離散隨機過程 的英文怎麼說
中文拼音 [lísǎnsuíjīguòchéng]
離散隨機過程
英文
discrete process- 離 : Ⅰ動詞1 (離開) leave; part from; be away from; separate 2 (背離) go against 3 (缺少) dispens...
- 散 : 散動詞1. (由聚集而分離) break up; disperse 2. (散布) distribute; disseminate; give out 3. (排除) dispel; let out
- 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
- 過 : 過Ⅰ動詞[口語] (超越) go beyond the limit; undue; excessiveⅡ名詞(姓氏) a surname
- 程 : 名詞1 (規章; 法式) rule; regulation 2 (進度; 程序) order; procedure 3 (路途; 一段路) journe...
- 離散 : dispersed; scattered about; separated from one another; spread; debunching; straggling; fringing;...
- 隨機 : random stochasticrandom
- 過程 : process; procedure; transversion; plication; course
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This process of separation and spreading out of particles by random walks is known as diffusion.
粒子通過隨機運動離散開去的這種過程就叫打散。Aimed at multiple - limit, multiple - object, non - linear, discrete of voltage / var optimization and control, on account of whole evolution of evolutionary programming, no demand for differentiability of optimal function, and random search, it can obtain global optimum with mayor probability, this paper solve optimal function with evolutionary programming
在對優化的具體實現過程中,由於進化規劃著眼于整個整體的進化,對于所求解的優化問題無可微性要求,採用隨機搜索技術,能以較大的概率求解全局最優解的特點,針對電壓無功控制模型是一個多限制、多目標、非線性、離散的優化控制問題,因此應用進化規劃演算法進行模型的求解。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,探討了車輛到達過程和離開過程的運行特性,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;運用隨機過程理論和計算機模擬的方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方法改進了車輛延誤模型。Originally, voice applications meant dealing with your bank or credit card company over the telephone by responding to commands, such as " please press or say one. " these interactive voice response systems evolved over time from one word or discrete digit recognition systems to allow a few basic commands, such as " please say, operator " or " call mom. " you also might think of a voice application, such as ibm viavoice, which is a general - purpose computer dictation system
起初,語音應用程序主要是用來通過響應「請按一或說一」之類的命令通過電話與銀行或信用卡公司進行交互。隨著時間的推移,這些互動式語音應答( interactive voice response , ivr )系統已經從一個詞或離散的數字識別系統發展為允許幾個基本的命令,比如「請說操作員」或「打電話給媽媽」 。您可能還會想到一個語音應用程序,比如ibm viavoice ,它是一個通用的計算機聽寫系統( computer dictation system ) 。According to the geological data which was gained by exploration investigation, establishing a geological model which can reflect rock mass characteristics ; with analyzing the internal and exterior factors synthetically, the deformation and possible failure mechanism and mode of the cut slopes was confirmed which combines with stereoic projection and other techniques ; the stabilities of the 14 high slopes are estimated synthetically by applicable design codes and guidelines. with the estimate result and some other analysis methods, the rock mass mechanical parameters of slope are identified ; as a results, 14 high slopes fall into 4 categories based on rockmass characteristics and discontinuities. the stability and deformation of some typical slopes was analyzed with distinct element method by udec ; the safety factor of some dangerous slopes are calculated by rigid limiting equilibrium method for comparison
首先著重研究影響邊坡穩定性的內在因素,主要是通過地質勘探、測量、現場觀測等手段取得研究區地質體的基礎地質資料,建立起能夠反映地質體結構特徵的地質模型;隨后綜合分析潛在的內外部影響因素,並結合赤平投影對邊坡可能的失穩模式或破壞機製作出判斷;運用已有巖體質量分類方法對沿線14個高陡邊坡穩定性進行初步的評價,並結合試驗研究、經驗判斷、工程類比等手段確定了坡體的巖體力學參數;根據穩定性初步評價結果將研究區14個高陡邊坡按開挖方式分為4大類,並利用離散元程序udec對各類典型高陡邊坡進行了穩定性計算分析;對潛在危險邊坡利用剛體極限平衡法求出了不同工況下的安全系數。It is proved that the investment decision - making process which is described by general backward stochastic differential equations ( bsdes ) can be approached by discrete investment
摘要證明了一般的倒向隨機微分方程所描述的投資決策過程可用離散的投資決策過程進行逼近,並給出了逼近誤差的估計。There is difference frequency measurement requirement for every part of pid regulating, difference between dynamic quality and static quality in response time and accuracy. according to these, it use the interrupt functions and high - speed counter of the simens s7 - 200 plc cpu226 basic unit and some peripheral circuit to measure frequency ; in software designed, the procedure frame of hydraulic - turbine governor and disperse process of parallel pid are analyzed, an improved pid algorithm is adopted to realize a pid regulation mode with variable structure and parameters ; the mechanical liquid - pressure system of the hydraulic - turbine governor is with electric - hydraulic converter unit of step motor. according to the drive character of five phase of response step motor, a variable frequency regulated voltage driver unit is designed in order to realize interface between plc and driver of step motor
本文利用s7 - 200plc自身的特點設計了頻率測量單元,根據pid調節各個環節的特點,以及調速器動態特性、靜態特性對頻率測量的實時性和精度要求的不同,利用s7 - 200plc基本單元中內置的高速計數器以及相應的外圍放大整形、分頻電路,實現了水輪發電機組頻率的測量;在軟體上,對微機調速器的整個程序框架、並聯pid的離散化過程進行了分析,選用改進的pid演算法實現了變參數、變結構的pid調節模式;調速器的機械液壓隨動系統具有步進電機電液轉換元件,採用五相反應式步進電機,根據其驅動特性設計了變頻調壓驅動器,實現plc與步進電機驅動器之間數字介面。This text aims to establish mathematics model, everyday randomicity variable to be set up by the discrete transformation method, to set up the simulation parameter form and the moleling and covariance form, draw the procedure flow chart to proceed simulative newspaper calculator problem
摘要通過建立數學模型、運用離散反變換法產生每天賣報數隨機變量、建立模擬參量表和建模及統計變量表、畫出程序流程圖等步驟對報童問題進行模擬。The mainly objective includes two parts : one is to develop the mathematical m odel t o study t he flow m echanism o f 1 iquid i n t he b ed of tbr, and the other is to study the technology and device to distribute the liquid uniformly. in the first part, some theoretical models were established to simulate the distribution of flow rate of liquid, such as discrete model, differential calculus model and stochastic model. but these models are difficult to calculate or ca n ' t lead to good results
在理論模型方面,前人提出了離散模型、微分模型和隨機模型等來模擬液體的徑向和軸向流率分佈,但仍然存在許多問題,往往計算工作量大且常偏離實際情況,本文作者在導師的指導下,參照前人的研究成果,在滴流床的流率分佈中採用了狀態離散、時間離散的markov過程描述了滴流床的流率分佈,結果與實驗值吻合較好。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分佈,建立了滴流床在滴流區流率分佈的隨機模型,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隨機堆積顆粒的統計特性確定,以參數s修正。This part mainly discusses the statistical distribution of the price and the returns rate, including random process and the returns rate model, gaussian process, measuring returns rate with discrete random process, white noise process, auto regression process, moving average process, auto regression moving average process, random walk, continuous random process, leptokurtic distribution, conditional mixed distribution, garch model and fractal distribution
在這一部分中,我們主要討論價格和收益率的統計分佈:隨機過程和收益率模型、高斯過程、收益率計量中的離散隨機過程、白噪聲過程、自回歸過程、移動平均過程、自回歸移動平均過程、隨機行走、連續隨機過程、尖峰分佈、條件混合分佈、 garch模型以及分形分佈。Discrete particle models can be classified into deterministic method and stochastic method in accounting for the particle collisions
在離散顆粒模型中,根據對顆粒間碰撞過程的處理方法的不同可分為確定性模型和隨機性模型。Stochastic subspace identification method is the major in this article, and this method is based on the theory of projection of row space, and also uses qr decomposition, svd decomposition as well as least squares estimate to state space matrices of the discrete system so as to achieve the parameters of the dynamic behavior and it can achieve an accurate result
隨機子空間法是本文的論述重點,它運用了行空間投影的理論,通過qr分解和svd分解以及最小二乘估計來識別離散后的系統狀態空間矩陣,從而得到系統的動力學特性參數,識別精度較高。本文詳細的推導了隨機子空間法的理論公式,並編寫出相應的matlab程序。Because of intrinsic randomicity of discrete event system, every operation of simulation is one course of sampling. in addition, the random variables are produced by using the false random number generators, self - dependence is relatively serious. so, the statistical analysis of the simulation result is necessary
由於離散系統本身固有的隨機性,每一次模擬的運行都是一次采樣過程,加之隨機變量是使用偽隨機數產生的,自相關性較強,因此,還對模擬結果進行了統計分析。The class of systems is a hybrid class of systems with two components in the vector state. the first component refers to the mode and the second one to the state. the mode is described by a continuous markov process with finite state space
這類系統是一類混合系統,由兩部分構成,第一部分是系統的模式,第二部分是系統的狀態,模式可以用連續時間離散狀態的markov過程來描述,在每一個模式中,狀態可由一個隨機微分方程表示。Discrete stochastic process
離散隨機過程Then, against the existing problems in many macroscopic models and deterministic simulations, this thesis selects the idea of microscopic simulation to simulate discrete and stochastic traffic procedure
然後針對以往較多的宏觀模型和確定性模擬存在的問題,選用微觀模擬的思想來模擬離散隨機的交通過程。Considering modem manufacturing logistics system is characteristic of discreteness and randomicity as well as complicated simulation model, fss second development system is used to perform modeling and man - machine interactive simulating of automated storage and retrieval system through system simulation model parameters processing and real - time interactive control
摘要針對現代生產物流系統具有離散性、隨機性的特點,以及系統模擬模型場景復雜的問題,利用系統模擬模型參數的處理及實時交互控制的實現手段,以及虛擬現實支撐軟體fss的二次開發系統實現了參數化的自動化立體倉庫系統建模和人機交互控制的模擬過程。They can be used to assess or predict the reliability of corroded and cracked r. c. structures in marine environment. the stochastic model for assessment of chloride concentration in concrete is built by analyzing the stochastic process of chloride diffusion in concrete and taking account of the time variation of the diffusion coefficient
通過分析氯離子在混凝土中擴散的隨機過程,把擴散系數作為隨時間變化的函數,將混凝土表面氯離子濃度、保護層厚度作為隨機變量,建立了預測混凝土保護層中氯離子濃度分佈的隨機模型,推導出了氯離子濃度的均值和方差。Two kinds of risk measures are considered, volatility and value at risk ( var ). some methods based on our local polynomial estimator and some other recent work to calculate the volatility based on discrete observations are given. a time dependent value at risk ( tvar ) based on stochastic processes is defined
我們主要考慮金融風險度量的兩種方法,一是波動率,我們給出了一些基於離散觀察的波動率的計算方法;二是在險值( var ) ,我們定義了一種基於隨機過程的在險值,稱為時變在險值分享友人