convergence in distribution 中文意思是什麼

convergence in distribution 解釋
依分佈收斂
  • convergence : n. 1. 聚合，會聚，輻輳，匯合。2. 集合點；【數、物】收斂；【生物學】趨同（現象）。
  • in : adv 1 朝里，向內，在內。 A coat with a furry side in有皮裡子的外衣。 Come in please 請進來。 The ...
  • distribution : n 1 分配，分發，配給；分配裝置[系統]；配給品；配給量；【經濟學】配給方法，配給過程；分紅；【法律...
  1. It has been improved, and specially proposed : firstly, we has increased run speed and ensure the diversity of population is with constructing non - dominated set by throwing off the dominated solutions, expressing the interior relation of individuals each other by the crowding distance, and constructing new population. secondly, we have further improved its convergence performance by clustering in precondition of ensuring a better distribution of individuals

    該文以nsga -為基準，對演算法進行了改進，具體提出了：用排除法構造非支配集、用聚集距離刻畫個體間的內部關系以及構造新群體，來提高運行速度和保持群體的多樣性；用聚類演算法在保持原有特性的前提下，進一步改善收斂性能等。
  2. Reactive optimal control of distribution system is based on power flow calculation. alternate iterating algorithm is proposed in this paper according to characters of reactive optimal control. the algorithm has advantages of fast computation speed, a few iterating times, high accuracy convergence and easy programming. it is an effect method applied to reactive optimal control

    其次，針對配電網無功優化控制對配電網潮流計算的要求，採用交替迭代演算法進行配電網的潮流計算，該演算法編程簡單、收斂性好、計算速度快，適合於配電網無功優化控制的調用。
  3. By applying the theory and method of geological anomaly, it is focused on the analysis of the characters of major geological anomalies and their effect of mineralization in daye - jiurui region. the analysis result shows that the basement fault anomalies control a few major large hidden batholiths and their associated orefields ; that the anomalies of cover structure confine most cu - au deposits and fe - cu deposits within their scope ; that the geochemical anomalies and lithofacies - paleogeographical anomalies are major geological factors leading to trataboundness of some cu - au deposits ; that the anomalies of rock operties provide the favorable chemical and physical conditions for the ore - forming process, including the seepage, circulation, convergence and deposit of ore - bearing hydrothermal solution ; that the anomalous ctive stage of mesozoic magmatite is almost consistent with the major mineralization epoch of the fe, cu deposits, and the structure of multi - levels, and the zoning in magmatic system determine the spatial distribution of the mineralization system. then, based on the above analysis, a comprehensive variate, geological combination entropy, is brought forward for reflecting the complex degree of the combination of geological ore - controlling factors. after circumscribing the anomalies of geological combination entropy, the relations between the anomalies and ore deposits are determined

    從地質異常的角度，重點分析了大冶九瑞地區主要地質異常的特徵及其對成礦的影響.由分析可知：基底斷裂異常控制了本區若干重要規模較大的隱伏巖基及伴生礦田，而蓋層構造異常控制銅金礦床和鐵銅礦床的空間位置；地層的地球化學異常和巖相古地理異常是造成一些銅金礦床層控性的主要地質因素；蓋層的巖性異常為含礦熱液的滲流、循環、聚集和礦質沉澱等一系列成礦作用提供了有利的物理和化學條件；中生代巖漿巖的異常活動期也是本區主要的鐵銅成礦期，巖漿巖系統的多層分枝和分帶性結構控制了本區成礦系統的三維空間分佈.在上述分析的基礎上，構置了地質組合熵作為反映控礦地質因素組合系統結構復雜程度的綜合變量，並圈定出組合熵異常，由此確定了綜合地質異常與礦床的關系
  4. In this article, we use idea of turning dispersion into convergence and put all the well ' s points into the same unit net to think about it. and answer three questions of the distribution of well drilling by the way of searching for groups of points. fincite - step - searching underthe condition of translationg fcoordinate system or revolving coordinate system. to first question. we find two algo - rithms and make use of data that is given to find the solution. we seek coorlinate of net point is co. 361, 0. 461 ) and mostly four old well ' s points are utilized at the same time by first algorithim, which are no. 2, no, 4, no. 5, no. 10. by second algorithm, we rechon the coordinate of net point is co. 390, 0. 505 ). and that mostly four old well ' s points are utilizld which are no. 2, no. 4, no. 10. to second question, we turn it into the first question by angling awt the center of net point. we seek that mostly six old well ' s points are utilized at the same time, which are no. 1, no. 6, no. 7, no. 8, no. 9, no. 11, when net is angled 0. 78 radian. and net point is translated to ( 0. 75, 0. 076 ) ( at nwe coordinate system ). to third question, wefind a necessary and sufficient condition and affer algorithms, at last, we analyse algorithms

    運用化分散為集中的思想，把所有的井點都放在同一個單位網格內考慮.在坐標可平移、旋轉的條件下，利用尋找點群、有限步驟搜索法，對鉆井布局的三個問題進行了解答.對問題一，給出了兩個不同演算法.並對題目提供的數據進行了求解，演算法1得到的結點為（ 0 . 361 ， 0 . 461 ） ，最多有4個舊井點被同時利用，它們是第2 、 4 、 5 、 10個井點;演算法2得到的結點為（ 0 . 390 ， 0 . 505 ） ，最多有4個井點被利用，它們是第2 、 4 、 5 、 10個井點.對問題二，以結點為中心旋轉一定的角度后，歸結為問題一進行求解，求解結果為當網格傾斜角為0 . 78弧度（相對原坐標系） ，結點平移到（ 0 . 75 ， 0 . 076 ）點（在新坐標系下） ，可被同時利用的最多舊井點為6個，它們是第1 、 6 、 7 、 8 、 9 、 11個井點，對問題三，我們給出了充要條件，並給出了演算法.最後還分析了演算法的優劣性
  5. Weak convergence of the distribution of independent random variable series in hilbert space

    空間中獨立隨機變量序列分佈的弱收斂性
  6. Similar to the famous von - mise condition on the extreme value theory of 1 - max style, the judge condition that absolutely continuous distribution function is in the domain of attraction of p - max style distribution function is given. at the same time, the error inequality between samples and true values is obtained, and almost sure convergence theorems on the extreme value theory of p - max style are also given

    類似於l - max型極值理論中著名的von - mise條件，本文給出了絕對連續分佈函數f落在p - max型極值分佈函數的吸收域中的判斷條件，給出了樣本與真值的誤差不等式，並給出了關于p - max型極值理論的幾乎處處收斂定理。
  7. In the main area populated by malus toringoides hughes, malus kansuensis and ( or ) malus transitoria were found occasionally. the fact of the three species " convergence in western sichuan and southern gansu shows their close relation - ships geographically. their different distribution indicate their geographical replacements, of subflora forest vegetation of china - himalayas, in which many new and old species co - existed

    在變葉海棠的主要分佈區內，有隴東海棠和花葉海棠（或其中之一）的零星分佈，它們在四川西部和甘肅南部匯集，表現為地理親緣；其分佈區的分異表現為地理替代，該地區植物區系成分新老兼備。
  8. The surface panel method has been applied to predict the hydrodynamic performance of highly skewed propeller. the surface of propeller and its trailing vortex are discreted by a number of small hyperboloidal quadrilateral panels with constant source and doublet distribution. for highly skewed propeller, the conventional method generating grid oriented along constant radii will result in a high aspect ratio and a high skewness and a twist panel near the propeller tip on blade surface, which result easily in incorrect calculation results of velovity on blade surface, even in iteration divergence and calculation failure. a “ non - conventional grid ” is developed to acoid these problems. this grid can effectively solve the problem of the calculation and convergence for highly skewed propeller. the non - linear kutta condition of equal pressure on upper and lower at the trailing edge is executed by the iterative procedure. by sample calculating, the obtained results are satisfied the experimental data

    採用面元法預報大側斜螺旋槳水動力性能，螺旋槳表面及尾渦面離散為四邊形雙曲面元，每個面元上布置等強度源匯和偶極子分佈.對于大側斜螺旋槳而言，槳葉表面採用常規的等半徑網格劃分方法在近葉梢處將導致大展弦比、大側斜和扭曲面元，這容易使槳葉表面速度的計算結果不正確，甚至會導致迭代過程發散及計算失敗.文中建立了一種「非常規網格」劃分方法，能有效地解決大側斜螺旋槳的計算和收斂問題.槳葉隨邊處通過迭代實現非線性等壓庫塔條件
  9. Making use of the idea of the parallel genetic algorithms, presenting the adaptive multiple subpopulation evolutive strategy. presenting extinction and immigration strategy in order to avoid the similar or even same individuals appear. in order to enhance convergence velocity of reactive power optimization of the radial distribution system, combining the characteristic of the radial distribution system, a sensitivity analysis approach was build up for optimal selection of capacitors and mutation of transformer tap changer

    為了提高配電網無功優化的收斂速度，結合配電網的特點，提出採用簡單可行的靈敏度公式選擇無功電容補償器的安裝地點，並用靈敏度分析變異變壓器分接頭，使變異運算元的選取更符合配電網無功優化問題中關于調節變壓器分接頭的實際情況，減少了一些不必要的變異運算，使適應性和魯棒性加強；根據實際情況採用無功補償電容器的啟發式變異，使變異運算元的選取更符合無功優化問題中關于補償電容器的實際。
  10. According to the rules and considerations which are based and taken into account in the practical work, this paper proposes a new model for distribution maintenance scheduling which intends to find the most economical maintenance schedule without violating any restrictions and also the paper makes a deep research of ga, sa and ts. by constructing two effective instructive rules which derive from the feature of distribution maintenance schedule and introducing ts into mutation operation of ga in the earlier generations, the proposed method improves the convergence of optimization and shortens the calculation time. the proposed model and method are applied to a practical system, and numerical results verify ' the correctness and validity of them

    本文結合實際電力調度計劃工作中檢修計劃的制定原則和所要考慮的各種因素，抽象出適合配電網檢修計劃優化的數學模型：對遺傳演算法、模擬退火演算法以及禁忌搜索演算法等多種演算法進行了研究和分析比較，針對遺傳演算法的不足提出了通過對實際問題的分析抽象出一定規則指導演算法在解空間進行搜索和兩階段變異運算元兩項改進措施，並應用於配電網檢修計劃優化，編制了相應的應用軟體；應用該軟體對我國南方某地區供電局某月的檢修計劃進行優化的結果表明，本文所提出的模型和改進的優化方法是正確和有效的。
  11. Furthermore, the equivalent judge condition between almost sure convergence and convergence in distribution of the extreme value distribution of 1 - max style is, in this thesis, given in the case of independedt nonidentical distribution

    此外，本文還給出了獨立不同分佈情況下l - max型極值分佈幾乎處處收斂和依分佈收斂等價的判斷條件。
  12. Appling immune algorithm to optimum disposal of shunt capacitors on distribution network was studied according to reality. methodology of shunt, capacitors disposal on distribution network is presented and optimum capacitors disposal program was got through simulation arithmetic. this paper presented a practical capacitors grouping program also. these programs were validated practial and economical. by comparing the astringency of immume algorithm to genetic algorithm the conclution that immune algoritnm has faster caculation speed and better global convergence ability in optimum disposal of shunt capacitors on distribution network was got

    模擬計算得出電容器配置方案，並對電容器進行合理分組，經過分析得出該配置方案可行而且經濟。同時，本文對遺傳演算法和免疫演算法的收斂性進行比較，得出免疫演算法收斂性較好，收斂速度快。配電網路的復雜，以往的優化演算法在解決配電網電容器配置問題時由於演算法的缺陷，往往缺乏足夠的優化手段。
  13. By studying the solution to generalized effective medium satori resistivity model in laminated and dispersed shaly sand, it shows that there is a local minimum of the function about w derived from the model in the range from 0 to, and the w corresponding to the minimum varies with or w as well as other parameters, therefore, in order to ensure the iteration convergence, here, we adopt a hybrid algorithm combining newton and bisection, and the calculated result shows that using the hybrid algorithm to solve the equation about w is convergent. it is pointed out that shale distribution largely affects water saturatio n predicted by this model

    通過研究混合泥質砂巖有效介質通用satori電阻率模型的求解方法，表明模型導出的關于_ w函數在0 -區間內存在一個局部極小值，且該極小值點對應的_ w隨或_ w及其他參數的變化而變化，因此，為了保證迭代收斂，採用牛頓和二分結合的混合迭代演算法，試算結果表明利用牛頓和二分混合迭代演算法求解關于_ w的方程是收斂。
  14. The result shows that this kind of power flow analysis of distribution systems have the superior performance in terms of solution time and convergence characteristics

    算例分析證明，該演算法具有可靠的收斂性、計算的穩定性和快速性，它可以作為配電網路其他分析計算的基礎。
  15. Studies on some distribution test systems show the power flow analysis of distribution systems to have the superior performance in terms of solution time and convergence characteristics. the thesis proposes two algorithms for real - time switching control scheme of shunt capacitors

    在配電網中布置有許多並聯補償電容器組，它們在網路經濟運行中所起的作用不同和運行現場的技術條件不同，它們的實時運行控制採用不同的控制方式和控制演算法。
  16. The fbc for connecting the subdomains on fictitious boundary is developed according to the actual field distribution in the waveguide to ensure the propagation of waves between adjacent subdomains. the relaxed algorithm is introduced to improve the iterative convergence

    文中從實際場分佈出發，在劃分區域的虛擬邊界上給出了連接子域的吸收虛擬邊界條件，並通過引入鬆弛演算法，構建了一種能夠用於分析波導問題的鬆弛迭代區域分解法。
  17. As the essential electrical calculation means, load flow calculation provides important basis for power systems operation and studies, and is indispensable to advanced power systems application software. in this thesis, the development of methods for load flow solution of distribution networks at present have been fully analyzed and evaluated in the aspect of convergence. the algorithm for distribution power systems base on the complex matrix was proposed in this paper, the proposed methods is very efficient and required less computer memory storage observably

    潮流計算是電力系統中應用最廣泛、最基本，也是非常重要的一種電氣計算。它給電力系統的研究人員和實際運行人員提供了重要參考依據，也是許多電力系統高級應用軟體中不可缺少的一部分。本文針對配電網潮流計算的現狀進行了全面分析，深入討論了目前各方法的特點，並從收斂性能及各方面指標進行了比較分析，提出了基於復數矩陣的配電網潮流的原理、數學模型和實現方法，並通過編程于以實現。
  18. The architecture of the whole system takes structure of one - class - in - one - network ( ocon ), which has many advantages such as easy convergence, suitable for distribution application, quick retrieving, and incremental training

    整個系統採用ocon的機構，該結構具有易收斂、識別快、適合分散式應用和增量式學習等特點。
  19. The convergence of the solution of a linear singularly perturbed system in distribution topology as tends to zero is considered

    摘要討論了線性奇異攝動系統廣義狀態解當趨于零時在廣義函數空間上的收斂性問題。
  20. When the eccentricity distance is different, the distribution form of average pressure density in machining zone is given. in the lapping and polishing experiment, sic materials can be evenly removed by choosing reasonable process conditions and parameters, and the surface will convergence to prefect shape. this is helpful to the study on quantificational machining technologies of aspheric components

    主要內容和創新點包括： 1 、根據平面研拋的成形原理和材料去除特點，建立了工件表面相對運動軌跡的數學模型，給出了不同偏心條件下加工區域的平均壓強分佈形式；在sic工件的平面研拋實驗中，通過選擇合適的加工條件和對工藝參數進行調整，能夠實現表面材料的均勻去除，獲得理想的工件面形，同時也為非球面確定量研拋提供工藝指導。
分享友人
分享到 Line

分享到臉書