quasi-function 中文意思是什麼

quasi-function 解釋
擬函數
  • quasi : adv 1 在某一意義上，有點，幾乎。2 恰如，宛如，就像是。3 就是說，即〈略作 q 或 qu 尤用以作語源上的...
  • function : n 1 功能，官能，機能，作用。2 〈常 pl 〉職務，職責。3 慶祝儀式；（盛大的）集會，宴會。4 【數學】...
  1. This paper describes the components and structure of advanced signaling system : automatic train control system ( atc ), analyzes the function and classification of its three subsystems : ats, atp and ato, with emphasis on currently widely adopted atc system - quasi - moving - block signaling system, which works on coded digit track circuit, and discusses the operating principles of coded digit track circuit and the features of train control of quasi - moving - block signaling system

    信號系統是確保城市軌道交通列車運行安全及提高運營效率的關鍵設備。本文詳細討論了應用於城市軌道交通的先進的信號系統? ?列車運行自動控制系統（ atc ）的組成和結構，對其三個子系統：列車自動監控系統ats 、列車自動保護系統atp 、列車自動運行系統ato的功能和分類進行了詳細分析和比較。
  2. Establishes of model of quasi - parabola regressive function model and parametric estimation

    偽拋物線回歸函數模型的建立與參數估計
  3. Under quasi - market condition, adjusting function of water rate lever is carried out

    水價杠桿的調節表現為水價系統聯系，並在水利工程供水內在規律的作用下呈現出區域特點。
  4. The equation for the quasi - continuous atom laser beam wave - function is given by schrodinger equation, the beam width, divergence curvature radius and quality factor were introduced to represent the atom laser beam whose transverse potential could be separated. for the conservative quality factor system in some direction, we can ge t the propagator of abcd formulation

    本文在含時量子系統傳播子的abcd形式理論的基礎上，引入某一方向的束寬、發散角、曲率半徑和品質因子等光束傳輸參數來表徵橫向勢能滿足x和y分量相互獨立的原子激光的傳輸。
  5. For the variables with greater gradient, a high - precision interpolating function, such as quasi - consistence hexahedral element method, is naturally necessary to be adopt

    開邊界給定方式宜採用速度dirichlet條件和流動壓力neumann條件，以利用壓力無反射條件，加快計算收斂速度。
  6. The verification of the algorithm is performed using a gauss - distributed concentration ball and a stock wave at steady flow in an open channel. the comparison with an analytical problem solution shows that the precision and the stability of quasi - consistence hexahedral element method is as good as that of consistence hexahedral element method, better than that of the linear interpolating function method

    6 、比較分析了網格布置形式對圓管流動和臺階突擴流動計算結果的影響后表明，應在物理量梯度變化較大的區域適當加密網格，才能較好地模擬這些區域的流動特性以及壁面對整個流動的影響。
  7. The solution algorithm involves tracing the characteristic lines backwards in time from a upwind element of an interior point. two advanced mehtods, quasi - consistence and consistence hexahedral element method, for three - dimensional advective problem are developed. and comparison of these two methods with linear interpolating function method is implemented

    當re 400時，流動明顯地具有二維性； re 800時，流動具有一定程度的三維性，而且出現了次迴流區； re 1000時，流動則具有明顯的三維性。
  8. Abstract : on the basis of equal probability principle, boltzmann statistics and ensemble statistics, this paper has derived the statistical distribution function on multimember system in the quasi - independent particles and obtained the equivalence between boltzmann statistics and ensemble statistics for multimember system

    文摘:利用平衡態統計物理的等概率原理，玻耳茲曼統計法和系綜統計法，導出在平衡狀態下多種近獨立粒子系統的粒子數分佈.結果表明，對于宏觀系統而言，玻耳茲曼統計和系綜統計是等價的
  9. The first aspect is about the distribution function for fermions in quasi - equilibrium qgp which is perturbed by the fluctuation of the color field. neglecting the affect of the spin and the collision between the particles in qgp, the distribution function for fermions in quasi - equilibrium qgp has been obtained. further more, the physical " basses that decide the departure factor are analyzed

    第一，從qgp動力論出發，忽略自旋和碰撞效應，得到qgp在色場漲落擾動下偏離平衡態而處于近平衡時的分佈函數的二級近似以及偏離因子的物理表示，進而分析了決定偏離因子的物理因素。
  10. With straton - chu intergral as the theoretical basis and by means of green ' s function in infinite uniform media, the electromagnetic shift describes the propagation process of quasi - stationary electromagnetic field in lower - half space

    電磁偏移以斯特萊頓朱型積分為理論基礎，藉助于無限均勻介質中的格林函數，描述了似穩電磁場在下半空間的傳播過程。
  11. Research on helium and quasi - helium ion ground state energy and wave function

    氦原子及類氦離子基態能量與波函數研究
  12. Using the theories of probability, algebra and number theory comprehensively, we investigate a class of boolean functions with three - valued walsh spectrum in the first part of this dissertation : the properties of the extended semi - bent functions, which are constructed from any two bent functions, are studied, followed by the structure characteristics of the boolean functions satisfying propagation criterion with respect to all but two vectors ; the definition and cryptographic properties of k - order quasi - bent functions are proposed whose walsh spectrum takes on only three values. some sufficient and necessary conditions are offered to decide whether a boolean function is a k - order quasi - bent function ; a special method is presented to construct the k - order quasi - bent functions, whose cryptographic properties are explored by the matrix method, which is different from the method of walsh spectrum and that of autocorrelation of boolean functions ; the application of this kind of boolean functions in the fields of stream cipher, communications and block ciphers is discussed, which shows the great importance of the fc - order quasi - bent functions ; some methodology are proposed to construct the k - order quasi - bent functions, including the complete construction by using the characteristic matrices of boolean functions, and the recursive method by two known k - order quasi - bent functions we further extend our investigation to the ring zp, where p is a prime, and the similar results are presented as far as the p - valued quasi - generalized - bent functions are considered

    本文首先綜合運用概率論、代數學、數論等基礎學科的理論知識，並以頻譜理論作為主要研究工具，對一類譜值分佈相對均勻的函數? ?廣半bent函數、 k階擬bent函數和p值k階擬廣義bent函數進行了系統、深入的研究，給出了廣半bent函數定義，並探討了廣半bent函數的密碼學性質；給出了k階擬bent函數和p值k階擬廣義bent函數的定義及等價判別條件；討論了k階擬bent函數和p值k階擬廣義bent函數與部分bent函數和p值廣義部分bent函數的關系，探討了它們的密碼學性質；給出了k階擬bent函數和p值k階擬廣義bent函數的典型構造方法，並將對k階擬bent函數的密碼性質的研究轉化到對一類特殊的矩陣的研究上；利用布爾函數的特徵矩陣原則上給出了k階擬bent函數的一種完全構造方法，還給出了從已有的p值k階擬廣義bent函數出發，遞歸構造變元個數更多的p值k階擬廣義bent函數的方法；初步探討了k階擬bent函數在序列密碼、分組密碼以及通信中的應用；給出了一類布爾函數walsh譜的分解式，並利用這類布爾函數的walsh譜分解式給出了一類近似穩定的布爾函數的構造，特殊情形下為k階擬bent函數；利用代數數論的知識考察了p值k階擬廣義bent函數的譜特徵，並給出了k階擬廣義bent函數與所有仿射函數的符合率特徵等等。
  13. 6. since the monitor precision of quasi - dynamic calibration system is very important, the model of the four channel electric pressure - measuring system in frequency domain is built up. the cause of variance is analyzed. the error function of the system is defined and the formula of correcting the system error is derived

    6由於落錘液壓動標裝置校準系統的校準壓力監測精度極為重要，本文對四路電測壓力系統進行頻域建模，分析了產生不一致的原因，定義了系統的誤差函數及推導了統一誤差模型的修正公式。
  14. Using the conic function model local approximation, w. cdavidon ( 1980 ) proposed a class of iterative algorithms with modified matrix combining function value, furthermore under the theory d. c. sorensen has used local quadratic approximation method, then applying collinear scaling idea improving on the above algorithm and generalizing it, getting a class of collinear scaling algorithm, unifying former quasi - newton. in the paper, using local quadratic approximation method, the first, constructing the new collinear scaling gene, getting a class of the new collinear scaling algorithm with briefness and numerical stability, ., we discusses some properties of the algorithm and its local linear convergence, q - superlinear convergence and the whole convergence ; secondly we have made numerical experimentation and numerical analysis ; the last, we have done much discussion for collinear scaling idea and given the several new collinear scaling algorithm

    本文的工作就是基於局部二次逼近原理，首先通過構造新的共線調比因子，得到了一類新的更簡潔，數值穩定性更好的共線調比演算法，進而我們給出了本共線調比演算法的局部收斂性，全局收斂性以及演算法q -超線性速度的理論證明；其次，用經典的無約束優化五大考核函數就本共線調比演算法進行了數值試驗和數值分析；最後，就局部二次逼近思想，進行共線調比演算法思想進行更廣泛的討論，給出了幾個新共線調比演算法。
  15. Nonlinear transfer function improving the period property of quasi - chaotic digital filters

    非線性轉移函數對濾波器結構混沌信號周期特性的改善
  16. This paper gives some equivalent conditions of quasi - concave function

    摘要本文給出了與擬凹函數定義等價的幾種條件，並加以證明。
  17. As the junction of fiscal and monetarial policy, the nb has the double function ; regarding with the tax, as sort of fiscal revenue, and with the liquditlity, rate of interest, as sort of quasi - monetary

    一方面為財政支出籌集資金，這就涉及了國債與稅收之間關系；另一方面國債做為一種「準貨幣」 ，這又就涉及到了流動性、利率以及對貨幣量擴張的影響。
  18. Here based on the kinetic theory, we have mainly discussed the distribution function of the component particles in qgp which is in quasi - equilibrium. our discussion can be divided into two aspects

    Jtwa碩士學位論文w一步m僅盯e廠stiesis本篇論文的工作就是研究近平衡態下qgp成分粒子分佈函數的特性。
  19. Actually the " quasi - credit - account card " is a product with the chinese characteristics, which adds some functions of over - drawing on the basis of the debit card. its operation and function cannot be compared with the credit card in the international pra ctice

    事實上，準貸記卡是具有中國特色的產品，它只是在借記卡的基礎上增加了些許透支功能，其經營理念、運作規則、功能特徵都與國際通用的信用卡不可同日而語。
  20. This chapter proposes three conceptions, i. e., kernelled quasidiferential, star - kernel and star - diferential, and establishes their operational properties. a sufficient theorem and a sufficent and necessity theorem for a quasi - kernel being a kernelled quasidiferential are proven. both the existence of star - kernel for a quasidiferentiable function and the existence of star - differential for a direnction - ally diferentiable function are established

    在這一章里，首先給出核擬微分，星核與星微分的定義及其它們的運算性質；然後證明了擬核微分的一個充分條件定理及一個充要條件定理；最後討論擬可微函數星核的存在性及方向可微函數星微分的存在性以及penot -微分與上下導數之間的關系。
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