stochastic effect 中文意思是什麼

stochastic effect 解釋
隨機效應
  • stochastic : adj. 1. 機會的；有可能性的;隨便的。2. 【數學】隨機的。
  • effect : n 1 結果。2 效能，效果，效力，效應，作用，功效；影響。3 感觸，印象；外觀，現象。4 旨趣，意義。5 ...
  1. Abstract : considering the stochastic characteristic of main hydrogeologic parameters in yuanbaoshan open coal pit, a groundwater stochastic management model for optimal drainage borehole design is established. the result of the modeling shows the effect of stochastic characteristics of hydrogeologic parameters on the result of management modeling. it was found that the higher the parameters uncertainty and the management reliability level, the worse the management result

    文摘:從影響元寶山露天礦地下水疏乾的主要水文地質參數隨機性特徵分析入手，建立並求解了元寶山露天礦疏干工程優化設計的隨機地下水管理模型，揭示了水文地質參數隨機性對管理模型結果的影響，認為參數的隨機性越大，管理結果越壞；置信水平越高，管理結果越壞，且滲透系數和邊界條件對管理結果影響最大。
  2. For the stochastic effect, a threshold does not exist, but the probability of having detrimental effect is proportional to the dose absorbed

    而後者沒有劑量閥值，但效應出現的機會率與劑量有關。
  3. It is found that the existence of a maximum in the snr is the identifying characteristic of the sr phenomenon. " the main - unexpected - - novelty is the dependence of the effect on initial condition. " ( report of the phys. rev. e referee ) the coherence resonance ( cr ) and the stochastic resonance ( sr ) phenomenon in a globally coupled fitzhugh - nagumo neurons model are studied

    Ohyreve審稿人語）在對fhn神經模型的共振現象研究中，我們考慮一個存在耦合的多個神經細胞相互作用的神經網路，利用平均場理論和概率躍遷理論，得到了神經系統在無信號和有周期性信號的兩種倩況下的靜息電位。
  4. The thesis comprehensively deliberates stochastic and fuzzy character of controlling the cost of engineering construction ; it takes quantitative analysis as the dominant factor, takes qualitative analysis as the secondary factor, establishes an comprehensive system of controlling the cost, and make various theories, the basic principles and the methods of engineering maths in the analysis and calculation of controlling the cost of engineering construction, such as effect theory, fuzzy maths, value engineering, grey system and system simulation. it also establishes the simple and effective practical model. on the basis of practical example, it puts forwards the train of thought and method to controls the cost of engineering construction in the different stage

    本論文綜合考慮了工程造價控制的隨機性和模糊性，以定量分析為主，定性分析為輔，構造了造價控制的綜合體系，將效用理論、模糊數學、價值工程、灰色系統、計算機模擬等多種理論及工程數學的基本原理和方法應用到工程項目造價控制的分析和計算中，建立了簡便而有效的實用模型，並結合工程實例，提出來了不同階段工程造價控制的思路和方法，針對不同的情況，綜合應用定性與定量的控制方法，消除了以往工程項目造價控制只停留于項目實施階段的缺陷，提高了量化研究的水平和準確性，為政府建設管理部門進行科學管理及各建設參與單位今後進一步改進自身的項目造價管理工作提供了寶貴的理論依據。
  5. Effect of pylon stochastic wind field on buffeting response of long cable - stayed bridge

    考慮橋塔風效應的斜拉橋時域抖振分析
  6. It ' s movement is usually known as the stochastic movement which is caused by the equal speed beeline movement and the atmosphere ' s effect

    其基本運動一般可被認為是勻速直線運動附加大氣擾動等因素引起的隨機運動，選取目標運動空間為三維直角坐標系。
  7. To make further study on the optimization capability of iga and other correlative capabilities mathematically, stochastic theory is used to analyze iga. as a result, the global convergence of iga and other correlative characteristics are got. meanwhile, the convergent effect and the mechanism on prevention from premature of iga is studied so that the effectiveness and the superiority of the algorithm proposed in the dissertation are proved theoretically

    為了從數學角度更加深入地分析iga的優化能力及相關性能，利用隨機過程理論對iga進行分析，並證明了iga的全局收斂性及其他相關性質，還對iga的收斂效果以及對早熟的防治機理進行了研究，從而在理論上證明了本文演算法的有效性和優越性。
  8. In this paper, a new noise removed method based on noise concept is introduced, and it demonstrates very good effect on removing noise, such as salt & pepper noise, stochastic pulse noise and so on, especially stochastic pulse noise. the arithmetic is simple and effective, and is realized easily

    筆者介紹了一種新的去噪方法，該方法是基於噪聲的概念提出的，對去除諸如椒鹽噪聲、隨機噪聲等效果都很好，尤其對隨機噪聲更顯出其優勢。
  9. Then the monte carlo method, based on the stochastic theory, is applied to investigate the effect of the spatial variation of hydraulic conductivity on the fate of contaminant plume

    應用基於隨機理論的蒙特卡羅方法，來研究滲透系數的空間變異性對污染物運移結果的影響。
  10. Seismic response analysis of a long - span cable - stayed bridge under random seismic excitations with spatial variations, including travelling effect, incoherence effect and local site effect, was made with stochastic method

    摘要以南京第二長江大橋南漢橋為例，採用隨機振動分析方法研究了地震動的空間變化特性，包括行波效應、部分相干效應以及局部場地效應對大跨度斜拉橋地震響應的影響。
  11. As the basis of stochastic torsional analysis, a stepped thin - walled beam model with complex cross - sections of arbitrary shapes ( open, closed or mixed ) is established in this paper, which takes into account the effect of secondary shear flow resulting from warping restraint

    摘要具有復雜斷面形狀的階梯精密梁模型作為扭轉隨機分析的基礎，可以計及翹曲約束引起的二次剪流。
  12. Based on the theory of stochastic finite element, the structural parameters of frame - shear structure including stiffness and mass and damping are simulated to be stochastic variables. by solving recurrence equation of stochastic finite element, the duration curve of mean value and standard deviation of seismic response can be obtained for every floor of frame - shear structure. an analysis is thus given to the effects of independent variation and simultaneous variation of structural parameters on the seismic dynamic response of frame - shear structure. as shown by the results, with regard to frame - shear structure, the effect of variation of strucural parameters on the change of mean value are chiefly the increase of standard deviation of response. variation of stiffness will cause the response of frame - shear structure to variate greatly ; variation of mass shows less effect ; and variation of damping shows insignificant effect. the effects of simultaneous variation of various structral parametres on seismic response are only slightly greater than the effect of stiffness variation alone

    以隨機有限元理論為基礎，將框剪結構的剛度、質量、阻尼等結構參數為隨機變量.通過求解隨機有限元的遞推方程，得到框剪結構各層的地震動力響應均值和標準差歷時曲線.分析結構參數單獨變異，以及同時變異對框剪結構地震響應的影響.研究結果表明，對框剪結構而言，結構參數的變異對響應的均值變化影響都不大，主要是增大響應的標準差.剛度的變異性將引起框剪結構的響應發生大幅度變異，質量的變異性影響稍小，阻尼的變異性影響不顯著.結構各參數的同時變異，對框剪結構地震響應的影響，僅比剛度單獨變異的影響稍大
  13. Applying stochastic control principle and a dynamic inventory model of supply chain with multi - distributed center based on literature ( superscript [ 1 ] ), the bullwhip effect is restrained by taking the order as control variable

    本文採用隨機控制理論方法，針對在文[ 1 ]基礎上建立的具有多分銷中心的供應鏈動態庫存模型，以供應鏈系統中的訂貨作為控制變量抑制牛鞭效應。
  14. It is generally believed that exposure of fetus at the first 3 weeks of pregnancy should not cause any deterministic and stochastic effect to the embryo

    科學家通常認為在懷孕后最初三周內胎兒受到照射，是不會引起活產嬰兒身上出現確定性或隨機性效應。
  15. 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。
  16. According to the properties of both the structural style and the vibration mode of long cable - stayed bridge, and considering the correlation characteristics of natural wind, a practical method is introduced to simplify stochastic wind velocity field of long cable - stayed bridges for taking pylon wind field effect into account

    為考慮斜拉橋橋塔風效應，根據大跨度斜拉橋結構形式特點，結合脈動風的相關特性，提出了一種簡化的大跨度斜拉橋三維脈動風場模擬方法。
  17. A great deal of problems are connected with analysis and design of system which is interfered by enviroment ' s uncertainties. this kind of uncertainties are due to different sources. one kind of disturbation sources happen because of unefficient conditions which lead to the uncertain cause and effect relation which show the uncertainies on the happening or not of the affair. it is the so called stochastic character. the other kind of disturbation sources are the character that it is both this and that which appears in the transition of the thing ' s difference which is called the fuzzy character. the third disturbation sources are the uncertainty which happens due to the effect of the fuzzy character and stochastic character which is called the fuzzy and stochastic character

    大量實際問題都涉及到對受環境不確定性干擾的系統的分析和設計，這類不確定性干擾可由不同的源產生。一種干擾源是由於條件不充分，使得在條件與事件之間不能出現確定性因果關系，從而在事件的出現與否上表現出的不確定性，這種不確定性稱為隨機性。另一種干擾源是事物的差異在中間過渡時所呈現的亦此亦彼性，這種不確定性稱為模糊性。
  18. The new model develops the advantages of accumulation generation in the grey forecasting method, weakens the effect of stochastic - disturbing factors in original sequence, strengthens the regularity of data, and avoids the theoretical defects existing in the grey forecasting model

    新模型發揮了灰色預測方法中「累加生成」的優點，弱化了原始序列中隨機擾動因素的影響，增強了數據的規律性，同時避免了灰色預測方法及模型存在的理論缺陷。
  19. Considering the behavior of decision - makers and stochastic of effect factors, author wants to analyze the risk during ship operation more effectively. the decision rule is minimum of bayes risk

    旨在充分考慮了決策者行為及影響因素隨機性的基礎，更科學合理地分析船舶投資項目在投入運營後面臨的風險，以貝葉斯風險最小的方案為決策的最優方案。
  20. Thus, we have deeply studied the applications of stochastic theory in protein motor and fhn neuron model, and obtained some important results, especially the opposing role of the amplitude and correlation strength in protein transport, the locked phenomenon in fhn neuron model, the dependence of the effect on initial condition, the phase transition and resonance in globally coupled neuron system

    為此，我們對隨機理論在生物馬達蛋白和fhn神經模型上的應用進行了較深入的研究，取得了一些有重要意義的成果，特別是發現：漲落勢的幅值和關聯強度對蛋白輸運起著相反的作用；噪聲誘導fhn神經電位的鎖定現象；噪聲關聯導致雙穩系統對初始狀態的記憶功能；噪聲作用下全局耦合fhn神經網路的共振和相變現象。
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