均值函數 的英文怎麼說

中文拼音 [jūnzhíhánshǔ]
均值函數 英文
mean value function
  • : Ⅰ形容詞(均勻) equal; even Ⅱ副詞(都; 全) without exception; all
  • : 名詞1. [書面語] (匣; 封套) case; envelope 2. (信件) letter 3. (姓氏) a surname
  • : 數副詞(屢次) frequently; repeatedly
  • 均值 : [數學] mean value
  • 函數 : [數學] function函數計算機 function computer; 函數計算器 function calculator; 函數運算 functional operation
  1. 13 callan j p, connell m e, du a. automatic discovery of language models for text databases

    改進tfw - idfw權計算方法,並採用簡單的平持續改進候選網路語言模型。
  2. According to the variation, features of the integrand, the values of peaks and troughs are taken out and formed a slowly convergent series, and the repeated averaging scheme is performed to calculate the limit rapidly and accurately

    根據被積的變化特點,將波峰和波谷抽取出來組成慢收斂序列,利用重復平法快速而準確地求出其極限
  3. Parallel computation of disjoint products approach

    一個和它的的計算
  4. The influence of the cloud droplet spectrum character and the spectrum growth and change is considered, which does not use a cut - off value for conversion from cloud water into rain water process. in the continuous coalescence equation, the particles fall velocity difference is not moved out from the integral, but is integrated in the equation as the function of diameter d to avoid the error of using particles average fall velocity. in the new scheme, generation rate of graupel due to the collection of snow by graupel and the collection of cloud ice by graupel are included

    雲中凝結核ccn的濃度採用超幾何表示;雲水向雨水的自動轉換過程採用grabowski ( 1999 )的公式,考慮了雲滴譜的特徵和發展變化對該過程的影響,而不是採用原方案給定閾的方法描述該過程;對連續碰並方程不再將粒子落速差作為常量提出積分號外,而是直接作為粒子直徑在積分號內求解,這樣處理可以迴避使用粒子群的平落速帶來的誤差;增加了霰和雪、霰和冰晶的碰並微物理過程。
  5. Empirical distribution function of fatigue life based on harmonic mean

    基於調和的疲勞壽命經驗分佈
  6. For example, to find the harmonic mean of a data set, use the harmean function

    例如:要查找據集的調和平,請使用harmean
  7. A new osculatory rational interpolation kernel function is established, which is different from the classical linear interpolation kernel functions. generally, it is a more accurate approximation for the ideal interpolation function than other linear polynomial interpolants functions. simulation results are also presented to demonstrate the superior performance of this new interpolation kernel function

    本文構造了一個全新的圖像插?自適應切觸有理插,同現有的線性插相比,其空域特性和頻域特性最接近合肥工業大學博士論文理想插sinc
  8. Conclusion r1 represent pixel - value of original image range block, r represent mean - value of original image range block, d represent mean - value of original image domain block, d1 represent pixel - value of resumptive image domain block, d represent mean - value of resumptive image domain block. superior perfermance of resumptive image range block is obtained as compared to conventional creative function by one iteration, that is,

    ) , d _ i ( i = 1 , 2 , … , n )分別為某一恢復圖像定義域塊的和每一像素的像素,我們用傳統的和改進的生成分別進行一次迭代,則用改進的生成進行迭代的恢復圖像每一域塊的效果較好,即:
  9. Through the above researches, such conclusions were drawn that in the course of fitting the semivariogram of the yearly annual mean rice water sensitivity index in yunnan, the fitting precision of ordinary kriging spherecial model is better than others ; range at the direction of 80. 5 degree is outstanding than others ; as for the precision of interpolation, ordinary kriging spherecial model is higher than others

    研究表明:雲南水稻多年平水分敏感指標變異以普通克里金球狀模型擬合最優、 80 . 5度方向變程最大、插模型以普通克里金球狀模型插精度較高。
  10. The software will display the snr, fwhm and rms values found

    軟體將顯示它們的信噪比,點擴展方差
  11. This paper develops a deterministic inventory model for perishable items with a mixture of back orders and lost sales under inflation and time discounting, where the backlogged demand rate is dependent on the negative inventory level during the stock out period. the main differences from the existing related models are that the present model takes the maximum present value of profit in a repeatable order cycle as the objective function and proposes a more practical constraint of maximum customer - waiting time to ensure a proper customer service level. then the existence and the uniqueness of the solution to relevant systems are examined and a solution algorithm is shown to find the optimal replenishment policy. at last, some numerical examples are presented to illustrate the applicatioh of the model

    本文建立了一種考慮通貨膨脹與時間價的變質性物品的庫存模型,在模型中允許短缺發生且拖后的需求速率與在缺貨期間已經發生的缺貨量有關.和已有相關模型的主要區別在於本模型把一個可重復的訂貨周期內的最大平利潤的凈現作為目標,且增加了在缺貨期間最長顧客等待時間的限制,以確保庫存系統擁有較高的服務水平.然後討論了模型最優解的存在性與唯一性,並提供了尋求模型整體最優解的演算法.最後用實例說明了此模型在實際中的應用
  12. Determining the extreme values and extremal functions of the analytic functions on d = { z $ c : z < 1 } is very important in the principles of univalent functions. baernstein [ 2 ] gave the conclusion by using koebe function as the extremal function, glenn schober [ 6 ] studied the classes such as s, p, k, s * of h ( d ) and represented these functions with integral formulations. wang jian [ 3 ] and others investigated the integral mean values

    Baernstein首先在單位圓上討論給出了以koebe作為極的結論, glennschober對h ( d )中一些子類如s 、 p 、 k 、 s ~ *等作了研究,將這些子類上的用積分表達出來,王鍵結合baernstein ~ *的定義及glennschober的結論,定義了對稱集的概念並得出了一些類在其上的積分平
  13. By end of 1998, the nominal value of derivatives transactions had happened in the official exchange within 5 years increased from 7. 7 trillion u. s. dollars to 13. 5 trillion u. s. dollars, meanwhile, the nominal value of derivative securities ( otc ) increased from 8. 7 trillion u. s. dollars to 51 trillion u. s. dollars, then, the nominal value of unliquidated derivatives was total about 64 trillion u. s. dollars, and the academic field also emerged frontier science borrowing for the financial science, physics financial science, financial engineering, etc. 1973, black and scholes put forward the differential equation that any derivative securities prices based on any non - dividend paying stock must be satisfied, that is black - scholes differential equation

    Jamshidian . f在其1989年的文章中推導出零息債券的期權價格。奧托同樣在其1998年的論文中用統計物理學中的路徑積分方法推導出了基於零息債券為基礎的期權定價模型。本文在這些學者研究成果的基礎上,進行了更深層次的研究,在vasicek隨機模型的基礎上,打破上述學者及著名的black - scholes期權定價模型只能求解證券及其衍生產品價格平的限制,對零息債券和基於零息債券的期權的價格求解,並推導證券瞬時價格的分佈
  14. We make the following assumption for when 2 is positive definite matrix, different estimators about matrix of regression coefficients and inefficiency of least squares estimate have been discussed in many documents. considered 2 is nonnegative definite matrix, this thesis derives best linear unbiased estimate of parameter matrix b and estimable parameter function kbl under the meaning of matrix nonnegative definite and the property of maximum probability of blue is investigated. next, we discuss some necessary and sufficient conditions of the equality of the lse and blue, then we derive the estimation of the deviation bet - ween the least squares and the best linear unbias estimators of the mean matrix, meanwhile a relative efficiency of lse ofb is proposed and its bound is given

    當0時,眾多文獻討論了回歸系陣的各種估計及lse的有效性,本文考慮了當0的情形,給出了回歸系陣b及其可估參kbl的在矩陣非負定意義下的最優估計( blue ) ,研究了它的一個最大概率性質,並且討論了最小二乘估計成為最佳線性無偏估計的充分必要條件,在此基礎上給出了矩陣的最小二乘估計與blue的偏差估計,定義了lse相對于blue的一個相對效率,並給出了它的界。
  15. Based on the clustering property of the basis function of sparse coding, a basis function initialization method using fuzzy c mean algorithm is proposed to help the energy function of sparse coding to converge to a better local minimum for recognition. experimental results show that the classification and the sparseness of the features are both improved

    經過模糊c聚類初始化后的基能夠讓稀疏編碼的能量收斂到一個更有利於識別的局部最小點,試驗結果表明特徵的分類性和稀疏性都得到了提高。
  16. Abstract : bridge function and generalized bridge function are all three - valued function, and are made by initial sequence according as copied or shifted ways. they include some familiar orthogonal function of non - sine, such as walsh function. this paper briefly introduced some research advance on this subject, emphasized to introduce the copy theory and generalized copy method. the process of making ( generalized ) bridge function, its property and application, were introduced briefly

    文摘:橋和廣義橋為三系,都是將初始序列經復制方式和移位方式變換后而形成的.它們包括了一些常見的非正弦正交,如沃爾什和方波等.簡要介紹了近10年來北京航空航天大學通信與電子系統博士點在非正弦正交方面研究的一些新進展,重點介紹了復制理論和廣義復制方法,橋、廣義橋的復制生成方法、性質及其應用等專題
  17. The signal process function of the software include these function : digital filter, windowing, auto - correlation function and cross - correlation function, mean and variance, probability density function and probability distribution function statistic ; auto - power spectrum, cross - power spectrum, frequency response function, coherence function, cepstrum analysis based on fft ( fast fourier transfer ) ; joint time - frequency analysis based on stft ( short - time fourier transfer )

    軟體的處理功能包括:字濾波、時域加窗、自相關與互相關處理、和方差計算、概率密度和概率分佈計算;在快速傅立葉變換( fft )基礎上計算自功率譜、互功率譜、頻率響應、相干、倒頻譜分析;基於短時傅立葉變換( stft )的聯合時頻分析等。
  18. It is found that in the absence of dissipation and average photon number of the reservoir the linear entropies of the atom and the field varies with time periodically, going to zero at the disentanglement times, and the period is the same as that of bell function and the linear entropy of the total system is zero at any time. if the cavity dissipation and the average photon number of the reservoir is taken into account, the linear entropies of the atom and the field present local maxima and minima and the difference between them diminishes with time, tending to asymptotic values

    結果表明,在忽略腔損耗和熱庫的平光子時,原子和場的線性熵有周期性的變化,在沒有糾纏的時刻,為0 ,此時的周期與bell相同,而系統的線性熵在任何時刻都為0 ;如果考慮到腔場的損耗和熱庫的平光子,原子和場的線性熵有局部的最大和最小,它們之間的差距隨時間逐漸減小,趨向一個漸進
  19. After studying the relation of distributive function and density matrix, the electron energy is calculated in magnetic field according to the distributive function in the thermodynamic statistical physics and the density matrix average value principle in the quantum mechanics, respectively

    摘要研究正則系綜中的配分與密度矩陣的關系,分別採用熱力學統計物理中的配分和量子力學中的密度矩陣與平原理,計算電子在磁場中的能量。
  20. The average temperature of supply water and backwater only is single function of extraventricular temperature. so only it can reflect radiator ' s emitting heat, heat net supplying heat and user ' s heat load

    只有二次網供回水平溫度是室外溫度的單,即它能反映用戶熱負荷、散熱器散熱量、熱網供熱量的大小。
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