條件平均數 的英文怎麼說

中文拼音 [tiáojiànpíngjūnshǔ]
條件平均數 英文
conditional mean
  • : Ⅰ名詞1 (細長的樹枝) twig 2 (條子) slip; strip 3 (分項目的) item; article 4 (層次; 秩序; 條...
  • : Ⅰ量詞(用於個體事物) piece; article; item Ⅱ名詞1. (指可以一一計算的事物) 2. (文件) letter; correspondence; paper; document
  • : Ⅰ形容詞1 (沒有高低凹凸 不頃斜) flat; level; even; smooth 2 (高度相同; 不相上下) on the same l...
  • : Ⅰ形容詞(均勻) equal; even Ⅱ副詞(都; 全) without exception; all
  • : 數副詞(屢次) frequently; repeatedly
  • 條件 : 1. (客觀的因素) condition; term; factor 2. (提出的要求) requirement; prerequisite; qualification
  1. Further more, this thesis presents an improved distribution loss calculation method with few labors of data collection increased, which eliminates the traditional methods " assumptive preconditions. thus, the correctness and practicability is improved

    提出用改進電流法計算配電網線損,該方法在不增加據收集工作量的前提下去除傳統假定,實現配電網線損計算,提高了準確度,增強了實用性。
  2. In this paper, we give a brief introduction to the helfrich elastic theory. to solve the helfrich equation under the physical conditions of vesicles, a taylor series method is introduced, which offers a unified method to reproduce the exact solution including the famous axisymmetrical constant - curvature surfaces and the biconcave shape solution

    本文在簡要介紹了helfrich的彈性理論及膜方程的基礎上,開創性地引入taylor級法,在軸對稱膜的邊界下,對helfrich膜方程以taylor級法求解,統一地得到了目前已知的兩個特解:常曲率曲面和紅血球形狀解。
  3. Elastic collision and inelastic collision are considered in oxygen molecule, nitrogen molecule by electron impart. the mail simulation results were as follow : ( 1 ) the variations of drift velocity and the average energy of electron with the e / n in o2 and n2 are obtained. the number of electrons for excitation, ionization, dissociation and dissociative ionization collision with the e / n and the energy of electron are analyzed emphatically

    考慮了各種彈性和非彈性碰撞過程,在純氧氣、純氮氣中,給出了不同簡化場e n下的電子漂移速度和電子能量的變化;著重分析了激發、電離、分解及分解電離碰撞的粒子隨e n 、電子能量的變化,同時計算了激發發射光譜的波長。
  4. In chapter we give out an explicit expression of classical capacity of general fermi quantum channel for single mode fermion system under the restriction of input average occupation numbers of fermions ( that is the input power restriction )

    第二章給出了輸入費米子占據限定(輸入功率限定)的下的單模費米系統量子通道的經典容量。
  5. 3. at the same holding time, when the holding temperature changed, the number of the long equal - area - circle diameter grain increased, and the average of the equal - area - circle diameter lengthened, the average of the roundness heightened

    3 、相同保溫時間下,改變等溫溫度,等積圓直徑大的晶粒隨溫度的升高而增加,球狀化程度高的晶粒增多,等積圓直徑和球化度同時增大。
  6. According to the least twin multiplication to calculating the sensitivity index in several water production functions. thus, the writer obtains the fitted the value of the sensitivity index and the varied rule. at the same time, the writer puts forward a new method named rag a ( real coding based accelerating genetic algorithm ) and combines raga with dpsa to calculating the best irrigation system under the non - sufficient irrigation of well irrigation rice in sanjiang plain

    根據《隨機水文學》理論中的時間序列分析法,建立了適合三江原井灌水稻需水量預報的非穩時序隨機模型;通過分析降雨隨機特性,選定季節性時序隨機模型,建立了適合三江原井灌水稻降雨預報的月降雨模型;根據最小二乘法,計算出幾種常用水分生產函中的敏感指及敏感系,進而得到三江原適宜採用的水分生產函漠型及模型中敏感指的變化規律;本文提出遺傳動態規劃法( raga ? dp ) ,即採用改進的基於實編碼的加速遺傳演算法( realcodingbasedacceleratinggeneticalgorithm ,簡稱raga )與動態規劃法( dpsa )相結合,推求非充分灌溉下三江原井灌水稻的最優灌溉制度。
  7. In the aspect of output characteristics, after applying the boundary conditions and the continue condition of two segments, the correlative dependence of average photon density in each segment has been obtained. combining this dependence with the threshold conditions, the theory foundation is settled

    在兩段式dfb激光器的輸出特性研究方面,利用邊界以及兩段之間的連續,導出了兩段光子密度之間的依賴關系;這和兩段式dfb激光器的閾值表達式相結合,構造了本文研究激光器輸出特性的理論框架。
  8. The equations of the mean value functions and the covariance functions are established for dynamical systems whose inputs are fuzzy stochastic processes. an existence and uniqueness theorem of ito fuzzy stochastic differential equations is proved, some explicit representations of solutions and the equations of statistical characteristics are deduced for linear fuzzy stochastic differential equations, and numerical methods to nonlinear fuzzy stochastic differential equations are proposed, the conditions for stability and observability of fuzzy linear systems are derived. the kalman filter algorithms of linear fuzzy stochastic systems are brought forward

    主要成果包括:提出了模糊隨機變量協方差和反向協方差的概念;研究了二階模糊隨機變量的方收斂性,並在此基礎上得到了方模糊隨機分析、穩模糊隨機過程及其譜分解的若干定理;根據方模糊隨機分析理論,得到了輸入為模糊隨機過程的線性系統的輸出輸入統計特徵關系方程;證明了ito型模糊隨機微分方程解的存在唯一性,並給出了ito型線性模糊隨機微分方程解的表達式,統計特徵方程以及非線性模糊隨機微分方程的值解法;得到了模糊線性系統的穩定性和可觀性、線性模糊隨機系統統計特徵方程和線性模糊隨機系統的kalman濾波演算法;研究了當觀測值是模糊據時,線性回歸模型的建立。
  9. The updated model with complete forcing has excellent ability of simulation and forecast. to study yellow and east china circulation in winter and summer, based on long - term ocean observation data of january and august, the fine structure of yellow and east china seas circulation is diagnostically calculated with complete forcing ( including surface wind stress, boundary transportation, baroclinic effect, tide, changjiang river runoff ) in winter. the influences of factors on main circulation patterns are discussed respectively

    對于冬季和夏季海洋環流的情況,在多年觀測的溫鹽資料基礎上,分別以1月份和8月份代表黃東海冬季和夏季的情況,以月大氣風應力、邊界流輸送、溫鹽斜壓效應、潮汐、長江口徑流等作為強迫,對黃東海環流的細微結構作了高分辨的三維值模擬,探討了各因子對冬、夏季主要流系的動力學作用。
  10. In the second section of chapter 2, the fact that the essential interest rates of all nodes differ from each other is discussed, a non - homogeneous differential equation model of interest rate - amount of circulating fund is established, and it is proved that the sum of the weighted interest rates of each node in the financial network still remains a constant and that the difference of the instant interest rates between two nodes will finally approach the difference between their basic interest rates. in the third section of chapter 2, the differential equation model of interest rate - amount of circulating fund in an open system is studied, the laws of changes of interest rate are taken into account when fund is injected into or withdrawn from the node or when fund is injected into the network or withdrawn from the network, and the stability of equilibrium solution is proved based upon lyapunov stability theory. in the last, the equation model of interest rate - amount of circulating fund in the financial network with time delay is studied, and a necessary and sufficient condition for the existence of periodic solution is obtained to the interest rate - amount of circulating fund equation with delay

    本文第二章首先建立了封閉系統的利率?流通量微分方程模型,證明了各結點利率加權和為常即金融市場利率衡原理,以及各結點利率極限為整個網路利率;其次在各結點基本利率不相同的情況下,建立了非齊次利率?流通量微分方程模型,證明了金融網路各結點利率加權和仍是一個常,並證明了各結點兩兩之間的即時利率之差最終將穩定地趨于其基本利率差;此外,還研究了開放金融網路利率?流通量方程模型,考慮了結點自身追加資金和提走資金的情形以及網路外部注入資金和向外部轉移資金情形下的利率變化規律,用lyapunov穩定性理論證明了模型衡解的穩定性;最後,還研究了具有時滯的金融網路利率?流通量方程模型,並給出了具有時滯金融網路的利率流通量方程具有周期解的充要
  11. Our treatment shows in the raman effect case, mnls solitons, the same as nls solitons, keeps its energy, initial center and initial phase unchanged. however, the raman effect, not the same as nls solitons. reduces its amplitude, widens its width and under the same conditions, the self - frequency shift of mnls soltions is closer to the result of numerical simulation. in the raman effect together with frequency filters case, mnls solitons, the same as nls solitons, keeps initial center and initial phase unchanged and bandwidth - limited frequency filters can make the mean frequency of mnls soltion stand a steady value at the red side of the initial mean frequency, i. e. suppress the self - frequency shift of mnls soltions. and that, the other physical parameters of mnls soltion last stand a steady value. however under the same conditions, the steady value of the mean frequency of mnls soltions is closer to the initial mean frequency and the result of numerical simulation

    有所不同的是, raman效應雖然不改變孤子能量,但會引起孤子峰值的下降和寬度變寬,且在同一下, mnls孤子微擾理論得到的自頻移比nls孤子微擾理論得到的更接近直接值計算結果。有限帶寬的頻率濾波也不引起mnls孤子初始中心、初始位相的改變,選取適當的頻率濾波器參值能使孤子的頻率穩定在初始頻率的紅側一穩定值,抑制了自頻移,而且孤子的各物理量最後都穩定在一穩定值,這些與nls孤子微擾理論都是類似的。有所不同的是,寬度為飛秒量級下, mnls孤子頻率的穩定值更接近初始頻率,更接近值計算結果。
  12. This paper also points out the consistency that can be generalized more than one dimension. so, we achieve the large sample property - consistency of this class of model on the fixed design. in this paper, for fixed design points xi ; under the assumption that the unknown function g is continuous function and the moment of random error exists and is finity, we discuss and show that the estimators n, gn and n2 for, g and 2 have strong consistency, p th - mean consistency for more general nonparametric weighted fuction

    本論文在x ;是固定設計的情況下,假定未知函9 ( ? )連續,對非參權函更為一般和基本,並對隨機誤差e ;的矩的要求有限,討論並證明了在這些下, p ; g ( ? )的估計量札lin ( ? )及誤差方差a 』的估計量枯相合性和叭三2 )階相合性
  13. Lastly, we discuss the energy - band structure of ultracold atoms in optical lattice by means of green function method and in addition, procure the superfluid - mott phase transition condition in mean - field approximation which is in agreement with the result in the literature

    最後利用格林函方法討論了光格子中超冷原子的能帶結構,根據mott相存在能隙的判據我們在場近似下重新得到superfluid - mott相變,該結論與相關文獻一致。
  14. When the axial speed varies harmonically about a constant mean one, the method of multiple scales is applied to the axially moving beam to determine the instability boundary due to parametric resonance

    當軸向運動速度在其常值附近作簡諧波動時,應用多尺度法給出軸向變速運動梁參共振時的不穩定
  15. The result shows that the time complexity of algorithm is linear with the increment of transaction if the average length of transaction and frequent itemsets is invariable, but it is inefficient to the increament of item average length ( including transaction length and frequent itemset length )

    結果表明:在事務長度和頻繁據項集一定下事務規模對演算法的時間復雜性影響是線性的;但演算法卻不能很好解決據項長度(事務和頻繁據項長度)增大對其性能的影響。
  16. Through investigating their index of growth and soil water content from april to october, observing their species composition in july and above - ground biomass in september, measuring seasonal changes of plant moisture stress, net photosynthesis rate, transpiration rate of s. viciifolia and hance, after analyzing all kind of data, the following conclusions can be drawn : 1

    主要結論如下: 1 、狼牙刺的株高在1 . 50m左右、冠幅約2 . 0 2 . 0m 、分枝約為4 . 45 。不同立地下,狼牙刺覆蓋度在50以上,加上林下草灌層在生長旺期總蓋度能達到70以上。
  17. Fifty nine accessions of soybean [ glycine max ( l. ) merr. ] of 301 ones from huanghuaihai and middle - lower changjiang valleys were tested at seedling stage in two years for their drought tolerance by using the mean membership index value averaged over those of plant height, leaf number, root dry weight, stem and leaf dry weight. 4 tolerant accessions ( rank 1 ) and 2 sensitive ones ( rank 5 ) were identified

    摘要從301份大豆品種中按根系類型選取黃淮海和長江中下游地區代表性材料59份,在苗期乾旱脅迫和非脅迫下對地上部和地下部性狀進行2年重復鑒定,發現材料間性狀隸屬函值具有豐富遺傳變異,以株高、葉齡、根干重和莖葉干重隸屬函的算術為抗旱綜合指標,從中篩選出漢中八月黃、晉豆14 、科豐1號、圓黑豆等強耐旱型( 1級)材料和臨河大粉青、寧海晚黃豆等乾旱敏感型( 5級)材料。
  18. 1 ) the number of sandstorm days from 12 weather stations in the helanshan zone is documented, indicating that the events can happen on the east and west sides of the ranges all the year round, with high frequencies in april to may, averaging 3. 2 and 3. 1 days on the west side, respectively and with the eastern high frequency in april, averaging 2. 0 days. also, analysis reveals that the high frequency period for eastern station yanchi and western guaizihu is april, with 5. 4 and 5. 2 days, on average, respectively

    銀川、巴音浩特和通古淖爾三地背景大氣沙塵氣溶膠粒子的濃度譜和質量濃度譜呈單峰型,服從對正態分佈,與城市污染物氣溶膠的三峰、雙峰質量譜明顯不同。浮塵、揚沙、沙塵暴天氣下,濃度和質量濃度是依次增加的,可相差4 - 7倍。沙塵氣溶膠粒子譜分佈還與地理位置有關。
  19. Where a general borrowing is used for the acquisition and construction or production of assets eligible for capitalization, the enterprise shall calculate and determine the to - be - capitalized amount of interests on the general borrowing by multiplying the weighted average asset disbursement of the part of the accumulative asset disbursements minus the general borrowing by the capitalization rate of the general borrowing used

    (二)為購建或者生產符合資本化的資產而佔用了一般借款的,企業應當根據累計資產支出超過專門借款部分的資產支出加權乘以所佔用一般借款的資本化率,計算確定一般借款應予資本化的利息金額。
  20. So, apart from meeting the criterion of exporting no sars case, we are approaching the second criterion of recording fewer than five cases in three consecutive days, " he said

    除了已符合無輸出個案至其他地方的外,我們亦快符合第二項:新個案連續三天的不超過五宗。
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