In this paper the concept of extended periodic function is intraoduced.
首先引入广义周期函数的概念 ,然后给出了变系数一阶线性时滞微分方程的一个实用的可积充分判据 ,从而扩大了常微分方程的封闭求积范围 。
In this paper, some properties of general period for linear codes are studied and its algebraic structures are prelimnarily constructed.
对线性码广义周期的一些性质作了研究,初步建立了线性码广义周期的代数结构。
Some conclusions on periodic function;
关于周期函数的一些结果
By constructing periodic function, the periodic demand of Fourier transformation will be meeted.
该方法通过构造周期函数,满足了频域法中进行Fourier变换的周期性条件,从而克服了经典频域三点法中直线形状误差的非封闭性、非周期性以及端点的不连续而引起的高阶谐波分量失真等边缘效应。
We mainly use the Brouwer s theorem getting sufficient conditions for the existence of a unique asyptotically stable periodic solution to two competition species when the intrinsic growth rates are periodic functions of time.
利用不动点定理得到了两竞争物种当自然增长率为t的周期函数时唯一、稳定的正周期解存在的充分条
Under a first integral curve is genus 1,the period function of quadratic reversible systems is monotonious,through the research on the monotonicity of the period function of a class of quadratic reversible systems,by the use of the Picard-Fuchs equation method in this paper.
利用Picard-Fuchs方程,研究了一类二次可逆系统周期函数的单调性问题,获得了在首次积分曲线是亏格1时的二次可逆系统周期函数单调的结论。
This thesis of Master is composed of four chapters,which mainly studies several kinds of the second order nonlinear differential equations about the oscillatory and asymptotic behavior of solutions,the existence of limit cycles and the period function of a center.
本硕士论文由四章组成,主要讨论了几类二阶非线性微分方程解的振动性与渐近性,极限环的存在性以及中心的周期函数的单调性。
Firstly,the period function can be written as T(ρ,ε)=2π+(?)T_i(ρ)ε~i,andthen the formulas for T_i(ρ) is given.
讨论了一类平面多项式系统的周期函数的临界周期的个数。
Impulse Elimination Controllability of Periodically Time-varying Descriptor Systems;
广义周期时变系统的鲁棒消脉冲控制
Generalized periodic rings with a unique nonzero idempotent element
关于广义周期环的几个定理(英文)
Study of Stability Analysis and Related Control Problems for General Periodic Descriptor Systems;
一般广义周期系统的稳定性分析及相关控制问题研究
Research on Stability Analysis and Related Control Problems for Periodically Time-Varying Descriptor Systems;
广义周期系统的稳定性分析及相关控制问题研究
About the λ-period Distribution and the General λ-period Distribution of λ-cyclic Codes
关于λ-循环码的λ-周期分布和广义λ-周期分布
Periodic Wave Solutions for General Davey-Stewartson;
广义Davey-Stewartson方程的周期波解
Almost Periodic Solutions to a Class of Generalized Liénard Equations
一类广义Liénard方程的概周期解
Existence of Periodic Solutions of a Kind of Generalized Duffing-Type Equations
一类广义Duffing型方程周期解的存在性
A note on periodic solution for a kind of generalized Liénard equation
关于一类广义Liénard型方程的周期解注记
THE QUASI-PERIODIC BEHAVIOR IN THE CHAOTIC MOVEMENT OF THE GENERALIZED CHAU'S CIRCUIT WITH PERIODIC EXCITATION
周期激励下广义蔡氏电路混沌运动中的概周期行为
Generalized Conservation of Complex Power Technique for Solving the Characteristics of Periodic Dielectric Waveguide;
求解周期介质波导特性的广义复功率守恒技术
Existence and Uniquence of Periodic Solution of Diffusion Lotka-Volterra System;
一类广义具扩散Lokta-Volterra模型周期解的存在唯一性
The Hopf bifurcation periodic solution of a general Logistic model with time delay and interference
具有时滞和干扰的广义Logistic模型的Hopf分支周期解
Study on a Class of Whiteman-Generalized Cyclotomic Sequence with Length pq and Order Two
一类周期为pq阶为2的Whiteman广义分圆序列研究
A study of behaviors of generalized Kelvin-Voigt model under low freq uency cyclic load
低频周期荷载下广义Kelvin-Voigt模型特性研究
New Soliton Solutions and Periodic Wave Solutions with Cosine Function Form for the Generalized Pochhammer-Chree Equation
广义Pochhammer-Chree方程的新孤波解和余弦周期波解
The existence and uniqueness of the almost periodic solution for a generalized forced pendulum equation
一类广义受迫摆方程概周期解的存在唯一性
Almost Periodic Solutions to Generalized Sine-Gordon Equations with Method of Upper and Lower Solutions
一类广义Sine-Gordon方程概周期解的上下解证法