隨機積分 的英文怎麼說

中文拼音 [suífēn]
隨機積分 英文
stochastic integral
  • : 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
  • 隨機 : random stochasticrandom
  • 積分 : 1. [數學] integral; integrate; integration 2. [體育] (積累的分數) accumulate points
  1. 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微相建模的基本原理、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,包括井眼沉微相解釋、測井約束地震反演、波阻抗與地質相的概率關系析、模擬方法選擇、地質統計特徵析、三維建模、模擬預測的多解性評價。
  2. By end of 1998, the nominal value of derivatives transactions had happened in the official exchange within 5 years increased from 7. 7 trillion u. s. dollars to 13. 5 trillion u. s. dollars, meanwhile, the nominal value of derivative securities ( otc ) increased from 8. 7 trillion u. s. dollars to 51 trillion u. s. dollars, then, the nominal value of unliquidated derivatives was total about 64 trillion u. s. dollars, and the academic field also emerged frontier science borrowing for the financial science, physics financial science, financial engineering, etc. 1973, black and scholes put forward the differential equation that any derivative securities prices based on any non - dividend paying stock must be satisfied, that is black - scholes differential equation

    Jamshidian . f在其1989年的文章中推導出零息債券的期權價格。奧托同樣在其1998年的論文中用統計物理學中的路徑方法推導出了基於零息債券為基礎的期權定價模型。本文在這些學者研究成果的基礎上,進行了更深層次的研究,在vasicek模型的基礎上,打破上述學者及著名的black - scholes期權定價模型只能求解證券及其衍生產品價格平均值的限制,對零息債券和基於零息債券的期權的價格求解,並推導證券瞬時價格的佈函數。
  3. The convergence of integrals of s. i. s. vector random measures with respect to a white noise

    向量測度關于白噪聲的的收斂性
  4. Based on historic radiosonde data of changchun city, jilin province and xian city. shanxi province and on the typical model of profiles of cloud liquid water content for stratiformis, the coefficients of retrieval equation are obtained as the functions of height for each month from april to july in the two cities. furthermore, we explore the internal physics signification of retrieval coefficients ' distributing according to every month and have comparisons between the two cities. then the numerical simulation tests of the accuracy of retrieval results are given : the statistical relative deviation of retrieved values of l to the simulated " trues " on the ground is 15 - 25 % and that at altitude of 6km is 5 - 10 %, that means the retrieval method and implementation of the method are applicable to processing measurements of an airborne radiometer made in china recently

    本文介紹載對空微波輻射計探測雲中路徑液態水含量( l )的輻射傳輸原理和反演方法;根據吉林省長春市和陜西省西安市的歷史探空資料和典型的層狀雲液水垂直佈模式,得到這兩個地區4 - 7月各月的高度而變的反演公式及其系數的表達式;探索了和反演系數有關系的大氣的影響,並在各個月份之間進行了比較析;給出了反演誤差的數值模擬檢驗結果:在地面反演值對『真值』的統計相對偏差是15 - 25 ,在6公里高度處為5 - 10 ,表明該方法已具有實用可接受的精度。
  5. Nonlinear viewpoints on development of science is depended on that the science is the partial system of society system, and it not only has the nonlinear interaction which is the source and motive force of development, but also has strange attractor which lead to order in the disorder, that is science problem and science theory, matthew effect and priority. the development of science also possesses sensitive dependence to the primary condition. it will flux and reflux suffered from the influence of various random factors inside and outside of system

    科學發展的非線性觀立足點就在於科學是社會系統的系統,它不僅有非線性相互作用,這構成了發展的源泉和動力,更有導致無序中產生有序的奇異吸引子(科學問題與科學理論, 「馬太效應」與「優先權」 ) ,在發展過程中對初始條件也具有敏感依賴性,並受到系統內部、外部的各種因素的影響而產生漲落,在常規發展時期表現為科學的漸變,也就是量的累,當漲落放大時就表現為科學革命,即質的改變。
  6. 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佈採取不同方法,若樣本均勻佈,則預置,否則利用遺傳演算法的原理和消減措施來預置地址矩陣,使之反映樣本的佈,改善網路的性能。
  7. Once you ve chosen your destination and desired airlines, simply call the platinum travel service to book your air tickets. you can choose to pay off your full air ticket price with points or with combination of points and charge on your platinum card. every 200 membership rewards points will earn you hk 1 off the ticket price

    只因您可意以會員換購任何自選的航空公司票,且無限制出發日期,讓您時起行,當您已選走目的地及航空公司后,請即致電白金卡會員專線預訂票,每200美國運通可讓您節省港幣1元,您可選擇以全數換購票或扣取后以白金卡支付差額。
  8. Then based on kirchhoff approximation theory, the formula of the coherent and incoherent scattering intensity of plane wave from two dimensional dielectric normally distributed rough surface are derived, and the scattering intensity of a planar, rough surface of unit area

    然後從粗糙面散射kirchhoff標量近似理論出發,得到了平面波對高斯佈的二維粗糙面的相干散射和非相干散射強度表達式,並給出了單位面粗糙面非相干散射的表達式。
  9. The feature of the sedimentary succession of the epicontinental sea basin in the study area was analyzed by means of the stochastic math model, markov chain

    摘要運用馬爾柯夫鏈性數學模型對研究區陸表海盆地沉序列特性進行了析研究。
  10. The probability of normal r. v. with absolute value less then and equal to one, two, and three unit standard deviations are calculated from error function, the cumulate probability distribution of normal density

    常態變數絕對值小於等於一個、兩個、三個標準差之別代入累佈函數(誤差函數)算出其對應之率。
  11. It is has been known that the energy spectra statistic of a chaotic system agrees with wigner distribution which is achieved from random matrix theory and the one of a integrable system is poisson distribution achieved originally from the irregular spectra

    一個經典混沌系統的量子能譜統計佈滿足由矩陣理論所導出的winger佈,而可系統滿足無規能譜的統計佈即泊松佈。
  12. The clues and techniques to improve the resolution of data processing are 1 ) removing the affection of near surface factors on data acquisition, including static correction and noise eliminating technique etc, 2 ) broadening the frequency band of pre - stack seismic data, including amplitude compensation and pre - stack deconvolution etc, 3 ) improving s / n ratio of high frequency and weak reflection signals through multiple coverage with high precision velocity analysis, residual static correction and high - order nmo, raising " dead line of high frequency reflection ", and 4 ) identifying post stack effective reflection frequency band, enhancing dominant frequency and so on

    主要包括:消除近地表因素對資料採集的影響,包括靜校正和噪音壓制技術等;疊前拓寬地震資料領帶,包括振幅補償和疊前反褶技術等;藉助高精度速度析、剩餘靜校正和高次項nmo技術,通過多次覆蓋疊加,消除資料中噪聲干擾、提高資料信噪比,尤其是高頻端反射信息的信噪比,改善高頻反射和弱反射信號信噪比,提高「高頻反射死亡線」 ;疊後有限反射頗帶識別、抬高優勢頻率等。
  13. The pt secondary loop voltage drop is a changing amount and has the characteristics of indirection and certain randomness. the second, according to the cause of pt secondary loop voltage drop, the different methods to reduce the pt secondary loop voltage drop were analyzed and the conclusions are draw as below : 1. changing bigger section wire and maintaining the connector plugs regularly can reduce the pt secondary loop voltage drop effectively, but ca n ' t guarantee which meets the relevant rules

    首先,通過對電壓互感器二次壓降的形成理進行析,得出以下關於二次壓降的相關結論: 1 、電壓互感器二次壓降等於二次迴路阻抗和迴路電流的乘; 2 、電壓互感器二次迴路阻抗為元器件自身阻抗和接觸阻抗兩部,且接觸阻抗佔主要部,從而使得電壓互感器二次迴路阻抗具有動態特性,而且具有一定的性; 3 、電壓互感器二次迴路電流與二次負荷和迴路阻抗大小相關,因而二次迴路電流也是變化的; 4 、電壓互感器二次壓降是一個變化量,且具有單向性和一定的性。
  14. 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,這里尺子的最小辨能力是由雙斜率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
  15. 2. considered the material intensity, girder area, panel thickness and loads as stochastic variables, taylor expansion sfem is adopted to analyze the influence of stochastic variables to the nodal displacement, and the different effects of the different variables to the same nodal displacement are compared. 3

    以船舶結構中的材料的強度、梁元截面、板元厚度和外載荷為變量,採用taylor展開的有限元,析了變量對船舶結構的節點位移的定量的影響,同時還比較了不同的變量對同一節點位移的不同影響。
  16. 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佈的研究,以狀態離散、時間離散的齊次markov過程描述了滴流床在滴流區的流率佈,建立了滴流床在滴流區流率佈的模型,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佈及平衡流率佈; 2 、液體流動的概率轉移矩陣可由顆粒的統計特性確定,以參數s修正。
  17. 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,用等效線性化方法將二階非線性微方程組化成一階線性微方程組(或稱之為狀態方程) ;再考慮材料等參數的性,則狀態方程成為復合方程組,將擴階系統方法和虛擬激勵方法推廣並應用於這個復合方程組,求出結構的響應量的統計參數;最後採用損傷破壞準則,在廣義空間內,用jc演算法求解失效概率,進而求出結構的抗震可靠度。
  18. 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方程,推導得到著名的非線性feynman - - kac公式,並且將相應的倒向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。
  19. The mutual excitation between the local stimuli satisfying the rules of curve distribution ( position and orientation continuity ) called curve self - excitation is a useful method to discover and enhance curves and to inhibit noise. the present approaches used parallel connection structure division which did not acquire satifactory effect. this paper presents the idea of random time division and dynamic self - excitation, for different curves performing random time - division searches, time coincidence filtering, and self excitation accumulation. the principle is given

    利用空間佈滿足曲線規則(位置和定向連續性)的局部刺激之間的相互激勵,稱為曲線自激,這是發現視覺邊界曲線和抑制局部噪聲的有效手段.過去的工作均採用并行結構區的計算方式,曲線自激並沒有達到滿意的效果.本文提出動態自激的計算方案,對不同的曲線實施的搜索、時間一致性濾波、和自激累等制.本文給出了實現的原理方案
  20. The properties and convergence theorems of hvb stochastic integral

    隨機積分的性質及收斂定理
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