Poincaré相关论文
The main purpose of this paper is to show that the Poincaré <em>q</em>-polynomials admit a representation in terms of t......
This paper proves an index theorem of Toeplitz tuples on pseudoregular domains in Cn. Geometrically, the index of Toepli......
在[1]中蒋茂森用分划和事件为互不相容事件之和的办法直观地证明了Poincare’公式:P((?)A_i)=sum from i=1 to n(P(A_i))-sum for......
This paper adopts free interface modal synthesis method to divide the whole automobile model into many sub-structures an......
We study dynamics of the forced modulation-doped GaAs/AIGaAs heterostructure de-vices . The coupled differential equatio......
A hyperbolic Lindstedt-Poincare method for homoclinic motion of a kind of strongly nonlinear autonom
A hyperbolic Lindstedt-Poincare method ispresented to determine the homoclinic solutions of a kindof nonlinear oscillat......
The target characteristic polarization state in the co-polarized channel for the coherent case was studied in greater de......
This paper presents the investigation on the two-stop-two-slip (TSTS) motions in a dry friction oscillator.Friction is a......
Fluctuating polarization state-of-light in the optical loop is an important factor that seriously influences the output ......
We examine an energy harvesting system of two magnetopiezoelastic oscillators coupled by electric circuit and driven by ......
Numerical simulation results are presented for a drift-diffusion rate equation model which describes electronic transpor......
本文根据摄动理论中的Plindstedt——Poincare方法,提出了一种在规则边界面上具有弧立突体的湍流场计算新方法,即在突体附近的规则......
The influence of the linear birefringence on magneto-optical property measurement for optical fibers is investigated the......
A computational fluid dynamics (CFD) method is developed to investigate the radical motion of single cavitating bubble i......
庞加莱(H.Poincare,1854.4.29-1912.7.17),法国数学家、物理学家。庞加莱是十九世纪末二十世纪初国际数学界的领袖人物,是一位对数......
This thesis expounds the relation and distinction between innovation and creation. Then it puts stress on discussion of ......
党中央号召我们学习科学发展观.本刊是数学杂志.所以我们在此谈一位数学大师希尔伯特(D·Hilbert)的数学发展观.
The Central Par......
以典型的单自由度齿轮扭转振动系统为研究对象,对系统的非光滑动力学特性进行细致研究。定义瞬时接触面和零相位面为Poincaré截面......
In this paper,the incremental harmonic balance method is employed to solve the periodic solution that a vibration active......
计及材料的非线性弹性和粘性性质，研究了悬臂梁在自由端受随动载荷作用时的混沌运动，导出了相应的非线性动力方程，利用Ｍｅｌｎｉｋｏｖ函数法，结合Ｐｏｉｎｃａｒｅ映射......
Employing the Poincare index of isolated null-points in a vector field, we worked out a mathematical method of searching......
庞加莱(H．Poincare,1854．4．29-1912．7．17),法国数学家、物理学家．庞加莱是十九世纪末二十世纪初国际数学界的领袖人物,是一位对数学及其......
A Planar Poincar Chart which describes the polarized state of light and its change as it through a polarized device is ......
The dynamic response of the non-linear elastic simply supported beam subjected to axialforces and transverse periodic l......
为了解正常犬心率变异（ＨＲＶ）的特征，以便在此基础上作各种病理模型的前瞻性ＨＲＶ研究。取健康成年杂种犬２０只，自由活动下记录２４ｈ心电图。ＨＲＶ分析采用时域......
The influence of rock anisotropy on elliptical-polarization state of inhomogenously refracted P-wave
This paper discusses the influence of the anisotropy parameters on elliptical-polarization of the inhomogenously refract......
Torsional vibration generally causes serious instability and damage problems in many rotating machinery parts.The global......
关于平面同(异)宿环的稳定性已有不少结果(见冯贝叶,中国科学,A辑,1991,(7):673—684),然而迄今为止对于三维系统尚无任何这方面的......
本文先对符号运算系纺(又称计算机代数系统)的特性与功能作简要叙述,然后介绍用 REDUCE系统作振动分析,例如自动建立精确和近似的......
通过引入Ｐｏｉｎｃａｒｅ映射的思想，给出一种适用于高维非线性周期非自治动力系统全局特性分析的基于Ｐｏｉｎｃａｒｅ映射的胞映射方法，并通过分析比较，说明传统的胞......
对含间隙的平面连杆机构进行了动力学建模，并采用Ｐｏｉｎｃａｒｅ映射的方法研究了含间隙机构动力学行为的混沌现象，发现了含间隙机构的动力学响应存......
The nonlinear dynamic behaviors of flexible rotor system with hydrodynamic bearing supports are analyzed. The shaft is m......
The periodic window is researched by means of the symbolic dynamics and formal language. Firstly, the proper sampling pe......
The main purpose of nonlinear time series analysis is based on the rebuilding theory of phase space, and to study how to......
由于碰撞质量时变性的存在,振动磨系统呈现非线性特征。根据混沌运动的判别标准——相空间、Poincare 映射、功率谱及 Lyapunov 指......
Ce sujet est trop vaste pour qu’il puisse etre question de letraiter dans cette courte causerie. Je ne puis que vons su......
LINEAR WAVES IN ROTATIONAL HOMOGENEOUS FLUID WITH UNIFORM WATER DEPTH Ⅱ. POSSIBLE WAVES FILTERED OUT
In the first part of our studies, the unified solutions of existing waves have been obtained by using the linear wave e......
CHARACTER OF SIMPLIFIED NAVIER-STOKES EQUATIONS FOR NEAR THE LEADING EDGE PART OF TWO-DIMENSIONAL LA
Starting from the Simplified Navier-Stokes(SNS)equations presented at first by Godovachev-Kuzmin-Tsopov,and Gao Zhi,Davi......
本文探讨非线性声速分布、内波扰动、和海底反射对哈密顿抛物射线方程动力学行为的影响。运用Poincare映象、Lyapunov指数等非线性......
在分析冷连轧机辊系振动时垂直与水平两个方向轧制力的相互影响与轧机实际机械结构的基础上,建立了动态轧制力影响下的多自由度冷......
本文提出了一个用于庞加莱球(Poincare (?)phere)方法最佳化超扭曲液晶显示器件参数的线性条件,我们应用这个线性条件用庞加莱球方......
本文针对极化测量过程中干扰和噪声对接收效果的影响，提出一种极化轨道约束下的变极化接收方法，以改卷接收系统的SINR（信号干扰噪声比......
现代数值试验结果表明混沌动力系统的Poincare映射具有分形维数.然而,根据经典维数论Poincare映射根本不可能是分形的.为了解决这......
本文介绍了实际单模光导纤维中存在的模式偏振效应(双折射效应),着重解释了偏振状态(Sop)的Poincafe＇球描述方法及其特点。并对这方......
A new technology of lightning location is described, which is based on detecting the state of polarization (SOP) fluctua......
