正態隨機過程 的英文怎麼說

中文拼音 [zhēngtàisuíguòchéng]
正態隨機過程 英文
normal random process
  • : 正名詞(正月) the first month of the lunar year; the first moon
  • : 名詞1. (形狀; 狀態) form; condition; appearance 2. [物理學] (物質結構的狀態或階段) state 3. [語言學] (一種語法范疇) voice
  • : 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
  • : 過Ⅰ動詞[口語] (超越) go beyond the limit; undue; excessiveⅡ名詞(姓氏) a surname
  • : 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
  • 過程 : process; procedure; transversion; plication; course
  1. 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,論文主要從以下幾方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方法進行了對比分析,結合實例具體說明了方法的應用;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預測方法進行了全面的評述,指出了各類預測預報方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方法及其應用范圍,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,並應用於地下水動線的分析,採用時間序列中的b ? j法,蒙特卡羅方法,與地下水資源變值系統理論相結合,探討了地下水動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、目錄條件主要是確的資源觀,科學的資源計算與評價方法,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方向。
  2. When it arrives at the predetermined destination, the robot controls multi - putting - ball mechanisms and puts the game - ball into the drum simultaneously. on the other side, on the basis of the theory and experiment, we subjoin a line - tracking device in the robot system, ensuring the correct moving of the robot along the white index line on the venue, in order to increase the accuracy of orientation. during the automatic moving, the robot measures the position on the venue by itself, moreover, judging its direction and automatic cut - away with the single - chip microcomputer. this system has been finished the experiment, and find credibility, be in point

    同時,為了保證器人確地沿著比賽場地上的指示線行走,提高器人定位的準確性,還從理論和實驗的角度,在器人上增加了一套尋線系統,以便器人在其自動行走的中,時檢測自身的位置狀,判斷偏離方向,進行自動的糾。這一套尋線系統已完成了實驗,且比較可靠、適用。
  3. The random mathematical model is described using equivalent markov equations. the time and state parameters are discrete. based on the model, the flow rate distributions along radial and average at any height can be calculated directly, moreover, the probability transition matrix of the flow can be determined via the statistic character of the random cumulate particles, and be corrected by s. cd the random theoretical model shown in fig. l, the section of the bed of tbr is divided into a series of concentric circles

    一、在常溫和常壓下進行滴流床反應器流率分佈的研究,以狀離散、時間離散的齊次markov描述了滴流床在滴流區的流率分佈,建立了滴流床在滴流區流率分佈的模型,根據此模型可以: 1 、可直接確定任一高度下的液體徑向流率分佈及平衡流率分佈; 2 、液體流動的概率轉移矩陣可由堆積顆粒的統計特性確定,以參數s修
  4. Taking the characteristics of road and bridge engineering into account, this paper makes systematic analysis and study on applications of static gps in data processing of surveying in road and bridge engineering : the feasibility of using single point positioning result as starting point is studied and the influence of it on baseline solution is discussed ; on account that the software provided along with instrument by vendors usually does not support coordinates in the independent engineering coordinates system from gps observations, a simple and effective method is represented for the gps data processing in the independent engineering coordinates system and is programmed. through real examples the method and programs are testified ; from gps surveying the wgs - 84 coordinates are acquired, while in reality coordinates in local coordinate system are needed, so conversion from wgs - 84 coordinates to local coordinates is necessary

    結合路橋工的特點,對靜gps在路橋工式控制制測量中的數據處理作了系統的分析和研究: ?對單點定位結果作為起算點的可行性進行了研究,並探討其對基線解算的影響; ?鑒于商家提供的軟體往往不支持利用gps觀測得到工獨立坐標系中坐標,為工獨立坐標系gps數據處理提供了一種簡便有效的方法,並編制了相關的處理序,通實例驗證,序是確的、方法是可行的; ? gps測量得到的是wgs - 84坐標,而實用上需要的是地方坐標系坐標,因而得把wgs - 84坐標轉換地方坐標系坐標。
  5. Along with the development of power system, more and more generators and ehv transmission systems are put into operation. there come many new situations, such as the lengthening transmission distance, the heavier load, the increasing transient elements during the transient process. these new conditions influence the correct working of relay protections

    著電力系統的不斷發展,大容量發電組和超高壓輸電系統的相繼投入運行,系統中出現了許多新的情況,如輸電距離增大、負荷加重、故障暫中的暫分量大大增加、持續時間變長等,這些情況對目前常用的各種繼電保護方法的確動作會產生許多不利的影響,甚至不能常運行。
  6. One dimension river flow roughness parameter inverse analysis kalman filter is introduced into the model to solve stochastic error in observed data. applying kalman filter automatism revising system, dynamic roughness course is obtained. using dynamic roughness course the model result precision is improved, it is more consistent with observed data

    對於一維河道糙率參數反分析,針對觀測資料存在的誤差,引進卡爾曼濾波器的自動校系統,求解出河道糙率變化的動,使用動糙率計算,明顯改善模型的模擬精度,使模擬和觀測很好吻合。
  7. This thesis suggests a process considered minimizes the population size as similar individuals occur in the fitter members of the population, which helps reduce the execution times for ga by removing the redundancy associated with the saturation effect found in the later generation. this thesis uses a method that adds dynamic penalty terms to the fitness function according to the optimal degree of solutions, so as to create a gradient toward a feasible suboptimal or even optimal solutions. on the basis of the difference of the biggest and the smallest of fitness of individual, modifying the fitness function in order to convergence is a satisfaction

    調節種群大小,去掉遺傳演算法在迭代後期搜索產生的多相似個體,達到減少計算時間的目的;按照解的優劣度給適應度函數增加一個在ga搜索中動改變的可變罰函數,給搜索最優解創造一個梯度,使遺傳演算法收斂到可行的較優解或最優解;根據適應度值最大和最小個體的差修適應度函數,使適應度函數值適中不容易造成收斂太快、局部收斂或根本不收斂而變成搜索;為了避免「近親繁殖」採用競爭擇優的交叉操作;利用并行遺傳演算法的思想,提出一種自適應多子種群進化策略;提出人口汰新政策來解決類似甚至相同的個體的情況發生。
  8. 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跳躍的股價波動源模型分別在無風險利率是常數和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,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,這種對股價對數分佈模型的修不能改善期權價格,因為基於這種模型的期權定價偏微分方與基於股價對數分佈模型的期權定價偏微分方完全相同(見方2 . 14 ) 。
  9. The models of the stock price fluctuation is a mathematics model discribing the fluctuation of the stock price, it is all along the question financial scholars research over a long period of time, the models existing at present are mainly the model of randonm walk and the model of lognormal distribution etc. economists analyse the two models by authentic proof, which indicates that this two models do not fully qualify the actual stock market. in view of the above - mentioned facts, at the time some scholar have studied a new model of the stock price that even conforms to the actual stock market - that is the model of lognormal distribution

    股票價格波動模型是用於描述股票價格波動的數學模型,一直是金融學者們長期研究的問題。目前存在的模型主要有遊走模型、對數模型等,鑒于股價波動的遊走模型和對數模型均經實證分析,表明不完全符合現實的股票市場,目前理論研究者提出一種更符合實際股票市場的股價模型-股價波動源模型(文[ 5 ]的作者將股價異常變化帶來的短期收益率函數附加在幾何brown運動上,推廣了對數模型)及研究出了另一種混合形式下(見文[ 15 ] )的期權定價方
  10. But in more situations the random variables generating counting processes may not independent identically distributed, and in all kinds of dependent relations, negative association ( na ) and positive association ( pa ) are commonly seen. the research and apply in this aspect are rather valuable. in chap 2 we prove wald inequalities and fundamental renewal theorems of renewal counting processes generated by na sequences and pa sequences ; in chap 3 we are enlightened by cheng and wang [ 8 ], extend some results in gut and steinebach [ 7 ], obtain the precise asymptotics for renewal counting processes and depict the convergence rate and limit value of renewal counting processes precisely ; at last, in the study of na sequences, su, zhao and wang ( 1996 ) [ 9 ], lin ( 1997 ) [ 10 ] have proved the weak convergence for partial sums of stong stationary na sequences. however product sums are the generalization of partial sums and also the special condition of more general u - statistic

    但在更多的場合中,構成計數變量未必相互獨立,而在各種相依關系中,負相協( na )和相協( pa )是頗為常見的關系,這方面的研究和應用也是頗有價值的,本文的第二章證明了na列和pa列構成的更新計數的wald不等式和基本更新定理的一些初步結果;本文的第三章則是受到cheng和wang [ 8 ]的啟發,推廣了gut和steinebach [ 7 ] )中的一些結論,從而得到了更新計數在一般吸引場下的精緻漸近性,對更新計數的收斂速度及極限狀進行精緻的刻畫;最後,在有關na列的研究中,蘇淳,趙林成和王岳寶( 1996 ) 》 [ 9 ] ,林炎( 1997 ) [ 10 ]已經證明了強平穩na列的部分和的弱收斂性,而乘積和是部分和的一般化,也是更一般的u統計量的特況,它與部分和有許多密切的聯系又有一些實質性的區別,因此,本文的第四章就將討論強平穩na列的乘積和的弱收斂性,因為計數也是一種部分和,也可以構成乘積和,這個結果為研究計數的弱收斂性作了一些準備。
  11. Following technologies developing, flexible manufacturing is broad used in machinofacture, condition monitoring technic in flexible manufacturing is more important for insuring flexible manufacturing normal and high efficiency running

    著科學技術的發展,柔性製造在械製造領域中的應用日益廣泛,對其監控技術的研究,對于確保柔性製造系統常高效運行具有十分重要的意義。
  12. The forming - nucleus drive power could form numerous little crystal nucleus under natural melting temperature. the formation of tic particles in the melt could be divided into two phases which was forming - nucleus and growth. the forming mechanism of tic was : melting ti first surrounded c, then ti melting in the alloy and c formed a complicated reaction mesosphere on the carbon surface

    根據熱力學及動力學分析,認為在碳顆粒界面處tic的形核率很高,形核驅動力足以在常的熔煉溫度下形成眾多的小晶核;熔體中tic顆粒的合成可分為形核與長大兩個階段,其形核制為:首先活性ti原子包圍c ,溶入合金中的ti與c在碳表面形成一復雜反應中間層,著反應進行, ti和c顆粒不斷減少,生成的tic不斷彌散分佈於熔體中;其長大著tic顆粒的相互堆砌、聚集和形規則化。
  13. Power bond graph is used to established the bond graph model of the lifting and dropping of hydraulic pile hammer and state space equation in the paper for hydraulic pile hammer is perplexing nonlinear system. in order to attain the graph that pressure, position, velocity, acceleration vary with time in the course of driving pile simulation procedure solving state space equation is designed on the basis of combining four - order runge - kutta method with predicator - corrector method, dynamic simulation of the hydraulic system is studied in matlab 6. 5. it is convenient to analyse dynamic characteristics of the hydraulic syste m, beneficial to the design and parameter optimization of the hydraulic system. in the final part of the paper, under detailed analysis of the control characteristics for double - acting hydraulic pile hammer with double cylinders, control system based on the programmable logic controllers founded on technology of modern compute is designed

    由於液壓打樁錘液壓系統是一個復雜的非線性系統,本文採用功率鍵合圖法建立液壓打樁錘上行、下降的鍵合圖模型和狀空間方,通四階龍格?庫塔法和預估?校法相結合編制了模擬序對狀空間方求解,在matlab6 . 5中進行液壓系統的動模擬,獲得液壓打樁錘運動中壓力、位移、速度、加速度等時間變化的曲線圖。此曲線圖方便了對液壓系統動特性分析,為液壓系統的設計和參數優化提供了有益的借鑒。最後,在深入分析雙缸雙作用液壓打樁錘控制系統的功能要求后,採用了以現代計算技術為基礎的新型工業控制裝置? plc可編式控制制器,設計出了雙缸雙作用液壓打樁錘的電器控制系統。
  14. Empirical analysis shows that changes in exchange rates do not follow normal distribution but fractal distribution ; fractal r / s analysis indicates that changes in exchange rates are not a random - walking process, but a biased random process, that exchange prices are not independent of each other, but continuous in state, and that changes in exchange prices are cyclical

    實證分析表明,外匯匯率變化不服從分佈,而是服從分形分佈;運用r / s方法對匯率變化進行分形分析后得出,外匯匯率變化不是一個遊走的,而是一個有偏的,匯率價格之間不是相互獨立的,而是具有狀持續性的,匯率價格的變動具有周期性。
  15. For power control of listening users, forward power control method are introduced based on full, multichannel, filtered report, and collision method etc. the full report method has redundancy report information, and its real - time performance is bad, multichannel report is introduced to improve the real - time performance, and filtered report is introduced to eliminate the redundancy information, finally the collision method introduced can not only get higher real - time performance but also diminish the redundancy information ; 2. in order to meet the requirements of making the dynamic simulation of trunking group system, the ms ’ s random move equation is brought forward, the simulation of ms ’ s distribution is done and the integrated channel model are presented ; 3. the smart predicative model of power control is introduced to overcome the delay and track the change of the complicated network, with this model, the power control ‘ s performance is greatly improved

    全匯報方法存在冗餘的匯報信息,而且實時性較差,為了改善實時性提出了多通道的匯報方式,為了改善冗餘匯報而提出了篩選法,最後介紹的碰撞法在減少冗餘信息的同時又提高了實時性;二、為了集群功率控制動模擬的需要,提出了移動臺的運動方,進行了有關移動臺的分佈模擬,建立了綜合的通道模型;三、希望克服延時和跟蹤復雜網路環境變化,提出了功率控制的智能預測模型,通智能預測模型可以改善功率控制的性能,著重介紹了採用神經網路的方法實現智能預測的通用模型,從而跟蹤復雜多變的無線環境,諸如慢衰落及快衰落(包括多徑衰落、多普勒效應所引起的衰落)等網路特徵,達到預測功率需求;四、採用二級交碼和智能天線(空分多址)的方法進行組內用戶的識別,改進功率控制效果;五、話權用戶的前向和反向功率控制方法;六、對引入gota的cdma系統提出了復合容量表示方法,並作容量分析,探討有關gota系統的qos問題。
  16. Abstract : according to the realities of existing engineering structures, the logostic normal distribution is used to described the common variables in the analysis of structural reliability. the checking point method of simulation logistic normal distribution is proposed. the appliation of the logistic normal distribution is demonstrated by the reliability analysis of durability for corrosion of steel reinforcement

    文摘:根據在役工結構的實際情況,採用對數分佈來描述可靠度分析中常遇到的變量;討論了擬對分佈的驗算點法;通對鋼筋混凝土鋼筋銹蝕的耐久性可靠度分析,說明了擬對數分佈法的應用。
  17. In continuous - lime framework, assuming that asset price follows stochastic diffusion process, it introduces parametric uncertainty, and applies stochastic dynamic programming to derive the closed - form solution of optimal portfolio choice, which maximizes the expected power utility of investor ' s terminal wealth ; in discrete - time framework, continuous compounding monthly returns of risky asset are assumed to be normal i. 1. d., it applies the rule of bayesian learning to do empirical study about two different sample of shanghai exchange composite index

    在連續時間下假設資產的價格服從擴散,引入參數不確定性,利用規劃方法推導出風險資產最優配置的封閉解,使投資者的終期財富期望冪效用最大;在離散時間下假設風險資產的連續復合月收益率服從獨立同分佈的分佈,通貝葉斯學習準則,以上證綜合指數不同區間段的兩個樣本做實證研究。
  18. A more systemic and in - depth research of error correction on grating dynamic measurement system is performed through analyzing the characteristics of dynamic error, the characteristics of angle and circular division measurement, the dynamic error statistical characteristic of measurement system and the error transfer characteristics

    對動誤差特性、角度和圓分度測量特點、測量系統動誤差特性和誤差傳遞特性的分析,對光柵動測量系統的誤差修技術進行了較系統和深入的研究。
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