隨機假定 的英文怎麼說

中文拼音 [suíjījiǎdìng]
隨機假定 英文
stochastic assumption
  • 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
  • 假 : 假名詞1. （按照規定不工作或不學習的時間; 假期） holiday; vacation 2. （經過批準暫時不工作或不學習的時間; 休假） leave of absence; furlough
  • 定 : Ⅰ形容詞1 （平靜; 穩定） calm; stable 2 （已經確定的; 不改變的） fixed; settled; established Ⅱ動詞...
  • 隨機 : random stochasticrandom
  1. The main innovations in this dissertation are as follows : when hesperian consumption function theory, deeply rooted in the culture of occidental social system and economic institution, is used to study chinese rural households " consumption behavior and construct the consumption model, we must premise it with our native rural households " consumption behavior analysis

    正如凱恩斯所指出的:消費或儲蓄動機，是隨假定的經濟制度與經濟組織，隨種族、教育、宗教及流行道德觀念等因素所形成的習慣，隨現在的希望與過去的經驗，隨目前財富分配的辦法等大有不同。
  2. 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。
  3. Specially, based on risk - metric and factor variables, the author discusses multi - factor asset pricing model. in theoretical analysis, the author attempts to release the assumption of index ' s random walk, proves a portfolio selection model suitable for the linear index level moreover, based on assets un - exchangeable, the author brings forward asset pricing models for b - shares, h - shares and non - circulated - shares. the author also brings forward multi - factor asset pricing model based on risk - metric indices, such as coefficient of beta, standard variance, standard semi - variance, average absolute deviation, value at risk, and factor variables, such as circulated market equity, exchange ratio, short - term historical return

    在理論分析時，作者嘗試放鬆指數水平滿足隨機遊走過程的假設，推導出指數水平呈線性趨勢的資產組合選擇模型；此外，作者基於資產不可交易這一假設，提出了b股、 h股和非流通股等情形的資產定價模型，並基於系數、標準差、標準半方差、平均絕對離差和風險價值等風險度量指標以及流通市值、換手率、短期歷史收益率等因素變量提出了四因素資產定價模型。
  4. 3 gray factor analysis ? common factor model let random vector be written as common factors, they are unobservable random variables. s1, s2, . . sp are said to be specific factors. from ( i x ( ii ), the common factors are independent with each other, st only act on yi, the aij of matrix is called loading of factor, a = ( aij ) is called the loading matrix of factors ; because cov

    二l一一一一一一一一一一一一一一一一一一一一一一一一一一一一一卜一一一一一一一一一一一一一一卜一一一一一一一一一一一一一一一一一一一一一一一一一一j刁日d乞口6刁a司701刁刁70刁19 o0 1 8031 01刁90320000刊20000z20m01圖123灰色因子分析今公因子模型假定隨機變量p二（ ，鄉… ， p倆足ypxl a l屍」 qq 。
  5. The diffusion model and numerical simulation model for chaff clouds are modeled on the assumption that the speed of air where chaff locates is a winner random process and the mass of chaff is zero so it can trace the atmosphere speed very well

    摘要假定箔條所在位置處大氣運動速度是一個維納隨機過程，同時在忽略箔條的質量時箔條的運動完全反應當地大氣的運動，在此基礎上建立箔條雲團的擴散模型及數值模擬模型。
  6. This paper also points out the consistency that can be generalized more than one dimension. so, we achieve the large sample property - consistency of this class of model on the fixed design. in this paper, for fixed design points xi ; under the assumption that the unknown function g is continuous function and the moment of random error exists and is finity, we discuss and show that the estimators n, gn and n2 for, g and 2 have strong consistency, p th - mean consistency for more general nonparametric weighted fuction

    本論文在x ；是固定設計的情況下，假定未知函數9 （ ? ）連續，對非參數權函數的條件更為一般和基本，並對隨機誤差e ；的矩的要求有限，討論並證明了在這些條件下， p ； g （ ? ）的估計量札lin （ ? ）及誤差方差a 』的估計量枯相合性和叭三2 ）階平均相合性
  7. 15 naor m, reingold o. on the construction of pseudorandom permutations luby - rackoff revisited. journal of cryptology, 1999, 12 : 29 - 66. 16 naor m, reingold o. from unpredictability to indistinguishability : a simple construction of pseudo - random functions from macs

    Luby和rackoff是假定每個輪函數是隨機的，不考慮輪函數的設計而本文僅假定camellia演算法的非線性模塊是隨機的，降低假設條件，這樣假定更接近演算法本身的特性。
  8. In the traditional actuarial theory, only the mortality is ran - dom and the interest rate is certain

    傳統的精算理論假定利率為確定而僅討論死亡率為隨機的情形。
  9. Based on the study of strength degradation of material in the fatigue process, a strength degradation model is proposed. a stochastic differential equation, which controls strength degradation, is obtained from the model randomized by markov process. by using the theory of stochastic, the distributions of residual strength at any given lifetime and lifetime of any given residual strength are attained. under a few suitable hypotheses, inverse gaussian distribution of fatigue life is derived, and verified by means of experimental data. the result shows that the model and the method are reasonable

    在研究疲勞過程中材料強度退化規律的基礎上，建立了一個強度退化模型.對其進行隨機化處理，得到控制強度退化過程的隨機微分方程.在一定假設條件下，獲得了剩餘強度概率密度函數的封閉解，並推導出疲勞壽命的反高斯分佈形式.給出一種考慮損傷狀態對隨機漲落影響的近似處理方法.與試驗數據的比較結果表明，本文的模型和方法是合理的
  10. Most seed orchard theory is based on the assumption that panmixis will occur and that selfing will not be a serious problem.

    大多數關于種子園理論，是以假定能發生隨機交配和自花受精而不會成為嚴重問題為依據的。
  11. The model assumes that every vehicle tends to keep expected time - headway and each vehicle synchronously updates its velocity by estimating the velocity of the head vehicle, the distance headway and the probability of random slowdown

    該模型假定行駛車輛都趨向于保持一個期望的車頭時距，通過對前車速度和車頭間距的估計，並考慮隨機減速的影響對車速進行同步更新。
  12. Firstly in this part, computer simulation methodology based on the baecher model for generating network of discrete fractures was presented, which includes the follow details : probability distributions of fracture density, orientation, trace length, size, and aperture and estimation of their statistical parameters ; stochastic models of fracture network ; monte - carlo ' s simulation method ; numerical simulation procedure and technicality. then, boundary element method was used to calculate flow through the generated fractured network. assuming single fracture as a two - dimension inexpressible isotropic porous media, boundary element method equations for flow in single fracture and then in fracture network were derived using the weighted residual method

    給出了離散裂隙網路模型所依據的基本假定；發展了基於baecher模型的離散裂隙網路計算機隨機生成技術：詳細地推導了單裂隙滲流和多裂隙相交網路滲流的邊界單元法公式，發展了離散裂隙網路中穩態滲流的邊界元數值技術，並且討論了相關的具體數值技術細節，如角點的處理方法，單元的自動剖分等：描述了混合邊界元?管流模擬方法及其數值實現；研究了裂隙網路的簡化方法，並針對裂隙網路邊界元法的特點提出了一種改進的分塊三角分解法。
  13. To analyses the changes of business income, we apply two methods : ( 1 ) suppose the volume of sales is random variable, ( 2 ) suppose the growth ratio of sales is random variable

    摘要應用兩種方法： （ 1 ）假定銷售量為隨機變量； （ 2 ）假定銷售增長率為隨機變量，研究企業收益的變化。
  14. Based on the hypothesis that the input for earthquakes is white noise and using the principle of random optimal control, the features of vibration control and the effects of parameters such as isolation degree, damping and ground site on them were analyzed

    假定地震動輸入為白噪聲，運用隨機最優控制原理，分析了組合隔震結構振動的控制性能以及隔震度、阻尼和場地等參數的影響。
  15. However, the traditional actuarial theory supposes that the policy ordered credit interest rate is fixed. actually, interest rate is stochastic, which results to interest rate risk in pricing of life insurance product. what the thesis studies is interest rate risk in pricing of life insurance product

    然而傳統的精算定價理論假設:利率是確定的，即精算師在定價過程中採用確定的保單預定利率，但事實上利率具有隨機性，從而會引發壽險定價利率風險。
  16. Obtained by emtp program and the egm, this paper studies on lightning protection performance on 500kv double circuit transmission line the distributed parameter model of tower is built when analyzing the back stroking lightning protection performance for double circuit line, it can truly reflect the spreading course of lightning current on the tower, furthermore, considering the randomness of working voltage ' s phase when lightning strokes the top tower and supposing the probability of lightning appearing arbitrary phase in a cycle of ac is equal, this paper brings forward the statistical method to calculate the rate of back stroking on double circuit line

    本文利用emtp程序、擊距法對500kv同桿雙回線路的耐雷性能進行了研究。在分析同桿雙回線路的反擊耐雷性能時，建立了桿塔的分佈參數計算模型，此模型可以真實地反映雷電流在桿塔上的傳播過程。並針對雷擊塔頂時，導線運行電壓相位角的隨機性，本文假定雷擊出現于交流一周期的任一角度區間內的概率相等，提出了利用統計法計算同桿雙回線路的反擊跳閘率。
  17. Underlying the assumption that the stock price accords with the model of the stock price fluctuating sources, by comprehensivily applying the stochasitic differential theory and no - arbitriagc thcory, this paper, under the conditions that the risk - free rate r is constant or ito stochasitic process, successively works out the option pricing about the stock price model with that the short - term profit function is piecewise lecture function arid that one with that the short - term profit function is possion jump process, derivats counterpart partial differential equation of option pricing. the outcome states : 1. when the short - term profit function is unusual flunctuating sources bring out a piecewise lecture function, this amendment on the lognormal distribution model does not improve the option price, because this partial differential equation of option pricing is the same one underlying the lognormal distribution model ( see equation 2. 14 )

    本文基於股價符合波動源模型的假設，綜合運用隨機微分理論等數學原理和無套利理論等金融理論，依此對短期收益率函數為分段階梯函數和possion跳躍過程的股價波動源模型分別在無風險利率是常數和隨機過程的條件下作了期權定價，推導出了相應的期權定價偏微分方程，結果表明： 1 、由異常波動源帶來的短期收益率函數是分段階梯函數時，這種對股價對數正態分佈模型的修正不能改善期權價格，因為基於這種模型的期權定價偏微分方程與基於股價對數正態分佈模型的期權定價偏微分方程完全相同（見方程2 . 14 ） 。
  18. To determine whether these variations in seismicity levels are random fluctuations or real physical phenomena, objective testing of unambiguously stated hypotheses is required6

    為確定地震活動性中的這些變化是否是隨機偶然的波動，還是真實的物理學現象，對不含糊指明的假說有必要進行有目標的試驗90 。 」
  19. The stability of baihetan ' s abutment is appraised with the two models, and the examples prove that the two models are validity

    為了簡化計算，本論文只選取了潛在滑移面上的粘滯力和摩擦系數為模糊隨機變量，並且假定其服從正態分佈。
  20. If either of strength and stress is stochastic variable and another is fuzzy variable, the. fuzzy variable can be transformed to section number on the assumption that the probability of fuzzy variable taking some points in that section is proportional to its value of membership function respectively, then the probability of structural fuzzy event is transformed to general probability with stochastic strength and stress variables and can be solved by general probability theory

    當強度和應力之一為隨機變量，另一個為模糊變量時，提出將模糊變量通過模糊集合截集轉換為區間數，並假定模糊變量在此區間取值的可能性與相應的隸屬函數值成正比。採用上述處理后，結構模糊事件的概率即轉化為相應的普通事件概率，可按應力和強度為隨機變量，用常規可靠性理論進行求解。
分享友人
分享到 Line

分享到臉書