difference equations 中文意思是什麼

difference equations 解釋
差分方程
  • difference : n. 1. 差異,差別。2. 不和,爭論。3. 【數學】差,差額。4. 【邏輯學】特殊性。vt. 〈罕用語〉區別,使有差別。
  • equations : 方程式
  1. Parallel algorithms of accelerative iteration for solving implicit difference equations

    求解隱式差分方程的加速迭代并行演算法
  2. The difference equations derived will now contain integrals with respect to time because of the convolutions involved.

    由於包含卷積,所推導的差分方程包括對時間的積分。
  3. We present existence theorem for pseudo almost periodic solutions with piecewise constant argument by means of unique decomposite character and for pseudo almost periodic sequence solutions of relevent difference equations

    摘要利用偽概周期函數唯一分解性質,研究相關差分方程的偽概周期序列解,並以此為工具得出一類帶逐段常變量微分方程偽概周期解的存在唯一性。
  4. Previous chapters have dealt with the derivation of systems of difference equations.

    前面幾章已經論述了差分方程組的推導。
  5. Based on a duralumin flexible beam with piezoelectric films attached, distributed parameter modal described by partial difference equations is builded, and then turned into a set of two order systems with the method of modal analyse. state feedback control and independent modal control is investigated. and simulation of the closed - loop system with thest two methods is performed in matlab

    並用模態分析的方法,將系統的偏微分方程模型轉化成了模態模型;研究了狀態反饋和獨立模態方法;進一步完善了軟體界面以及軟體功能;在實際系統中,應用狀態反饋演算法,有效抑制了懸臂梁在受到外界瞬時脈沖擾動和激振引起的一階、二階模態振動。
  6. Linearized oscillation of neutral difference equations with continuous variable

    具連續變量中立型差分方程的線性振動性
  7. A formula to solve the initial value problem of homogeneous linear differential equations with constant coefficients is given and a formula to solve the homogeneous linear difference equations with constant coefficients under certain conditions is derived

    摘要給出了常系數齊次線性微分方程組初值問題的一個求解公式,並由此推出常系數齊次線性差分方程組在給定的初始條件下的一個求解公式。
  8. Based on the output - voltage error function, a novel time discrete modulation technique is proposed for matrix converters ( mcs ) and time - discrete difference equations of a mc circuit are derived

    摘要針對矩陣變換器調制方式的特點,提出了基於輸出電壓誤差函數分析的矩陣變換器離散調制技術,推導了基於時間離散和差分原理的電路方程。
  9. First, we reviewed the finite - difference time - domain yee ' s method. the difference equations, the stability condition, numerical dispersion characteristics, absorbing boundary conditions, incident wave source conditions and the calculation of the frequency - dependent scattering parameters are discussed

    首先本文回顧了時域有限差分yee演算法,包括時域有限差分的差分方程、穩定性條件、數值色散特性、吸收邊界條件,激勵源的設置以及散射參數的計算等。
  10. It plays a very important role in many application, according to the point of mathematics point, its mostly application originate from equations of mathematical physics, difference equations, markov process, and so on, its purpose is to solve the problems of solid, fluid, electromagnetic, microscopic particles, system control, and etc. in practical science research and engineer applications, such as, architecture project, research of aeronautics and astronautics, bioscience, computing physics and oil reconnoiter, many large scale generalized eigenvalue problems need to be solved

    它在很多應用中扮演非常重要的角色,從數學角度來看,矩陣特徵值問題的應用大多來自數學物理方程、差分方程、 markov過程等。目的是為了計算固體、流體、電磁、微觀粒子、系統控制等重大問題。在實際的科學研究與工程應用中,比如在建築工程、航空航天研究、生物科學、計算物理以及石油勘探中,都要涉及到大規模矩陣廣義特徵值問題的計算。
  11. An example shows that some of these results have important applications in difference equations

    並給出一個例子,說明其中有些結果在差分方程中有重要的應用。
  12. In order to describe the actual working processes of dielectric barrier discharge ( dbd ) circuit, an analysis model of differential - difference equations was presented, based on the working modes of full bridge serial load resonant dbd circuit, which was adopted with phase shifting control

    摘要為描述介質阻擋放電型臭氧發生器電路的實際工作過程,在分析一種移相全橋脈寬調制下串聯負載諧振電源供電的臭氧發生器電路的基礎上,提出了採用微分差分方程來描述電路的工作過程,並給出了電路可能的工作軌跡。
  13. Positive solution of neutral partial difference equations

    中立型偏差分方程的正解
  14. ( 3 ) in terms of flowing characteristic of drilling fluids on the roller screen, the flowing equations at the axis direction and the tangent direction and the flowing through the screen, and the continuously flowing equation of drilling fluids are built. the characteristic - difference equations of flowing model for drilling fluids are given and the theoretical analysis is made

    ( 3 )根據鉆井液在筒式篩網上的流動特點,建立了筒式篩網上鉆井液沿軸線方向流動、周向流動和透篩流動的流動方程,以及鉆井液的連續流動方程,利用特徵線法寫出了筒式網上鉆井液流動模型的特徵差分方程,並作了理論分析。
  15. The stability for difference equation is maily considered in chapter 3, where, in section 1, a new method, called " semicycle analysis method ", is introduced to investigate global asymptotic stability of rational difference equations, and which is different from the existing ways, originates from the authors " trying to solve a conjecture presented in " journal of difference equations and applications " with respect to the global asymptotic stability of a detailed rational difference equation, and which can be used to solve the global asymptotic stability of a kind of rational difference equations which are very difficult to be solved in the methods in the kno, n literature

    第三章我們主要研究了差分方程的穩定性。在第一節中介紹了一種新的方法,稱之謂「半環分析法」 ,研究有理型差分方程的全局漸近穩定性;這種方法有別于已知方法,產生於作者試圖解決國際期刊《 journalofdifferenceequationsandapplications 》上提的關於一個具體的有理型差分方程的全局漸近穩定性的猜想時;這種方法可以應用來解決一類有理型差分方程的全局漸近穩定性,且所考慮的問題很難用已有文獻中的方法解決。
  16. Positive solutions of boundary value problems for n - order difference equations

    階差分方程邊值問題的正解
  17. Positive solutions of second order difference equations with positive and negative coefficients

    具正負系數二階差分方程的正解
  18. Asymptotic behavior of solutions of higher order nonlinear difference equations

    高階非線性變時滯差分方程解的漸近性
  19. On the basis of theory analysis for controller system, the difference equations fit for digital controller are exported from the analog pid

    在對控制系統進行理論分析的基礎上,從模擬pid控制器推導出適合數字控制的差分方程。
  20. It seems that the strong interest in the differential equations with piecewise constant argument is motivated by the fact that they describe hybrid dynamical systems which is a combination of the properties of both differential and difference equations. there have been many pa - pers ( such as [ 7 ] ~ [ 15 ] ) concerning these equations

    由於具逐段常變量的微分方程是連續和離散動力系統的混合形式,它既具有微分方程的性質也具有差分方程的性質,從而引起廣泛的興趣,研究此類方程的文獻並不少見,如[ 7 ] [ 15 ] 。
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