正常數c ；第三章，利用對數似然比的概念得到一類隨機偏差定理，其偏差界依賴于r （ ） ，證明中引進了尾概率和尾概率的laplace變換的概念；第四章，利用對數似然比的概念，得到了一類關于任意連續型隨機變量序列的泛函的強偏差定理。
  12. In this paper, by means of the notion of likelihood ratio and log likelihood ratio the limit properties of the sequences of dependent continuous random variables are studied, and a class of strong limit theorems represented by inequalities are obtained. in the proof an approach of applying the tool of laplace transform to the study of strong limit theorem is proposed

    本論文繼續這方面的工作，利用似然比、對數似然比的概念研究相依連續型隨機變量序列的極限性質，得到相應的用不等式表示的強偏差定理。證明中提出了將laplace變換的工具應用於強極限定理研究的一種方法。
  13. By considering the random of the local unitary transformation and the character of the machine, the probability of the transformation will not be 1 / 2. we generalize the random local unitary transformation, and obtain a more common form

    考慮到局域變換的隨機性以及實驗儀器的性能，變換的幾率可能會出現一些偏差，不再是1 2 ，本文在第四章對變換的隨機性進行了一般化，得出變換后更一般的矩陣形式。
  14. This method first builds up an optimal model which have a good performance, then according to the error and the derivation of the error between the output of the optimal model and the output of ac motor drive, design model controller by lyapunov theory

    該方法首先建立性能指標最優化模型，然後利用李雅普諾夫穩定性理論設計出模式控制器。根據最優模型輸出與實際電動機輸出的偏差及偏差導數，在模式控制器的作用下，使實際電動機的輸出跟隨最優模型的輸出，直至偏差為零。
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