極端分佈 的英文怎麼說

中文拼音 [jíduānfēnbù]
極端分佈 英文
extreme distribution
  • 極 : i 名詞1 （頂點; 盡頭） the utmost point; extreme 2 （地球的南北兩端; 磁體的兩端; 電源或電器上電流...
  • 端 : Ⅰ名詞1 （東西的頭） end; extremity 2 （事情的開頭） beginning 3 （門類; 方面） item; point 4 （原...
  • 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
  • 極端 : extremes
  1. At first, analysis of extreme temperature ' s spatial distribution of variety trend shows that the minimum temperature in the north are going up while the maximal temperature in east china declining widely, which is a numerical characteristics of prevailing warmer - winter in recent years. so the change of minimum and maximal temperature are dissymmetrical

    首先從總體上，分析極端最高和極端最低溫度變化趨勢的空間分佈：北方地區極端最低溫度普遍上升，且幅度較大，是近年來暖冬盛行的一個數值化特徵；極端最高溫度在東部普遍下降，最低最高溫度變化具有不對稱性。
  2. The results show that evt performs better than lognormal pdf for real data sets characterized by high indoor radon concentrations

    結果顯示極端值理論對高氡氣濃度分佈區域之預測佳於一般對數常態分佈模式。 。
  3. How could we talk about a normal distribution of extreme events

    極端的事件怎麼有辦法談論常態分佈？
  4. 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。
  5. Indoor radon distribution in switzerland : lognormality and extreme value theory

    瑞士室內氡氣分佈：對數常態及極端值理論。
  6. Trend distributions of extreme temperature and extreme precipitation were good agreement with that of mean temperature and mean precipitation in china

    極端溫度和極端降水趨勢的空間分佈與平均溫度和平均降水趨勢的空間分佈一致。
  7. Tow speciments of prestressed fabricated beam - column subassembly were tested under reversed cyclic loading. experimental studies were carried out to investigate the strain distribution, failure mechanism and load - bearing capacity on the beam - column connections, as well as ductility, hysteresis curves energy dissipation, displacement restoring capacity of full pc speciments

    本文通過兩榀預壓裝配式樑柱組合體在低周反復荷載下的試驗，了解了預壓裝配式框架梁端截面應變分佈、破壞機理和極限承載能力；探討了全預應力配筋截面延性特徵、滯回性能、耗能能力和變形恢復能力。
  8. Emphasis is put on the tails of the distributions and their deviations from lognormality

    強調其尾端值極其于對數常態分佈時之分佈狀況。
  9. A full mathematical model of optimal flow pattern design withengineering constraints was put forward, based on modern optimal control theory. an optimal flow pattern design was presented for optimizing meridional channel of axial flow turbine. according to integral optimization of turbine stages, a full physical model and mathematical expression were put forward for proposition of optimal flow pattern, including all performance parameters in turbine stages. this problem was further recast into a typical form control to maximize specific performance index such as work or efficiency of stage with given initial state, fixed terminal condition and constraints for part of state terminal variables. the program was also worked out according penalty function method and conjugate gradient method. the optimal distribution of c1ur1 ( r1 ) was obtained according to constraint conditions and maximized objective function

    把近代最優控制論方法引入軸流透平葉片的設計，在優化的軸流透平子午通道內，建立包括透平級內所有性能參量的最優流型命題的完整的物理模型及其數學表達式，並歸化為一個在給定初始狀態、自變量終端固定、部分狀態變量終端受有約束的條件下，使級的某一性能指標（如級的功率）達到最優的最優控制問題，應用「代價函數法」及「共軛梯度法」編制計算程序，計算得到符合給定約束條件、並使目標函數取極值的最優環量分佈，結果是令人滿意的。
  10. During this process electrons will not only lose energy for self - radiation, but also gain energy from induced absorption. on the basis of analyses, the radiation with low frequency by relativistic electrons will form rayleigh - jeans spectrum in optically thick medium

    由等離子體中輻射譜計算公式得到，在光學厚的介質中麥克斯韋分佈的極端相對論性電子產生的同步加速輻射譜為瑞利?金斯譜。
  11. Based on the daily surface air temperature data from 200 stations and daily precipitation data th from 739 stations during the second half of the 20 century, schemes for analyzing climate extremes were designed mainly according to percentiles of a non - parametric distribution and the gross errors in the daily data were removed based on a newly designed quality control procedure. the spatial and temporal characteristics of change of climate extremes over china were studied, the major conclusions are summarized as : th 1. slight decrease trends were found for the 95 percentiles of daily maximum temperatures during summer, but larger increase trends were revealed for the 5th percentiles of daily minimum temperatures during winter, especially in northern china

    本文利用中國20世紀後半葉較為完整的逐日溫度和降水觀測資料，設計了嚴格的資料質量控制方法，以統計上的邊緣分佈的客觀定義為主要依據，確定了極端溫度和降水事件，研究揭示了近50年中國極端氣候事件變化的規律，得到以下主要結果： 1 .全國最高溫度的極端高值略趨下降；最低溫度的極端低值升溫趨勢顯著，這種增溫在冬季、在北方最顯著。
  12. Because evt mainly studies extreme value and models the tail of distribution financial return, it can effectively forecasts and guards against the financial risk on the condition of lacking of sample data. more and more people recognize the great potentials of evt dealing with the risk of extreme event. especially evt can be used in application to value at risk due to modeling the tail of distribution

    極值理論主要以極值為研究對象，它注重模擬收益分佈的尾部，比較有效地解決了在缺少樣本的客觀條件下如何預測和防範金融風險的問題，因此，越來越多的人認識到極值理論在極端事件風險管理中的巨大潛力，特別指出的是極值理論是一種模擬收益分佈尾部的理論，所以可以應用於風險價值的測量。
  13. This paper describes a reconstructive algorithm which is based on network theory for electrical capacitance tomography technic. there are twelve electrodes in the system. the permittivity distribution of flow with two components within a pipeline is reconstructed. assume the permittivity distribution of the region to be reconstructed. then whole measured area is discretized into a network composed of capacitance. the measurement circuit which contains a pair of source electrode and detecting electrode is taken as a four - terminal network. the across admittance of the four - teminal network is proportional to the capacitance between the source electrode and the detecting electrode. modify the distribution of the permittivity according to the difference between the calculated capacitance and measured capacitance. the experimental results show that this algorithm is effective and can coverge

    本文描述了一種用於兩種成份的流體成像的12電極電容層析成像新方法.該方法基於電路的網路理論，首先對重建區域假定一個介電率分佈，用電容網路作為離散化模型，將每一個源電極和探測電極對組成的測量電路看作一個四端網路，該四端網路的跨導與源電極和探測電極之間的電容值是線性關系，這個電容值和測量得到的電容值之間存在誤差，根據這個誤差對修正介電率分佈.通過對不同介質分佈作的模擬實驗結果，證實了該演算法是有效的，收斂的
  14. It is very popular to be used for the welding of orbital tube, pipe, very small parts, short welding cycles and also where a specific number of welds are called and then the electrode is to be replaced. cerium tungsten electrode, tungsten cerium electrodes, w - ce electrode, ce - w electrodes, tungsten electrode, tungsten

    鎢鈰並不適合於高電流條件下的應用，因為在這種條件下，氧化物會快速的移動到高熱區，即電極焊接處的頂端，這樣對氧化物的均勻度造成破壞，因而由於氧化物的均勻分佈所帶來的上述好處將不復存在
  15. 5 intraseasonal discrepancy exists in the extremely temperature decrease corresponding with the four type of spring temperature. the cold wave incidence of the heilongjiang type tend to be more in may, while the others in april

    5 、春季氣溫4種空間分佈型態極端降溫過程的分佈存在月際差異，黑龍江地區多出現在5月份，其它地區多出現在4月份。
  16. Based on the rate - equation theory of four - level system, the expressions of threshold pump power, output power and slope efficiency are given. the influence of space distribution of pump light ( the position of focusing point, dimension of pumping light and divergence angle ) to the output characteristics are also discussed. then, by investigating the effects of thermal effect of laser crystal on the size of laser cavity mode, we obtain the mode - matching principle of high power laser diode end - pumped solid - state lasers

    其中，在泵浦光的空間分佈變量中我們分別考慮了泵浦光聚焦后的腰斑大小、聚焦腰斑在增益介質中的位置以及泵浦光在介質中發散角的影響；然後我們研究了在高泵浦功率下激光晶體因吸收泵浦光而產生的熱效應所導致的熱透鏡效應以及熱致衍射損耗，通過分析它們對振蕩激光腔模尺寸的影響，得到了高功率半導體激光二極體端面泵浦固體激光器模式匹配的要求，為高功率連續單頻nd ： yvo _ 4激光器的優化設計提供了理論依據。
  17. The swarm of dimer searches launched from each minimum ( from the server ) are independent and can be run on separate machines ( clients )

    二聚體查尋法可以從各個獨立的極小值（由服務器分配）開始在分佈於世界各地的計算機（客戶端）上同時開始。
  18. Operational risk measurement models, such as basic indicator approach, standardized approach, internal measurement approach, loss distribution approach and extreme value theory etc, all have some shortcomings

    摘要操作風險計量模型有基本指標法、標準法、內部衡量法、損失分佈法、極端值模型等，各種模型都存在一定的缺陷。
  19. Results show, 1 ) the teleconnection between extreme precipitation of ease china and the same season sst of north pacific is mainly in nino area ( nino 1 - 2 area most ) ; the plus connection area between nino1 area and the next summer extreme precipitation is in middle and lower reaches of yangtze river

    結果表明， 1 ）我國東部夏季極端降水量空間分佈與同期太平洋sst的遙相關型主要集中在整個nino海區（以nino1 - 2區為最） ； nino1區與次年夏季極端降水量的相關主要表現在與長江中下游區的正相關型。
  20. With the data of china ' s yearly extreme - values, the asymptotic distribution is fitted using the gumbel distributions. probability weighted moments is an effective method to parameter estimation, with which calculation is simplified and the fitting precision are improved

    利用耿貝爾分佈可以對我國極端溫度的年極值進行漸進分佈擬合，參數估計中的概率加權法是一種有效的估計方法。
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