隨機方程 的英文怎麼說

中文拼音 [suífāngchéng]
隨機方程 英文
stochastic equation
  • : 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...
  • : machineengine
  • : Ⅰ名詞1 (方形; 方體) square 2 [數學] (乘方) involution; power 3 (方向) direction 4 (方面) ...
  • : 名詞1 (規章; 法式) rule; regulation 2 (進度; 程序) order; procedure 3 (路途; 一段路) journe...
  • 隨機 : random stochasticrandom
  1. The thesis mainly study the technology of atm lan in - country and overseas, and with the key of qos. with the anatomist object of lan emulation and ip over atm, fouse on expatiate strategy which discussed from three aspect : emulation bridge in lan emulation, the setting of priority in ip over atm, the currency control of flux. at last, this paper set out the ascendant capability of the new strategy with the tool of probability and randomization

    本文主要在分析國內外在atm局域網技面的最新研究成果的基礎上,以服務質量( qos )為主線,以atm模擬局域網技術和ipoveratm技術為剖析對象,系統地闡述了在模擬網橋、優先級設置、通用流量控制面的改進策略並使用概率和工具初步展示了新策略優越的性能。
  2. Based on consider hereinbefore, this dissertation discusses several aspects on the problem of the sustainable and optimum exploitation of groundwater resources as follows : ( 1 ) reviewed entirely the origin and evolvement of the concept " sustainable development ", stated and commented the study status in queue on " sustainable development " around national and international range, thorough discussed the science connotation about the concept " sustainable development " ; ( 2 ) looked back and commented across - the aboard some furthest basic concept and proposition related to groundwater resources, put forward self opinions on a few existent mistake points of view and chaos understandings ; ( 3 ) expatiated entirely on the content and meaning of the theory of changeable groundwater resources system, contrast with the traditional methods of groundwater resources calculation and evaluation, combined example to show the application of this theory ; ( 4 ) thorough analyzed the difficult and complexity to forecast the groundwater resources, fully stated the traditional methods of groundwater resources forecasting, pointed out the characteristic and applying condition of these forecasting method, introduced the main ideas and methods of wavelet analysis developed recently, and the matlab software be known as the fifths era computer language, and its accessory wavelet analysis toolbox, applied these methods and tools to analyze the groundwater dynamic curve, adopted the b - j method and morte - carlo method, combined with the theory of changeable groundwater resources system, discussed the new view on the forecast of groundwater resources ; ( 5 ) synthetically analyzed the characteristics and limitations of the present all kind of groundwater manage model, combined mathematical programming mathematical statistics random process and the theory of variation system of groundwater resources on the unite optimum attempter of surface water and groundwater, emphasized how to make the model more nicety, more simple, more practicality ; ( 6 ) analyzed the inside condition and outside condition to assure the sustainable and optimum exploi tation of groundwater resources, the inside conditions are the follows : correct resources idea, scientific methods of resources calculation and evaluation, credible forecast methods of resources, exercisable measures of resources management, the outside conditions are the follows : the development idea of high layer, the transform of manage system, the matched policy and rule of law, the adjusted of economy lever, the improve of cultural diathesis, the boosting up of water - saving consciousness and detail measures, the control of population rising, the prevention and cure of water pollute, the renew and rebuild of ecology ; ( 7 ) scan the sustainable and optimum exploitation of groundwater resources from the high level of metagalaxy, earth system science, and philosophy ; lint out the more directions on groundwater resources

    基於以上考慮,論文主要從以下幾面對地下水資源可持續開發問題進行了比較深入的探討:全面回顧了「可持續發展」概念的由來與演變,對國內外「可持續發展」的研究現狀進行了述評,並對「可持續發展」概念的科學內涵進行了深入探討;對涉及地下水資源的一些最基本的概念和命題進行了全面的回顧和評述,對目前仍然存在的一些錯誤觀點和混亂認識提出了自己的見解;全面闡述了地下水資源變值系統理論的內容和意義,並與傳統的地下水資源計算評價法進行了對比分析,結合實例具體說明了法的應用;深入分析了地下水資源預測預報工作的極端重要性和復雜性,對傳統的地下水資源動態預測法進行了全面的評述,指出了各類預測預報法的特點及適用條件,對最近二十多年剛發展起來的小波分析技術的主要思想和法及其應用范圍,以及號稱第五代計算語言的matlab軟體和附帶的小波分析工具箱進行了介紹,並應用於地下水動態過線的分析,採用時間序列中的b ? j法,蒙特卡羅法,與地下水資源變值系統理論相結合,探討了地下水動態資料分析和地下水資源預測預報的新思路;綜合分析了現今各類地下水管理模型的特點及缺陷,將數學規劃、數理統計、等與地下水變值系統理論相結合進行地表水地下水或多水源的聯合優化調度,使模型更準確、更實用;對保證地下水資源可持續開發的內部條件和外部條件進行了分析,內部河海人學博卜學位論文前言、摘要、目錄條件主要是正確的資源觀,科學的資源計算與評價法,可靠的資源預測預報技術,可操作的資源管理措施,外部條件主要是高層發展思路、管理體制的變革、配套的政策法規、經濟杠桿的調節、人文素質的提高、節水意識的增強及具體節水措施、人口增長的控制、水體污染的防治、生態的恢復和重建等;從宇宙科學、地球系統科學及哲學的高度審視地下水資源的可持續開發;指出了地下水資源可持續開發的進一步研究向。
  3. The material presented in this chapter should give adequate preparation for those interested in specializing in specific areas of advanced probability and stochastic processes.

    這一章所講的內容,對有志於專攻高深概率和面的人,將給出充分的準備。
  4. If the covariance stationary processes are one dimension, for given data, covariance function and spectral density function can be estimated, and there is no need to select kernel function and its parameters

    如果協差平穩的狀態是一維的,對給定的樣本點,給出了協差函數的估計和其對應譜(密度)函數估計,而不必選擇核函數及其參數。
  5. 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:提出了模糊變量協差和反向協差的概念;研究了二階模糊變量的均收斂性,並在此基礎上得到了均模糊分析、平穩模糊及其譜分解的若干定理;根據均模糊分析理論,得到了輸入為模糊的線性系統的輸出輸入統計特徵關系;證明了ito型模糊微分解的存在唯一性,並給出了ito型線性模糊微分解的表達式,統計特徵以及非線性模糊微分的數值解法;得到了模糊線性系統的穩定性和可觀性條件、線性模糊系統統計特徵和線性模糊系統的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。
  6. Focused on the technique, interaction and result of visualization, the system for transitional state visualization is put forward, which effectively promotes the transfer, analysis and synthesis course of transitional information with better visualizability, figurativeness and maneuverability. the main work of this dissertation is as follows : the main characteristics of transitional state, such as fuzziness, randomness, fractal and chaos, are concluded. based on the combination of the fuzzy mathematics, stochastic process, fractal and chaotic theory, the feature description model of transitional state is put forward to make itself the foundation of following visualization methods and applications

    論文的主要工作包括:系統地提出了過渡狀態的特徵刻畫模型,概括了過渡狀態的模糊性、性以及分形性與混沌性等主要特性,結合模糊數學理論、理論以及分形理論與混沌理論等,以過渡率、過渡集合等作為特徵刻畫模型的主要內容,以過渡映射作為特徵刻畫的形成過,有效地描述了過渡特徵的漸變過,為可視化法與應用的具體實現奠定了理論基礎。
  7. As to the stochastic simulation of stochastic biological processes, if only use stochastic petri net, although it has standard graphics expression, which is isomorphic to markov chain, along with the increase of models ’ scale and complexity, the number of states will increase exponentially, so it is very difficult to analyze models by the method which stochastic petri net has ; if only use stochastic algorithm, which has rapid simulation speed, but lack of intuitive graphical expression

    對于生物過的模擬,如果只採用petri網模擬生物,其優點是形象、直觀,缺點是著模型的規模和復雜性的增加,狀態的數量呈指數性地增長,出現模型狀態空間的爆炸問題,用petri網本身的分析法很難分析整個系統的性能;如果只採用模擬演算法模擬,其優點是速度較快,但是缺少形象的圖形表達,不利於模擬技術的應用。
  8. This paper mainly analyzes control delay at urban signalized intersections. based on the survey data, this paper talks about vehicles movement characteristics of arrival and depart process, then the queueing headway distribution is obtained, and the suggestion that saturated flow should be measured from the sixth queuing vehicle is offered. using random process theory analysis and computer simulation, the queuing length distribution model is obtained

    本論文針對平面信號控制交叉口的延誤問題進行了分析,在實測數據分析的基礎上,探討了車輛到達過和離開過的運行特性,給出信號交叉口排隊離散車頭時距分佈模型,提出飽和流率的測量應從第六個離開的排隊車輛算起;運用理論和計算模擬的法得到了信號交叉口排隊長度分佈模型,在此基礎上運用協調變換的法改進了車輛延誤模型。
  9. Based on the principle of the cooperation, i. e, the correlative stochastic equations are located on the same probability level, the linear regression with fuzzy weight analysis is adopted to fit the test data, and the three - parameter stress - life curves of the mean and the mean square deviation are obtained

    根據協同原理,即相關聯的隨機方程動態地處于同一概率水準,採用模糊加權線性回歸法對試驗數據進行擬合,得到了三參數的應力-壽命模型均值和均差曲線,從而求得在給定應力下各可靠度的疲勞壽命。
  10. Second, i transform seismic - electrical data and volcano data worldwide from 1991 to 1999 to appropriate statistic models and analyze them by using the theories of random process and correlation. the results of the study testify that it is correlative between the seismic - electrical abnormal rectangle pulsation signals and volcano eruptions. so the study is a useful exploration for which whether we can monitor and observe worldwide volcanic activity in the whole

    接下來應用與相關理論的知識,以1991年1月1日至1999年12月31日為統計時間段,以北京工業大學地震研究所南北向地電脈沖儀所記錄到的地電異常矩形脈沖信號和全球范圍內的火山噴發事件為研究對象;抽取適合分析、又具物理意義的多個統計模型;並對信號模型與噴發模型間進行了詳盡的相關性分析。
  11. Abstract : it is essential to research radar clutter with non - gaussian spectrum and non - r ayleigh distribution in modern radar design. based on spherically invariant rando m process ( sirp ), this paper applies a new algorithm to model the clutter with k d istribution in amplitude and any power density spectrum. at last it is proved tha t thi s method is correct and applicable with real simulative clutter and statistical detection result

    文摘:研究並模擬具有非瑞利幅度分佈和非高斯功率譜的雷達雜波是現代雷達信號處理中的一個重要的研究課題.文中基於球不變( sirp )的建模法,針對實地採集的幅度滿足k分佈並具有有理功率譜的高解析度雷達雜波,運用現代譜估計演算法對其進行建模和模擬,並以模擬雜波與實際雜波的數據對比和統計檢驗的結果對該法進行了驗證
  12. This paper gives a review on the five analysis approaches of fluctuation pressure on the hydraulic structures and hydromachines : the method of probability and random process, the method of time - space correlation, the method of fitting data, the method of distribution hypotheses on the data of test survey stations, and the hydromechanics method

    摘要綜述了水工建築物及水利械上脈動壓力的五種分析法:概率和法;時空相關法;數據擬合法;根據實驗測點數據分佈假設法;流體力學法。
  13. At last the learning method for conditional probability distribution is investigated. * the congestion computing of tn and simulation in this paper a special stochastic process is studied and applied in telephone < wp = 7 > switch system. the congestion principle is analyzed from link system, telecommunication network and switcher

    *電信網阻塞計算法及模擬本文研究了增消及在電話交換系統中的應用,並從鏈路系統、電信網路及交換面分析了電信網產生阻塞的理並推導了阻塞計算法。
  14. The outcomes show that the rational annual volume of water regulation should be 16 billion m ^ 3 under the joint actions of three random processes of annual water deficit of huayuankou station, carrying capacity of the main river and distribution volume of huayuankou and ; the plan of annual water regulation of 17 billion m ^ 3 and 8 billion m ^ 3 is also feasible

    結果表明:在花園口站年缺水量、黃河幹流輸水能力和花園口配水量3個共同作用下,合理的年調水量應為160億立公尺;年調水170億立公尺和80億立公尺,也是可行的案。
  15. Abstract : construction and specification of weight and control system for producing extra low carbon ferrochromium by perrin process are introduced. the realizing method in computer for data process, ending control and technology model is analyzed. and an optimizing method based on stable random process is proposed

    文摘:介紹了熱兌法微鉻生產中稱量控制系統的組成和特點,分析了數據處理、終點控制及工藝模型在計算中的實現法,提出了基於平穩的優化控制法。
  16. A new type of viscoelastic stochastic finite element method is established using first - order perturbation theory based on local averaging method of random field and karhunen - loeve expansion theory of random process. the amount of computations is greatly reduced by transforming correlated random variables to a set of uncorrelated random variables. the relations of different random response variables are analyzed and monte carlo simulations for viscoelastic stochastic structures are investigated

    基於場的局部平均法以及的karhunen - loeve分解理論,通過一階攝動法建立了考慮材料近似不可壓縮的粘彈性有限元公式,由相關結構分解減少計算量,分析了各結構響應量之間的關系,給出了數字特徵的計算法,研究了粘彈性結構的montecarlo模擬驗證法。
  17. Students lead most of the class sessions in 15. 099, using the conference - quality presentations they have created. course readings revolve around this term ' s topic, randomized methods for deterministic optimization

    在15 . 099課中,大部分的課時由學生來領導,使用學生自己做的達到學術會議標準的陳述報告。課閱讀圍繞這學期的主題:確定性最佳化的法。
  18. In contrast to conventional optimization algorithms whose iterates are computed and analyzed deterministically, randomized methods rely on stochastic processes and random number / vector generation as part of the algorithm and / or its analysis

    傳統的最優化演算法中迭代的計算和分析是確定的,與之相比,法依靠數字/向量的生成作為演算法和(或)演算法分析的一部分。
  19. In keeping with the tradition of the last twenty - some years, the readings in optimization seminar will focus on an advanced topic of interest to a portion of the mit optimization community : randomized methods for deterministic optimization

    與過去20多年的傳統一致,最佳化書報討論課的重點將放在麻省理工學院一部分最佳化團體感興趣的一個高級主題上:確定性最佳化的法。
  20. This dissertation is meant to combine the theory of stochastic processes and the theory of fuzzy sets to find some new methods of system modeling, analysis and control by describe uncertainty more minutely, and then to balance the optimization and the robustness

    本文的目的是綜合運用和模糊集合論的法,通過更加精細地刻畫系統不確定性,探索具有模糊不確定性的系統建模、分析和控制的新法,並期望在最優性與魯棒性之間尋求比較好的結合點。
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