隨機分佈點 的英文怎麼說
中文拼音 [suíjīfēnbùdiǎn]
隨機分佈點
英文
randomly distributed point- 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
- 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
- 點 : Ⅰ名詞1 (液體的小滴) drop (of liquid) 2 (細小的痕跡) spot; dot; speck 3 (漢字的筆畫「、」)...
- 隨機 : random stochasticrandom
-
In chapter3, we discuss the multiplicate progressive stresses accelerated life test. under the weibull distribution and an invers power law model we first present a necessary and sufficient condition for the existence and uniqueness of mle for the exponential distribution, then give estimators and confidence intervals of the parameters based on the blue. finally, we study them by using monte - carlo simulation
第三章首先指出了一組序進應力加速壽命試驗下weibull分佈分佈參數的mle不唯一,然後給出了p組序進應力加速壽命試驗下指數分佈的mle存在和唯一的一個充要條件,並用隨機模擬的方法研究比較了參數估計的優良性,最後給出了p組序進應力加速壽命試驗下weibull分佈中參數的點估計和區間估計,討論了有關問題,給出模擬實例。In this paper, two questions on exetreme value theory are investigated as follows : i. the asymptotic properties of the large quantile and endpoint of a distribution : let { xi } be an i. i. d random sequence with common distribution f ( x ) which is unknown. denote mn ( k ) as the k - th maxima of x1 … xn
本文對極值理論的兩個問題進行了探討:一、大分位數與尾端點的漸近性質設{ x _ i }是來自未知分佈f ( x )的i . i . d的隨機序列。In order to meet the needs of recent research in applied probability, such as finance and insurance, risk theory, random walk theory, queueing theory and branching processes and so on, the concepts of heavy - tailed random variables ( or heavy - tailed distributions ) are introduced. they are one of the important objects many scholars are concerned on. on the other hand, in a risk process, the number of these heavy - tailed variables " occurrence until the time t, i. e. all kinds of counting process, is one of the important objects, which many scholars are studying
在應用概率的許多領域,如金融保險、風險理論、隨機游動理論、排隊論、分支過程等,重尾隨機變量或重尾分佈都是重要的對象之一,另一方面,在一個風險過程中,到t時刻時,這些重尾變量出現的個數,即各種記數過程,也是人們研究的主要對象之一,本文主要對重尾分佈的控制關系與極值過程的跳時點過程的精緻漸近性進行深入的討論。We extend kleinberg s small - world model by allowing each node x to have two more random links to nodes chosen uniformly and randomly within manhattan distance from x
在此模型中,每個節點除了跟網格的local節點相連外,還跟long - range節點以d - harmonic隨機分佈方式相連。The waste load is regarded as a stochastic variable following the log - normal probability distribution based on statistical data, and the constrains on water quality levels are expressed in a probability form
假設排污量是服從對數正態分佈的隨機變量,並且以潮周期內水質達標的概率作為衡量控制點達標的依據。Because of the characters in the alum image : strong disturbances, low contrast and random arrangement of alum grain, in the designing of the system we sort the images collected from digital camera and get the corresponding control of adding alum through three steps : pre - operation, vein analysis and particle processing
通過分析得到礬花圖象的特點:干擾強烈、對比度低、礬花顆粒隨機分佈,在本系統的設計中,通過對數碼相機採集到的礬花圖象進行預處理、紋理分析以及粒狀統計三個步驟的處理,完成對礬花圖象的分類,以實現相應的加料控制。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機械上脈動壓力的五種分析方法:概率和隨機過程法;時空相關法;數據擬合法;根據實驗測點數據分佈假設法;流體力學方法。5 manku g s, bawa m, raghavan p. symphony : distributed hashing in a small world. in proc. the 4th usenix symposium on internet technologies and systems, seattle, washington, 2003, pp. 127 - 140
對于每個節點而言,新增的兩條邊以平均隨機分佈的方式連接到離該節點lg n 2 d曼哈頓距離范圍內的其它兩個節點。Aimed at the feature of great fluctuation of water flow - rate in rivers and taking the monthly average flow - rate at low water with 90 % guaranty in recent ten years as design flow - rate, the permissible amount of major pollutants discharged into yellow river by lanzhou namely the stochastic environment capacity of waters, was determined by using a stochastic computation mode on the basis of lognormal distribution theory
摘要針對河水流量變化大這一特點,採用以對數正態分佈理論為指導的隨機計算模式,以近十年90 %保證率最枯月平均流量為設計流量,確定黃河蘭州段主要污染物的容許排污量,即隨機水環境容量。The main contributions of the second part of this dissertation are focused on the cryptographic properties of logical functions over finite field, with the help of the properties of trace functions, and that of p - polynomials, as well as the permutation theory over finite field : the new definition of chrestenson linear spectrum is given and the relation between the new chrestenson linear spectrum and the chrestenson cyclic spectrum is presented, followed by the inverse formula of logical function over finite field ; the distribution for linear structures of the logical functions over finite field is discussed and the complete construction of logical functions taking on all vectors as linear structures is suggested, which leads to the conception of the extended affine functions over finite field, whose cryptographic properties is similar to that of the affine functions over field gf ( 2 ) and prime field fp ; the relationship between the degeneration of logical functions and the linear structures, the degeneration of logical functions and the support of chrestenson spectrum, as well as the relation between the nonlinearity and the linear structures are discussed ; using the relation of the logical functions over finite field and the vector logical functions over its prime field, we reveal the relationship between the perfect nonlinear functions over finite field and the vector generalized bent functions over its prime field ; the existence or not of the perfect nonlinear functions with any variables over any finite fields is offered, and some methods are proposed to construct the perfect nonlinear functions by using the balanced p - polynomials over finite field
重新定義了有限域上邏輯函數的chrestenson線性譜,考察了新定義的chrestenson線性譜和原來的chrestenson循環譜的關系,並利用一組對偶基給出了有限域上邏輯函數的反演公式;給出了有限域上隨機變量聯合分佈的分解式,並利用隨機變量聯合分佈的分解式對有限域上邏輯函數的密碼性質進行了研究;給出了有限域上邏輯函數與相應素域上向量邏輯函數的關系,探討了它們之間密碼性質的聯系,如平衡性,相關免疫性,擴散性,線性結構以及非線性度等;討論了有限域上邏輯函數各類線性結構之間的關系,並給出了任意點都是線性結構的邏輯函數的全部構造,由此引出了有限域上的「泛仿射函數」的概念;考察了有限域上邏輯函數的退化性與線性結構的關系、退化性與chrestenson譜支集的關系;給出了有限域邏輯函數非線性度的定義,利用有限域上邏輯函數的非線性度與相應素域上向量邏輯函數非線性度的關系,考察了有限域上邏輯函數的非線性度與線性結構的關系;利用有限域上邏輯函數與相信息工程大學博士學位論文應素域上向量邏輯函數的關系,揭示了有限域上的廣義bent函數與相應素域上的廣義bent函數的關系,以及有限域上的完全非線性函數與相應素域上向量廣義bent函數之間的關系;給出了任意有限域上任意。Based on the date of full - scale measurements, modeling wind tunnel tests and theoretical researches of the wind loads on low - rise buildings available, involved the date of the wind tunnel test and computational numerical simulation fulfilled in this paper, the effects of wind loads on low - rise buildings have been studied systematicaly and extensively. it reveled properly the principle of the changes of the surface mean pressures, local pressures, and fluctuating pressures with the building geometry, roof type and slope, wind direction, eave configuration, cladding system, and dominate openings
本文根據國內外有關低層房屋風荷載的全尺寸實測、模型風洞試驗及其理論方面的研究,包括本文進行的低層房屋屋面風壓分佈的風洞模型試驗和計算機數值模擬計算,對低層房屋的風荷載特性進行了系統而深入的研究,較好地揭示了低層房屋表面的平均風壓、局部風壓和壓力的波動隨房屋的幾何尺寸、屋面形式、屋面坡度、風向角、檐口構造、覆面材料和門窗開洞而變化的特點和規律。Microsatellite dna is among the most efficient class of molecular markers due to their hyper - variable and co - dominant nature with relatively high abundance and random distribution in the genome, and have been applied to a variety of fields including population differentiation, kinship analysis, linkage analysis, and evolutional and ecological studies
摘要微衛星dna由於具有高度多態性、共顯性遺傳、基因組中含量豐富且隨機分佈等特點,目前已成為最有效的分子標記之一,並應用於種群分化研究、血緣分析、基因連鎖分析、進化以及生態學研究等許多領域。In this paper i calculate the reasonable possession quantity of port handling machineries with chance - constrained linear programming. first in the paper is the background and meaning of this research ; then analysis present situation of port machinery management both in practice and theory ; in chapter 3, i qualitatively discusses characters influencing machinery quantity, which include lifting ton, intact rate and using rate, age of machinery, machinery purchase and working cost and so on. in chapter 4, i take the influencing characters to mathematic model of chance - constrained linear programming, aiming to maintain the need of production and reduce machinery cost
文章首先介紹了選題的背景、意義以及主要工作;第2章介紹了港口機械管理在港口企業管理中的地位與作用,以及我國港口機械設備管理與配置現狀,並簡要介紹目前港機合理擁有量的理論研究方法;第3章從技術與經濟角度定性分析了各種因素對港機擁有量的影響,其中主要包括機械起運量、完好率與利用率、機械設備役齡、購置與營運成本等;第4章將各種影響因素引入模犁,提出以完成生產任務、機械成本最低為目標,應用隨機線性規劃模型計算港口流動機械合理擁有量的方法;第5章以大連港大港區為例對模型進行應用,選擇四種型號叉車為研究對象,對其歷史經濟與技術數據進行統計分析,其中重點對隨機變量單位臺時維修費用進行了正態分佈擬合。In the thesis, we proposed a random lattice model of mea the lattice model randomly occupied by three kinds of particles, pt / c, nafion and ptfe ( poly - tetra - fluoro - ethylene ), was generated on a computer by the means of monte carlo method. it was supposed that current was only produced on those catalysts which have not only channels of electrons via carbon but also have channels of proton via nafion. the purpose of the work, in a word, is to find how many catalysts, pt / c, with such a two - types channels
本文首先建立了質子交換膜燃料電池的膜電極的隨機方格子模型,在電極模型各格點位置用montecarlo方法生成隨機分佈的電極粒子、 nafion粒子和聚四氟乙烯團粒,認為只有那些既有質子傳輸通道,又有連續的電子通道和氣體擴散通道的胞元才產生有效的電流,而其餘胞元不產生電流,把電極的輸出電流轉化成一個概率事件。Define a random route, which pass through all the grid node, on the condition of given n conditional datum, get a value on the first grid node from the conditional distribution of stochastic variable, add the new value into the conditional datum as a new conditional data. on the condition of current n + 1 conditional datum, get a new value from conditional distribution of stochastic variable on the next node again. then continue until all the nodes gets own value
定義一個經過所有網格節點的隨機路徑,在給定n個條件數據的情況下,在第一個網格節點處從隨機變量的條件分佈中抽取一個值,將這個新值加入到條件數據集中,在給定的n + 1個條件數據的情況下,在節點處從隨機變量的條件分佈中抽取一個值,重新進行,直到所有節點被模擬完為止。We find the points are by no means distributed at random, but instead form definite sequences.
我們將會看到,這些點子決非隨機分佈,而是形成確定的星序。Firstly, the paper introduces the development and application of computer graphics & image technique, discusses the principle and method of cg and digital image processing, such as matrix of the graphic transformation, homogeneous reference frame, sampling and quantization of the image, file format of the image, template operation, etc. secondly the paper introduces the purpose and method of image enhancement processing, explains the each occasion of those methods such as threshold transformation, smoothing processing, sharpening processing, analyzes and contrasts the processing results of object image. thirdly, the paper introduces the method of mathematics morphologic, edge detection and thinning processing, attains character description of image and character dots of the contour. fourthly, the paper processes the coordinate transformation to character dots and basic splines fitting, imports correlative condition to devise meshing line and meshing track
本文首先介紹了計算機圖形圖像技術的發展與應用情況,對計算機圖形學和數字圖像處理的一些基本理論和方法如圖形變換矩陣、齊次坐標系、圖像采樣和量化、圖像文件格式、模板操作等內容進行了討論:然後對圖像增強處理的目的和方法進行了介紹,對諸如閥值變換、平滑處理、銳化處理等方法的應用場合進行了說明,並對實物圖像的處理結果進行了分析與比較;接下來介紹了數學形態學方法、對增強后的圖像進行邊緣檢測的方法和圖像的特徵描述方法,並獲取輪廓的特徵點:隨后對獲取的特徵點進行坐標變換,並進行b樣條曲線擬合,引入相關條件生成齒輪副的嚙合線及嚙合軌跡:最後引入等值線和區域填充表示方法,並以等值線和區域填充的形式對弧齒錐齒輪嚙合模擬的載荷分佈情況進行了直觀的表示。The distribution for function of variables is an important but difficult to be mastered course
摘要隨機變量函數的分佈是數學系概率統計課程教學中的一個重點和難點。In this paper, various previous brdf models, which include empirical models, geometrical optics models and theory models, are summarized and their merits and demerits are analysed. both shadowing function and facet distribution function as statistical characters of rough surface are discussed besides simpled fresnel reflectance function
本文首先總結了前人提出的各種目標表面brdf模型? ?經驗模型、幾何光學模型、理論模型等,分析了這些模型的優缺點,論述了隨機粗糙表面幾何光學統計特性? ?遮蔽函數、小面元分佈函數,簡化了菲涅爾反射函數。In the pim, the problem domain is represented by properly scattered points. the displacement at a point is interpolated by the displacements in the influence domain of this point
在該方法中,問題域上離散一系列隨機分佈的節點,一點的位移值由該點影響域內的節點插值得到。分享友人