quasi-differential 中文意思是什麼

quasi-differential 解釋
擬微分
  • 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...
  • differential : adj 1 差別的，區別的；特定的。2 【數學】微分的。3 【物、機】差動的，差速的，差示的。n 1 （鐵路不...
  1. The convert and evolution course of periodical response, quasi - periodical response, double - periodical bifurcation, chaos of the system response is analyzed. ( 3 ). it is deduced that the general differential equation of bending - torsional - pendular coupling vibration about rotor with the gyroscopic moment

    （ 3 ）推導了一般意義下，考慮陀螺力矩的單盤轉子彎扭擺耦合振動非線性方程，基於該方程，推出了不平衡轉子和碰摩轉子的非線性彎扭擺耦合振動方程。
  2. Secondly we study the properties of moment generating functions of probability measures, calculate its sub - differential by the convex analysis, use it to characterize the quasi - symmetric probability

    本文研究了概率測度的矩母函數的性質，用凸分析的方法算出了矩母函數的次微分，並用此完全刻畫了c . j . stone提出的擬對稱概率測度的性質。
  3. A new numerical algorithm integrating a quasi - analytic numerical algorithm with the gear numerical algorithm is used to solve the ordinary differential equations with stiff problem. to accelerate the solving of ode, the optimum step method is introduced into the composite numerical algorithm

    針對重整反應模型方程的特殊結構和剛性問題，提出了一種形式更簡單方便的近似解析數值演算法和吉爾法相結合的混合數值演算法，並引入了最優步長方法。
  4. Using the difference method and quasi - linearization method, the nonlinear differential equations, which include ten basic unknown functions in all, are reduced to a sequence of quasi - linear differential equations, which can be solved by the method of discrete orthogonalization

    採用差分及準線性化方法，將含有10個基本未知函數的偏微分方程組，變換成能用離散正交法編程求解的準線性微分方程組。
  5. Abstract : the purpose of this paper is to investigate the decay behavior and dynamics of a quasilinear partial differential equations with nonlocal boundary conditions which is motivated by model problems, arising from quasi - state thermoelasticity, etc. by constructing an upper solution of the problem, a decay estimate for the solution is obtained

    文摘:本文討論一類源於擬靜態熱彈性力學和控制理論等領域的邊值問題，通過構造適當的上下解得到擬線性方程解的衰減估計
  6. The non - existence of radially non - increasing positive solutions is derived for a system of quasi - linear elliptic differential equations first of all

    摘要首先得到一類擬線性橢圓型方程組正解的先驗界估計和衰減性質，從而推出該方程組的徑向非增正對稱解的不存在性結果。
  7. Abstract : the paper proposes a mathematical model of a / d converter with quantizing error, nonlinearity and differential nonlinearity errors for computer simulation, and based on the model, the errors caused by voltage change, current change and phase change in the power measurement are analyzed by computer simulation for both the asynchronous and quasi - synchronous sampling algorithms

    文摘:本文提出了具有量化誤差、非線性誤差和微分非線性誤差的a / d轉換器的數學模型，在該數學模型的基礎上，模擬分析了非同步采樣法、準同步采樣遞推演算法各種情況下的誤差，包括功率測量中電壓線性、電流線性、相位變化誤差及電壓測量的誤差。
  8. This paper studies the corner layer behavior in quasi linear systems with turning points. under the appropriate conditions and by usin g the theory of differential inequality, the existence of the solution and its c omponentwise uniformly valid asymptotic estimation are obtained when the reduced solution does not have a continuous first - derivative in some point of ( 0, 1 )

    奇攝動轉向點問題是來自量子力學及其他物理力學中的重要問題，特別對非線性系統的轉向點問題，已有的結果甚少，文章研究一類具有轉向點的擬線性系統的角層現象，在適當的假設條件下，利用微分不等式方法證明了當其退化解在（ 0 ， 1 ）內某些點上一階導數不連續時解的存在性，並得到了解的按分量的一致有效的漸近估計。
  9. 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。
  10. The quantizing error, linear error and differential linear error of an a / d converter were deduced, after that the error model of synchronous sampling, asynchronous sampling and quasi - synchronous sampling algorithms used in power measurement were build in condition that a / d was not perfect

    推導了a / d量化誤差、非線性及微分非線性誤差的數學模型。然後，建立了采樣功率測量同步采樣演算法、非同步采樣演算法和準同步采樣演算法在非理想情況下的計算機模擬模型。
  11. The quasi - weak convergence in c [ a, b ] is studied and applied to the boundary - value problems in the nonlinear ordinary differential equations without the assumption of the continuity, compactness and convexity

    摘要研究了連續函數空間中凹（凸）函數列的擬弱收斂性，並應用於沒有連續性緊性和凹凸性假定的二階常微分方程的邊值問題。
  12. In the first part of this paper, resorting to the idea of hadamard principle value and induction, we discuss the inductive definition, existence of hadamard principle value, recursive formula, computation formula, differential formula on the sense of hadamard principle value for several kinds of quasi - bochner - martinelli - type high order singular integrals with one singular point

    本文藉助于高階奇異積分的hadamard主值的思想以及歸納法的思想，在第一部分討論了幾類含一個奇點的擬bochner - martinelli型高階奇異積分的歸納定義， hadmard主值的存在性，遞推公式，計算公式，以及在hadamard主值意義下的微分公式。
  13. We use genetic programming to optimize the the right hand functions of the ordinary differential equations. adaptive quasi - monte carlo optimization methods are used to optimize the coefficients of the functions

    我們用遺傳程序設計方法優化常微分方程右端的函數，用自適應擬蒙特卡羅優化方法優化函數中的系數。
  14. The calculated double differential cross section of the new model is compared with experimental data and previous scdw calculations with single particle model. the calculated cross sections are larger than those given by previous calculations at backword and forward angles and smaller than those given by previous calculations near the quasi - elastic scattering ( qes ) angle. the agreement with experimental data is much improved

    新模型的雙微分截面計算結果與實驗值以及以前採用單粒子殼層模型時的計算結果進行了比較，表明cdfm模型的引入對scdw模型的計算結果有較大的改進，使其在大角度和極小角度區域有所增大，在準彈性散射角附近有所減小，從而能更好地與實驗值相符合。
  15. The delay can affect the existence and stability of solutions as well as leads to the periodic, quasi - periodic and more complex phenomena. so it is more difficult to study the partial differential equations with delay

    時滯可影響方程解的存在性、穩定性，可導致周期、擬周期等更為復雜的現象，因而在研究上更加困難。
  16. The aim of this study is to develop a wavelet stochastic finite element method to be applied in solving partial difference equations. this work includes 5 sections as follows : a. the properties of quasi shannon wavelet was studied in this paper, and a wavelet collocation method for partial differential equations was conducted

    該工作主要由以下五部分構成：第一、研究了擬shannon小波的性質，構造了求解偏微分方程的擬shannon小波配置法，同時將外推法引入小波配置法，進一步改善了該方法的計算效率和計算精度。
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