質量分佈函數 的英文怎麼說

中文拼音 [zhíliángfēnbùhánshǔ]
質量分佈函數 英文
mass distribution function
  • 質 : Ⅰ名詞1 （性質; 本質） nature; character; essence 2 （質量） quality 3 （物質） matter; substance;...
  • 量 : 量動1. （度量） measure 2. （估量） estimate; size up
  • 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
  • 函 : 名詞1. [書面語] （匣; 封套） case; envelope 2. （信件） letter 3. （姓氏） a surname
  • 數 : 數副詞（屢次） frequently; repeatedly
  • 質量 : 1 [物理學] mass 2 （產品或工作的優劣程度） quality 3 economy （離子源的）; 質量標準 quality level...
  • 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. Given the initial conditions including ( 1 ) number density distribution in space which has the similar form to the present day ones, ( 2 ) both the power law and gaussian mass functions for clusters, and ( 3 ) two different velocity distributions which one has a constant dispersion and the other is described by the eddington formula, the dynamical evolution of globular clusters in our milky way galaxy is investigated in detail by means of monte carlo simulations

    本文採用與觀測結果具有相同形式的球狀星團空間密度分佈函數，在給定兩種球狀星團系統的初始質量譜（冪律的和對數高斯的）和兩種球狀星團系統的初始速度分佈函數（愛丁頓速度分佈函數和常數的速度彌散度）條件下，我們採用montecarlo的方法對球狀星團系統的動力學演化進行討論。
  2. On the bases of the galaxy evolution theory, we use the therotical chemical evolution model of three zone ( such as halo, thick disk and thin isk ) and multi - phase ( diffuse gas, molecular clouds, stars of both low and high mass, the remnants ). by comparing with the observational constraints, such assurface densities, age - metallicity relation, g - dwarf metallicity distribution in the solar neighbourhood and the correlation between [ a / fe ] and [ fe / h ], supernovae rates, infall rates. the rationality of the model is verified. based on the theory model, we calculate the abundance of neutron capture element

    本文正是在銀河系化學演化的基礎上，利用銀河系的三成分（ threezone ） （即暈、厚盤和薄盤）多相（ multi - phase ） （氣體，分子云，大、小質量恆星以及剩餘物質）的化學演化的理論模型，通過與觀測約束（質量面密度、場星的年齡-金屬豐度關系、太陽附近g矮星金屬含量分佈函數、三成份的特徵量、元素的星系化學演化、超新星的爆炸率、內落速率等）的比較，來檢驗模型的合理性。
  3. ( 1 ) the posterior distribution of the coefficient matrix, the precision matrix and covariance matrix, and their bayesian estimation under the matrix normal - wishart conjugate prior distribution. ( 2 ) the deduction of the predictive distribution, proved to be matrix t distribution. ( 3 ) the designs of bayesian multivariate mean value control charts in terms of the relationship between the multivariate wishart distribution and x2 distribution, the bayesian process capability index and its confidence lower limi

    通過多方程模型系統的統計結構，證明了矩陣正態? wishart先驗分佈是模型參數（ ， ）的共軛先驗分佈，研究了該先驗分佈下模型系數矩陣、精度陣和協方差陣的后驗分佈及其貝葉斯估計，對模型預報密度函數進行了嚴格的數學推導，並將其應用於多元質量控制領域，構造了貝葉斯均值向量聯合控制圖；結合wishart分佈與x ~ 2分佈之間的關系，設計與推斷了貝葉斯多指標過程能力指數及其貝葉斯置信下限。
  4. Based on the count of failure in the samplers, this paper analyzes the weak link of the quality of domestic automobile products. with the help of mathematical statistics and automobile reliability theory, we get the failure law of bus, truck and car of the domestic automobile industry and their failure distribution function, reliability function, probability density function, and failure rate function. accordingly, the present situation of reliability in domestic automobile products is expounded

    本文通過對樣車的故障進行統計，分析了我國汽車產品質量的薄弱環節，並藉助數理統計手段和汽車可靠性理論，得出了國產客車、載貨汽車以及轎車的故障規律和相應的故障分佈函數、可靠度函數、故障密度函數及故障率函數，論述了國產汽車產品的可靠性現狀。
  5. The main contributions of the second part of this dissertation are focused on the cryptographic properties of logical functions over finite field, with the help of the properties of trace functions, and that of p - polynomials, as well as the permutation theory over finite field : the new definition of chrestenson linear spectrum is given and the relation between the new chrestenson linear spectrum and the chrestenson cyclic spectrum is presented, followed by the inverse formula of logical function over finite field ; the distribution for linear structures of the logical functions over finite field is discussed and the complete construction of logical functions taking on all vectors as linear structures is suggested, which leads to the conception of the extended affine functions over finite field, whose cryptographic properties is similar to that of the affine functions over field gf ( 2 ) and prime field fp ; the relationship between the degeneration of logical functions and the linear structures, the degeneration of logical functions and the support of chrestenson spectrum, as well as the relation between the nonlinearity and the linear structures are discussed ; using the relation of the logical functions over finite field and the vector logical functions over its prime field, we reveal the relationship between the perfect nonlinear functions over finite field and the vector generalized bent functions over its prime field ; the existence or not of the perfect nonlinear functions with any variables over any finite fields is offered, and some methods are proposed to construct the perfect nonlinear functions by using the balanced p - polynomials over finite field

    重新定義了有限域上邏輯函數的chrestenson線性譜，考察了新定義的chrestenson線性譜和原來的chrestenson循環譜的關系，並利用一組對偶基給出了有限域上邏輯函數的反演公式；給出了有限域上隨機變量聯合分佈的分解式，並利用隨機變量聯合分佈的分解式對有限域上邏輯函數的密碼性質進行了研究；給出了有限域上邏輯函數與相應素域上向量邏輯函數的關系，探討了它們之間密碼性質的聯系，如平衡性，相關免疫性，擴散性，線性結構以及非線性度等；討論了有限域上邏輯函數各類線性結構之間的關系，並給出了任意點都是線性結構的邏輯函數的全部構造，由此引出了有限域上的「泛仿射函數」的概念；考察了有限域上邏輯函數的退化性與線性結構的關系、退化性與chrestenson譜支集的關系；給出了有限域邏輯函數非線性度的定義，利用有限域上邏輯函數的非線性度與相應素域上向量邏輯函數非線性度的關系，考察了有限域上邏輯函數的非線性度與線性結構的關系；利用有限域上邏輯函數與相信息工程大學博士學位論文應素域上向量邏輯函數的關系，揭示了有限域上的廣義bent函數與相應素域上的廣義bent函數的關系，以及有限域上的完全非線性函數與相應素域上向量廣義bent函數之間的關系;給出了任意有限域上任意。
  6. The number density distribution of globular cluster in space will change with time due to the dynamic evolution, especially for those in the central region of the galaxy ; 5. for the power law initial cluster mass function, the peak value of the mass function after the dynamic evolution is sensitive to the lower limit of the initial mass function we adopt. the suggested value in this paper is - 104m, which is consistent with that reduced from the dynamical analyses for the giant molecular clouds

    對于冪率的初始質量譜，球狀星團系統動力學演化后質量分佈的轉折點質量主要是由初始質量函數的質量下限決定的，最為適合的值為10 ~ 4m _ ；冪率的初始質量譜的譜指數對球狀星團系統動力學演化后質量分佈的轉折點質量也有影響，其最佳值為1 . 5 2 . 0 ；經過大約5gyr的動力學演化，冪率的初始質量譜就會演化成為高斯的對數質量分佈並具有在隨后的動力學演化中保持對數高斯形式質量分佈的特性。
  7. Comparing with the current observations, which include the number density distribution in space, mass function, etc., the so - called standard modes for both the power law and gaussian cluster initial mass functions are selected among many runs of simulations. the deviation from the standard modes, which is resulted from the change of the parameter for the initial conditions, is discussed in detail. the discussion of the model parameters is also presented although they are adopted as the typical values based on previous work

    對應一定的初始分佈我們發現無論是冪律的還是對數高斯的球狀星團初始質量譜經過長時間的動力學演化都會得到和現在銀河系觀測到的球狀星團系統相符的對數高斯的質量分佈；動力學演化會明顯地改變球狀星團系統的空間密度分佈，靠近銀心區域的球狀星團瓦解得更多；經過動力學演化后的球狀星團速度分佈函數在靠近銀心的區域明顯得不同於初始分佈，初始擁有較大軌道偏心率的球狀星團更容易瓦解。
  8. The loading effects of the atmosphere are the sum of the direct effect, which comes from its newtonian attraction to any point on the surface or within the interior of the earth, and the indirect effects, which is induced by the earth ' s deformation and additional gravitational potential arising from redistribution of the mass because it can be regarded as the surface loads. they are traditionally expressed as the convolution integration of the atmospheric green ' s function, which is virtually the sum of the elastic and gravitational green ' s functions, and the measured values of the barometric pressure on the earth ' s surface over the globe

    隨著現代大地測量技術和數據分析手段的日益提高，大氣對各類物理場地表觀測的負荷影響必須予以考慮，大氣的負荷效應為直接效應（大氣對地球表面及內部點產生直接吸引）和間接效應（大氣作為表面負荷作用於地球，導致地球的彈性形變和內部質量的重新分佈，產生附加位）之和，習慣上表示為大氣格林函數（彈性項和直接引力項格林函數之和）和地表氣壓觀測值的全球褶積積分
  9. The bivariate poisson models of contingent claim times about the homogeneous portfolios are studied, and an independent condition of the two variables is proved, and then the mixed bivariate poisson models of contingent claim times about the heterogeneous portfolios with dependent risks are studied, and the last, the optimum bms formula about the heterogeneous portfolios with dependent risks are reached

    研究了同質風險相依條件下的二元poisson索賠次數模型，得到了二元poisson索賠次數模型獨立的充分必要條件同時研究了非同質風險相依條件下二元混合poisson索賠次數模型，得到了相應的非同質風險保單組合的索賠次數模型為雙變量負二項分佈的概率函數在此基礎上將保險精算中的最優bms由獨立情形推廣到了風險相依的情形，並得到了相應的最優bms的計算公式。
  10. So a computer - aided alignment method for a series of reference lens is studied in detail in this paper. based on analyzing the optical quality affecting factors and optical design, the folio wings are described in detail in this paper : ( 1 ) how to choose merit function of optical quality in terms of the specific reference lens, and sensitive structure parameters to optical quality would be determined according to their tolerance data ; ( 2 ) discussing the relationship between the aberrations and the misalignment of reference lens ; ( 3 ) building the mathematical model for the misalignment optical system, and then calculating the misalignment value by the alignment software compiled on zemax and matlab platforms ; ( 4 ) experiments are made to examine the computer - aided alignment method. the theoretical and experimental data and plots are given in the paper

    本文在分析標準球面透鏡的設計及其光學質量的影響因素基礎上，開展了以下四個方面的研究： （ 1 ）根據系列標準球面透鏡的具體結構特點，選擇透鏡的質量評價指標，研究標準球面透鏡的公差分佈，確定敏感結構參數； （ 2 ）研究光學質量評價指標與失調量之間的函數關系； （ 3 ）建立數學物理模型，根據球面波的實測結果，求解待調系統的失調方位和量值，研究原理上實現計算機輔助裝調的可能性，在zemax和matlab平臺上編寫輔助裝調軟體； （ 4 ）建立實驗裝置，實際研究標準球面透鏡的計算機輔助裝調方法，文中給出相應的理論分析及實驗數據和曲線。
  11. The global normalized ants - seed pheromone update rule is presented to ensure that the sum of the pheromone distributed over the construction graph is a constant, in addition, the normalized mechanism solves the problem of pheromone initialization and avoids the influence of the scale of the quality function of the solution

    本章還提出了一種全局歸一化的的螞蟻種子信息素更新規則，該規則能保證分佈在整個解構造圖上的信息素的總量保持恆定，同時解決了信息素初始化的問題以及消除了解質量函數的量綱對演算法性能的影響。
  12. Mass distribution function

    質量分佈函數
  13. ( 4 ) the basic principle of maximal entropy is used to a cosmic gravitational system and we find that the observed result of two - point and three - point galaxy correlation functions in the universe is agree with an equilibrium assumption of mass distribution. a generalized statistical mechanics is also utilized to improve our result

    （ 4 ）利用最大熵的統計物理原理證明宇宙中星系的兩點和三點相關函數與質量分佈的平衡假設是一致的；同時，利用廣義統計力學進一步改進了我們的結論。
  14. Secondly, functional derivation is employed to analyze the two - dimensional colored noise in the third order laser model with dispersive medium. the stationary intensity distribution is derived. the variation of the most probable intensity with pump parameter and noise intensity correlation time is investigated

    其次從色散型介質中三次激光模型出發，通過泛函導數，應用小近似計算兩維色噪聲，得到激光場定態強度分佈，研究了定態強度分佈的極值點隨抽運參量和強度噪聲相關時間的變化情況。
  15. To a portfolio of life policies of one kind, we study the limiting distribution and strong law of large numbers of the average lost of policies, and simulation

    對於一組性質相同的壽險保單，我們研究了當保單數量趨于無窮時，保單平均成本的極限分佈和強大數定律，並用隨機模擬和非參數估計的方法給出了極限分佈的分佈函數表。
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