隨機積分方程 的英文怎麼說
中文拼音 [suíjījīfēnfāngchéng]
隨機積分方程
英文
random integral equation- 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
- 積 : Ⅰ動詞(積累) amass; store up; accumulate Ⅱ形容詞(長時間積累下來的) long standing; long pending...
- 分 : 分Ⅰ名詞1. (成分) component 2. (職責和權利的限度) what is within one's duty or rights Ⅱ同 「份」Ⅲ動詞[書面語] (料想) judge
- 方 : Ⅰ名詞1 (方形; 方體) square 2 [數學] (乘方) involution; power 3 (方向) direction 4 (方面) ...
- 程 : 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
- 積分 : 1. [數學] integral; integrate; integration 2. [體育] (積累的分數) accumulate points
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Secondly, the paper brings out problems which are need to be solved as emphases by analyzing objectively the plant ' s cost control actuality, the existing problems and its reasons. the analysis indicates that because of high dependence on planned economy, exterior factors seriously restricting the reasonable price of fuel, the electrovalence being made by exterior, the deficiency of its interior mechanism and the big random of cost control, the enthusiasm that the plant manages and controls cost independently is badly hurt. thirdly, aiming at these leading problems, applying the present cost control theory and the main cost control methods of electricity enterprises both home and abroad, the paper designs and evaluates its cost control project at these aspects of productive technology, management, logistic control, financial management and the manpower cost, and lodges corresponding cost control project of every tache
論文首先對當今國內外成本控制理論研究現狀和應用現狀進行了分析,包括成本性態分析、成本控制內容分析及成本控製程序與方法的分析,為論文研究打好了理論基礎;其次客觀全面地分析了永昌電廠成本控制的現狀和存在問題及其產生原因,其中包括計劃經濟色彩濃厚、外部因素嚴重製約燃料成本的合理配比、電價確定權在外,它嚴重挫傷企業成本管理與控制的自主積極性,也包括企業內部機制不全、成本控制的隨意性大等問題,這為本論文提出了需要重點解決的問題;然後針對永昌電廠在成本控制方面存在的主要問題,應用當今國內外成本控制的主要理論和發電企業成本控制主要方法,從生產技術、生產管理、物流控制、資金管理及人工成本等方面對永昌電廠成本控制方案進行了相對全面的設計和評價,提出相關環節的成本控制方案。The basic principle and method of 3d stochastic modeling of sedimentary microfacies are discussed according to geological and acoustic impedance data of well - logging constrained seismic inversion, and a case study according to stochastic modeling of fluvial facies reservoir of the minghuazhen formation of neocene in a certain block of bohai bay basin is used to show the general process of this research
摘要探討了綜合應用地質及測井約束地震反演信息進行三維沈積微相隨機建模的基本原理、思路與方法, ?以渤海灣盆地某區塊新近系明化鎮組河流相儲層?例,說明這一研究過程的基本步驟,包括井眼沉積微相解釋、測井約束地震反演、波阻抗與地質相的概率關系分析、隨機模擬方法選擇、地質統計特徵分析、三維隨機建模、隨機模擬預測的多解性評價。As the popularization and application of integrate logistics support engineering thinking at our country industry field and the military continuously, the evaluation of equipment integrate logistics support capability become the mostly means to check up the stand and fall of equipment character of supportable design, the efficiency of the equipment using supportability and the decision - making to equipment ' s continuous model development, at the same time, along with the development and maturity of computer simulation technique, the research of analysing and evaluating equipment ' s effectiveness steps into a new stage, we can get the handle and maintain data on the base of originally lasting accumulating in existence by utilizing the computer emulating technique, which is necessary to analyzing and evaluating the ground - to - ground missile ' s integrate logistics support effectiveness, via simulating the handling and maintaining process of ground - to - ground missile weapon, we can evaluate the ils effectiveness comp rehensively, impersonally, veraciously, consequently, provide decision - making gist to make the best support project
隨著綜合保障工程思想在我國工業界和軍方不斷普及和推廣應用,裝備綜合保障能力的評估成為檢驗裝備保障性設計好壞、裝備使用保障效能高低以及裝備后續型號發展決策的主要手段,同時隨著計算機模擬技術的不斷完善和成熟,裝備效能分析與評估研究進入了一個新階段,我們可以在導彈武器綜合保障效能分析與評估所需使用與維修數據原始積累的基礎上,利用計算機模擬導彈武器在真實使用環境中的使用維修過程,達到對導彈武器系統的綜合保障能力進行更全面、客觀、準確的評價目的,從而為裝備保障部門制定最優的保障方案提供更好的決策依據。In rsdm, binary patterns are replaced by real - valued patterns, accordingly avoiding the coding process ; the outer learning rule is replaced by regression rule, therefore the model has not only the ability of pattern recognition but the ability of function approximation. the prearrangement of the address array bases on the distribution of patterns. if the distribution of patterns is uniform. then the address array is prearranged randomly, otherwise predisposed with the theory of genetic algorithm and the pruneing measure so as to indicate the distribution of patterns and improve the network performance. non - linear function approximation, time - series prediction and handwritten numeral recognition show that the modified model is effective and feasible
在rsdm中,以實值模式代替二值模式,避免了實值到二值的編碼過程:以回歸學習規則代替外積法,使該模型在具有識別能力的同時具有了對函數的逼近能力;地址矩陣的預置根據樣本的分佈採取不同方法,若樣本均勻分佈,則隨機預置,否則利用遺傳演算法的原理和消減措施來預置地址矩陣,使之反映樣本的分佈,改善網路的性能。The interpolate technology just like a " ruler ", the resolving power of the " ruler " affect that the sampling points are arrayed correctly on time axis, and is determined by the multiple of the double slope integral amplifier. so it is core in the whole project. the project apply the complicated program logical device ( cpld )
內插技術的應用使得隨機采樣理論能夠得以實現,內插技術相當于測量用的「尺子」 , 「尺子」最小分辨能力決定了最後采樣點重新在時間軸上位置排列的真實可靠程度,這里尺子的最小分辨能力是由雙斜率積分時間擴展器放大倍數決定的,所以說該模擬充放電放大電路在整個方案中是個很關鍵的部分。In 6. 635, topics covered include : special relativity, electrodynamics of moving media, waves in dispersive media, microstrip integrated circuits, quantum optics, remote sensing, radiative transfer theory, scattering by rough surfaces, effective permittivities, random media, green ' s functions for planarly layered media, integral equations in electromagnetics, method of moments, time domain method of moments, em waves in periodic structures : photonic crystals and negative refraction
本課程所覆蓋的論題包括:狹義相對論、運動媒質的電動力學、色散媒質中的波、微帶集成電路、量子光學、遙感、輻射傳輸理論、粗糙表面上的散射、有效介電系數、隨機媒質、平面層狀媒質的格林函數、電磁學中的積分方程、矩量法、時域矩量法、周期結構中的電磁波:光子晶體和負折射率。In this paper, by using monte carlo method with irregular grid random walk in time - space domain the problem of mass concrete transient temperature field was solved
摘要利用求偏微分方程的蒙特卡羅演算法,通過在時空域中不規則網格隨機游動來求解大體積混凝土不穩定溫度場。Are uncertain and should be regarded as random variables, therefore the reinforced concrete frame is stochastic structure inherently, and then its motive equations converted to combined random differential equations for the uncertain parameters and external random excitation. these equations were solved by order - orthogonal expansion method with pseudo - excitation method, and then the statistic stochastic responses of random structure were obtained. at last, based on the stochastic cumulative damage model with double parameters developed by park, formulas were formulated for calculating structural earthquake damage probability using the structural reliability theory ( mainly jc algorithm ) in extensive random space
首先對受地震激勵的剪切型鋼筋混凝土結構進行建模,用隨機等效線性化方法將二階非線性微分方程組化成一階線性微分方程組(或稱之為狀態方程) ;再考慮材料等參數的隨機性,則狀態方程成為復合隨機微分方程組,將擴階系統方法和虛擬激勵方法推廣並應用於這個復合隨機微分方程組,求出結構的隨機響應量的統計參數;最後採用隨機累積損傷破壞準則,在廣義隨機空間內,用jc演算法求解失效概率,進而求出結構的抗震可靠度。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。This system tests 19 parameters such as the pressure of fore and after main fluid pumps and every sub fluid pumps ", force of pedal, turn angle of steering wheel, speed of every wheels and car body, and calculates 9 correlation analyses according to the gb112676 - 1999 " automobile system structure, capability and test methods " and gb7258 - 1997 " technical regulation of automobile safety ", also it can generate data report automatically
該系統對汽車制動過程中前後液壓總泵出口液壓、各制動分泵進口液壓、腳踏板力、方向盤轉角、各車輪轉速、車體速度等共計19個物理量進行測試。系統硬體由便攜式計算機、數據採集器以及相應傳感器組成。硬體設計中採用了模塊化設計思想,使得測試系統體積小、重量輕、抗振動、安裝拆卸方便、易於維護、可以進行隨車實測試驗。The article has researched the intention of agricultural industrialization which is guided by market and mainstay enterprises, based on agricultural product base organized by a lot of families, and characterized by joint management and mutual benefit. it also realized production specialization, product commercialization, service socialization and etc. the article has also researched the existing conditions of agricultural industrialization both at home and abroad. although it is different in national conditions and actual practice, the developed countries follows the market economic law and naturally steps on the road of agricultural industrialization. as the continuous reforming and opening up, china actively explores and enhances the management level of agricultural industrialization. the writer uses system changing theory, scale management theory, trade expense theory. market system theory and industrial economics theory, to put forward the main type of mainstay enterprises, which is divided by ownership, organization form, contact form and product. the writer thinks that development of mainstay enterprises can promote effective joining between small production and big market, the developing of high - benefit agriculture, establishing trade / industry / agriculture operation system, region economics and joining process between urban area and rural area. the existing conditions in strengthening the mainstay enterprises in zhaoyuan embodies continuous expanding in scale. continuous widening in fields, continuous enhancing in benefits, continuous improving in techology and quality. by finding the problem and shortage in product quality, developing ability and scale strength, the article has put forward the following views : face to market and enhance quality and techological content of agricultural products ; enforce flexible policy and investments ; establish fair and reasonable benefits joining system. the article has also put forward the countermeasures and suggestions on enhancing the enterprises ' management level
文章研究了農業產業化經營的內涵,明確其以市場為導向、以龍頭企業為依託、以一大批農戶組成的農產品生產基地為基礎,形成農工商有機結合、風險共擔、利益均沾的本質特點,表現出生產專業化、經營一體化、企業規模化、產品商品化、服務社會化等特徵。分析了國內外產業化經營的現狀,認為盡管各國的國情不同,具體的做法和叫法不盡相同,但是經濟發達國家都遵循市場經濟規律,很自然走上了農業產業化經營的道路,發展中國家紛紛仿效,中國也隨著改革開放不斷深入,積極探索發展提高農業產業化經營水平。作者運用制度變遷理論、規模經營理論、交易費用理論、市場機制理論和產業經濟學理論,提出了龍頭企業從所有制形式、從組織形式、從聯系方式及從產品上劃分的主要類型;認為發展龍頭企業有促進小生產與大市場的有效對接、推動優質高效農業縱深發展、建立貿工農一體化運行機制、振興區域經濟、加速城鄉一體化進程等作用;考察了招遠市壯大龍頭企業推進農業產業化的現狀,表現在規模不斷擴大、領域不斷拓寬、效益不斷提高、技術不斷改進、質量不斷提高等方面;找出了龍頭企業產品質量上、開發能力上、規模實力上和行業自律上的問題和差距,提出了要面向市場,努力提高農產品的質量和科技含量,多策並舉,搞活投入機制,建立公平合理的利益聯結機制,加強行業自律,提高企業經營管理水平等對策和建議。In this paper, the pce principle, method and technical achievement of traffic engineering in domestic and overseas from 1940 to 1993 are analyzed, compared and evaluated. moreover, the use condition and limitation of the studying achievement are elaborated. based on it, in view of the complexity of the vehicle kinds and mixed traffic in domestic highway traffic, the physics method on influence space of vehicle is put forward according to the achievement of studying the road capacity and the mass traffic observation data of 177 section of highway
本文首先對1940到1993年以來,國內外在交通工程研究中涉及到的車輛當量換算系數計算的原理、方法和技術成果進行了分析、比較和評價,闡述了這些研究結果的使用條件和局限性。在此基礎上,鑒於我國公路交通中車種多,車型復雜以及混合交通等的特點,通過對我們以前研究通行能力積累的成果和實地177個不同路段所採集到的大量交通觀測數據的分析和研究,利用數理統計和隨機場理論,提出了一種汽車道路作用空間的物理分析方法來研究車輛當量換算問題。The acceleration time process of road surface plainness is got by using two integral calculus of the acceleration time process which is measured by five - wheel equipments. this data is worked as the input of the road surface for theoretical calculation. the result of experiments mostly fits that of calculation, and then the multiple - acceleration power spectrum distribution of the artillery and tractor are acquired
在瀝青路面、破損鋪磚路和砂石路面上以不同速度進行了平穩隨機激勵牽引試驗,用五輪儀測量得到的加速度時間歷程進行兩次積分的方法得到路面不平度的時間歷程做為路面輸入進行對應的理論計算,試驗結果和計算結果基本相符,得到了火炮和牽引車多個加速度功率譜分佈。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,構成計數過程的隨機變量未必相互獨立,而在各種相依關系中,負相協( na )和正相協( 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列構成的更新計數過程的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過程在一般吸引場下的精緻漸近性,對更新計數過程的收斂速度及極限狀態進行精緻的刻畫;最後,在有關na列的研究中,蘇淳,趙林成和王岳寶( 1996 ) 》 [ 9 ] ,林正炎( 1997 ) [ 10 ]已經證明了強平穩na列的部分和過程的弱收斂性,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列的乘積和過程的弱收斂性,因為計數過程也是一種部分和,也可以構成乘積和,這個結果為研究計數過程的弱收斂性作了一些準備。The random analysis of structure under fatigue loading, the statistic finite element method ( sfem ) for fatigue reliability, random fatigue damage accumulation theory and fatigue reliability of structure system were studied in this paper with regard to the metal structure of engineering machine
本文以工程機械金屬結構為對象,探討了疲勞載荷下的隨機結構分析、隨機有限元計算構件疲勞可靠度的方法、隨機疲勞累積損傷理論、系統疲勞可靠性分析。主要工作有: 1Especially, we analyze the signals of the vsat system, including the network controlling signal and kinds of operation signals. we make use of serial communication to control demodulation terminials and use kinds of advanced technology such as multi - thread in windows 98 to improve the real - time performance
總體上看,在信號分析過程中,我採用的對于帶偽隨機交織的卷積碼的分析方法是有一定獨創性的,其間涉及了很多數學知識和通信原理。First, the backward kolmogorov equation for the conditional reliability function and the pontryagin equation for mean first - passage time and then - associated boundary and initial conditions are derived based on the stochastic averaging methods for quasi non - integrable, quasi integrable and quasi partially integrable hamiltonian systems, respectively
首先利用擬不可積、擬可積非共振及擬部分可積非共振hamilton系統的隨機平均法分別給出了研究該系統首次穿越問題的提法,包括計算條件可靠性函數的後向kolmogorov方程及計算平均首次穿越時間的pontryagin方程及其邊值條件。Chaper 4, we put forward the concept of the near - field speckles and study their properties by the numerical solution of the integral equation based on the green ' s theorem. we study the near - field speckles produced the by random self - affine fractal surfaces of dielectric medium. the speckle intensities evolve considerably in the near - field region and the local fluctuations in them disappear in the distance of a wavelength
在第四章中,我們提出了近場散斑的概念,並依據介質界面電磁波的格林積分摘要方程對自仿射分形隨機表面產生的散斑光場進行了數值計算模擬研究,發現近場散斑分形特徵與自仿射分形隨機表面的特性有關,且這種分形特徵在非近場區域消失。The random excitations are transformed into pseudo excitations expressed in the state equations before the resulting deterministic equations of motion are solved by the proposed precise time - integration scheme with augmented matrix and in unified form
先用虛擬激勵法將隨機荷載化為確定性荷載,然後把確定性荷載用狀態方程表示,進而構造出形式統一的增維精細時程積分格式。In this paper, we investigate comparison principle for semicontinuous viscosity solutions of fully nonlinear elliptic equation with nonlocal intergro - differential item. this kind of equation is from diffusion process with jumps and has important application in stochastic control and finance mathematics
本文研究一類帶有非局部積分項的完全非線性橢圓型方程粘性解的比較原理,這類方程源自帶跳躍的擴散過程,在隨機控制,金融數學中有廣泛而重要的應用。分享友人