最可幾分佈 的英文怎麼說
中文拼音 [zuìkějīfēnbù]
最可幾分佈
英文
most probable distribution-
As we know, inverse techniques make blade ' s profile well compatible with its surface velocity distribution, however, they give designers big challenges that the ideal velocity distribution is hard to obtained and sometimes the non - physical solution, such as double covering of flow field or unclosed profiles, would come out. the proposed design procedure in the paper has avoided the disadvantage mentioned above. in this paper, a quasi - irrotational equation is used to describe the flow in cascade instead of the generally used irrotational equation
眾所周知，一般的反問題和混合問題的最大特點，是在給定的壓力面和吸力面上的壓力分佈或速度分佈條件下，直接得到葉片的幾何形狀，它可以使葉型型面與表面氣流參數有機結起來；其不足之處在於，對設計者而言，很難給定理想的葉片表面壓力分佈或速度分佈，並且有時會得到一個非物理解，如：得出的初始葉型可能會出現前緣、尾緣不封閉的現象。The asteroids are the most important small bodies in the solarsystem, and they mainly lies in the two locations - a main belt between the mars ' s orbit and the jupiter ' s and the near - earth space. the most feature of the orbits of near - earth asteroids ( neas ) is that the semi - major axes of the orbits are nearly equal to that of the earth or the perihelia distances are approximate to or even less than the mean distance between the sun and the earth, thus they could move into inside of the earth ' s orbit, so that they might close approach or even colliside with the earth ( or other planets, such as the venus, the mars, etc. ). the characteristic brings about some difficulties in the numerical research during their orbital evolution, which leads to the failure of the normalization technique in the general removal impact singularities of celestial mechanics methods and the symplectic algorithm which is successfully applied to the investigation in quality. by comparing the computation effects of several common numerical methods ( including symplectic algorithm ), and considering the nature of the movement of the small bodies, the corresponding treatments are provided here to improve the reliability of the computation
小行星是太陽系最重要的一類小天體，主要分佈在兩個區域；火星和木星軌道之間的一條主帶和近地空間.近地小行星軌道的最大特點是其軌道半長徑與地球軌道半長徑相近，或近日距離接近甚至小於日地平均距離，其運動可深入到地球軌道的內部，這將導致該類小行星與地球（還有金星、火星等）十分靠近甚至發生碰撞.這一特徵給其軌道演化數值研究帶來一些困難，包括天體力學方法中一般消除碰撞奇點的正規化處理以及對定性研究十分成功的辛演算法都將在不同程度上失效.通過對幾種常用數值方法（包括辛演算法）計算效果的比較，根據小天體運動自身的特性，給出了相應處理措施，從而可提高計算結果的可靠性The hydrometeors distribution in mcc illustrat that the precipitable ice is dominant which fills in the cloud cluster in almost entire troposphere with maximum cores at the mid - levels. rain water and cloud liquid water are in the middle and lower troposphere, and cloud ice water only scatters at the 8 - 18km upper levels
水凝物垂直分佈顯示， mcc中可降水冰含量最大，分佈在幾乎整個對流層，雨水和雲水主要分佈在的對流層中、低層，而雲冰則分佈於高層大氣中。Though the water levels cross one section are almost equal, the velocities differ greatly. at the some cross - section, the velocity in the in the quirk may be double as that on the floodplain. the water surface will rise hi the southern branch because of the improper diffluence ratio, if using the designed diffluence col
淮河入海水道河口段水位值橫向分佈相差無幾，而流速的橫向變化較大，泓灘平均流速差最大可達一倍以上，在現有的分流口設計條件下，若按設計的南北汊分流比，南分流口有壅水現象發生，如果南汊分流增大到800m ~ 3 / s左右時，則水流較為通暢。The paper has improved the existing lifting - line and lifting - surface design method by including the rake and skew and solving the optimum circulation distribution with the optimum theory. the blade geometry is expressed with b - spline for the lift - surface method. the boundary condition on the blade is transformed to minimize the summation of the square of normal velocities, the fair blade geometry can be obtained by present technique and the design quality is better
改進了現有的升力線和升力面設計方法，在升力線設計中計及槳葉的縱傾和側斜的影響，用優化理論求解最佳環量分佈，升力面設計中用b樣條來擬合槳葉，將物面邊界條件轉化為求法向速度分量的平方最小，由此可得到光順的槳葉幾何形狀，提高和改進了設計質量。Whereafter, based on the analysis on the flood influence for traffic lines, the research is centered on the following parts : firstly, the destroying modes, reasons and mechanism of flooded lines are discussed, and the frameworks and countermeasures of preventing and controlling hazards system are put forward ; secondly, the ways of region forecasting for the landslide are analyzed and the automation of landslide forecast for certain site through visual programming is realized. furthermore, the function of dynamic segmentation in arc view is made use of to realize the forecast result ' s visualization ; thirdly, the reasons and patterns of roadbed subsidence are discussed and the methods of forecasting subsidence based on the gm ( 1, 1 ) model are put forward. then the applications of the arcview software and its extended module on the study of roadbed subsidence are debates upon ; fourthly, an analysis on the sources of flood for traffic lines, which situate in the reservoir coverage area, is given
接著，論文探討了山區交通線路災害的特點、分類、時間和空間分佈規律以及災害的防治原則和對策等；然後，以洪水災害對交通線路的毀壞為主線，重點研究和分析了以下幾個問題：第一，探討了洪水對交通線路的破壞方式，水毀原因以及水毀機理，並提出了交通線路水毀防禦系統框架和對策；第二，分析了雨季邊坡塌方災害的區段預測方法；通過可視化編程，編制了雨季邊坡塌方災害的工點預報程序，並結合arcview實現了預測結果的可視化；第三，對路基沉陷原因和模式進行了分析，並提出利用gm （ 1 ， 1 ）模型對路基沉陷區進行分析和預測，最後論述了arcview軟體及其擴展模塊在沉陷區研究分析中的應用；第四，對汛期庫區線路災害的原因進行了分析，並探討了利用數量化理論對路基防護工程抗洪能力進行預測的意義；第五，提出從風險的角度對交通線路的防災減災進行管理，對風險估計的相關問題進行了論述，並探討了交通線路水害危險區段的劃分問題。Its applications include in the fields of information engineering, electronics industry, theory of controls and economic, etc. for example, we use geometric distribution to describe the life distribution of runs of a species in transect surveys of plant populations and inventory demand distributions. in the theory of reliability, geometric distribution is one of the most important discrete probability distributions because of its loss of memory
在可靠性理論中，由於幾何分佈的無記憶性，使得其是離散型壽命分佈中最為重要的壽命分佈之一，其相當于指數分佈在連續型壽命分佈中的地位，這正如程侃研究員在文獻[ 5 ]中所指出的「在離散壽命的情形，幾何分佈起著連續情形下指數分佈所起的作用」一樣。In this dissertation, we first state briefly the developmental history, the present condition of queueing theory, the markovization of queueing system and the research situation for several types of ergodicity, and induce the preliminary knowledge of markov processes and markov skeleton processes, and then the dissertation discusses mainly focus on several problems which exist in researching gi / g / l queueing system, which are categoried as follows : ( i ) non - equilibrium theory for gi / g / 1 queueing system ( l ) we present the equation which satisfies the transient distribution of l ( t ) for the three special cases m / m / 1, gi / m / 1 and m / g / 1 queue of gi / g / 1 queueing system, and proves that the length l ( t ) of gi / g / 1 queueing system satisfy three types of equation, and their minimal nonnegative solution are unique bounded solutions
歸納了馬爾可夫過程和馬爾可夫骨架過程的有關的初步知識。然後，本文重點討論了當前在gi g 1排隊系統中待研究的如下幾個問題： （一） gi g 1排隊系統的非平衡理論（ 1 ）給出gi g 1排隊系統及其三個特例m m 1 ， gi m 1和m g 1排隊系統的隊長l （ t ）的瞬時分佈所滿足的方程。證明gi g 1排隊系統的隊長l （ t ）滿足三種不同方程，並且是這些方程的最小非負解，也是唯一有界解。3, 4, 5 and ? 6 of this chapter deal respectively with the transient distribution of the queue length of these four queueing systems. such results are obtained as follows : under the condition of the interarrival times distributions and service times distributions of these queueing models which have density function, their transient distribution of the queue length can be represented as an integral, and the integrated term of this integral can be recursively obtained
在這一章的誇3 、芬4 、縣5和號6中，分別針對這四個排隊模型，討論了瞬時隊長的分佈，最終得到了以下的結果:在這幾個模型的到達間隔分佈和服務時間分佈均具有密度函數的條件下，它們的瞬時隊長分佈可以表示為一個積分，該積分的被積項可以遞歸地求取。In order to inprove the tracking performances of some sensors and local nodes, the paper discusses the state estimation techniques in multilevel multisensor surveillance systems with feedback information. based on the single sensor kalman fitering equations with feedback information, this paper presents two - level centralized, distributed and hybrid track level fusion methods with feedback information in multicoordinate systems. in the different cartesian coordinates, several kinds of track level fusion methods with feedback information for three - level multisensor data fusion systems are proposed, in which centralized - distributed, distrbuted - distributed and hybrid - distributed estimation combination problems with feedback information are considered, and proves that two kinds of three - level estimation solutions with or without feedback information are optimal and equivalent in the form of the theorem. the simulation results show that the multilevel multisensor data fusion system can not only increase the global estimation acuracy of target but also greatly improve the tracking perfomances of some sensors and local nodes by using the feedback information
為了改善局部節點和傳感器級的跟蹤性能，本文研究帶反饋信息的多級式多傳感器系統中的狀態估計技術.在給出有反饋信息情況下傳感器級狀態估計解的基礎上，本文提出多坐標系中有反饋信息的兩層集中、分佈和混合估計方程.在不同笛卡爾坐標系中，本文提出了幾種帶反饋信息的三層多傳感器系統中的航跡級融合方法，其中包括集-分估計、分-分估計和混-分估計，並以定理的形式證明有、無反饋信息情況下的兩類三層狀態估計是價的、最優的.模擬結果表明，在多傳感器信息融合系統中引入反饋機制可以明顯改善一些局部節點和傳感器級的跟蹤精度It is shown, through the analysis of their surface power and astigmatism, that the shape of the meridian line has significant influence upon the distributions of surface power and astigmatism. their keystone distortion is small. in this way, pal meeting different circumstances can be designed
最後，舉例設計了光焦度增量為2 . 50m ~ （ - 1 ）的幾種漸變鏡片，通過對設計結果分析研究，指出可得到梯形畸變較小的pal鏡片，子午線光焦度漸增多項式參數的選取會影響鏡片球面度和柱面度的大小和分佈，由此，可設計滿足不同使用要求的漸變鏡片。A discrete probability distribution named as distribution of exponential difference is presented in this paper, formula to calculate the most probable success number, mathematical expectation and variance are derived for this distribution, relationship between this distribution and geometric distribution is discussed, a application of this distribution in markovian chain is given
摘要本文提出了一個離散型概率分佈：指數差分佈，推導了該分佈的最可能成功次數、數學期望和方差，探討了該分佈與幾何分佈的關系，給出了該分佈在馬爾可夫鏈模型中的應用。The important idea of fgms is that material can be designed, i. e. according to the request of engineering application, the optimum solution scheme is obtained by rational selection of material system, method of fabrication, componential distribution, micro - structure and geometry size etc. the idea that material can be designed has overstepped traditional fgms fields and is widely applied on other high technology fields
梯度材料的一個重要思想是材料的可設計性，也就是可以根據工程應用的要求，通過合理地選擇材料體系、制備方法、組成分佈、微觀結構以及幾何尺寸等，獲得最優的解決方案。這種「可設計的材料」的思想，已經超出了傳統意義上的梯度材料領域，廣泛應用於各種高技術領域。Finally, the relation between the field of view matching of digital binoculars and the size of field of view of binoculars and camera is analyzed theoretically. based on the analysis of the mft principal and measure method of image sensor ’ s mtf, the contact measure method using rectangle template for mtf of image sensor is created. according to the number of pixels of image sensor in one cycle of the template function, the quantitive relation between sine template and rectangle template is proposed through theoretical analysis and comparison
並利用衍射理論，從模板的形式（正弦形、矩形） 、模板與傳感器間距等幾個關鍵因素出發，進行了深入的理論探討，從理論上導出了矩形模板和正弦模板的差異、模板與圖像傳感器光敏面存在間距的情況下的光場分佈;並最終導出了間距存在下圖像傳感器調制傳遞函數值測得值與標準值之間的調整系數，利用此調整系數對實驗數據進行修正後可得到更為準確的調制傳遞函數。Very large data bases vldb 02, hong kong, china, 2002, pp. 670 - 681. 6 bhalotia g, hulgeri a, nakhe c et al. keyword searching and browsing in databases using banks
我們觀察發現，一個關鍵詞查詢可能生成幾十個甚至上百個候選網路，而最終的top - k結果卻只是分佈在少數幾個候選網路上。Corresponding exploited computing procedures are introduced in this paper. furthermore, significant conclusions that can be applicable in practice are also summarized, after contrasting the datum from engineering instances and laboratory model tests, statistically analyzing the differences between dissimilar distributions of pile rigidity, different variance coefficients and various relativity, and probing into manifold factors determining the internal force distribution of pile capping beam and correlative principles
最後，本文結合工程實例及模型試驗結果，對幾種地基土模型進行了比較計算，並對不同基樁剛度分佈、不同變異系數，以及不同相關性等進行了大量的統計分析，對影響承臺梁內力的各種影響因素及其規律進行了探討，得出了一些可用於指導工程實踐的重要結論。I am not sure of the exact figure, but there must be at least several hundred thousand of them, and i believe the number will continue to grow in the future
那觀音法門信眾，現在是分佈五大洲，實際人數我不知道，最少幾十萬人以上吧？我不知道這個數字，我想將來很可能也會越來越多。分享友人