A phase shift system based on SOGI ( Second-Order Generalized Integrator) is developed. 然后构造了基于二阶广义积分器的移相系统。
When the second-order and fourth-order dispersions are respectively positive and negative, no modulation instability occurs. 当二阶和四阶色散分别为正和负时,无调制不稳定性;
Classical mathematical equations is the large number of second-order linear partial differential equations. 经典的数理方程大量的是二阶线性偏微分方程。
The second-order convergence and stability of the scheme are proved with energy method. 用能量估计法证明了格式的稳定性及二阶收敛性;
The second-order approximate solution of P-doped cascaded Raman fiber lasers were obtained by nonlinear method. 利用非线性方法可以得到级联掺磷拉曼光纤激光器的二阶近似解。
The principal resonance of a second-order stochastic oscillator under combined harmonic and random parametric excitations is investigated. 研究了二阶线性系统在谐和与随机噪声联合作用下的主共振响应和稳定性问题。
The second-order active band pass filter is designed to remove power frequency noise. 设计了用于滤除工频噪声的二阶有源带通滤波器;
In this paper we investigate the existence and multiplicity of positive radial solutions for a class of nonlinear second-order elliptic systems on annular domains. 证明了环域上一类非线性椭圆方程奇异边值问题在中径向正解的存在性和唯一性。
It ′ s shown that the fourth-order nonlinear evolution equations admit a class of second-order generalized conditional symmetry. 讨论了允许二阶广义条件对称的四阶非线性发展方程。
An important case is the linear homogeneous second-order differential equation with constant coefficients. 一种重要的情形是常系数二阶线性齐次微分方程。
This paper introduces the difficult assistant teaching software of circuit and its application in the transient state analysis of second-order linear dynamic circuit. 介绍了电路疑难辅助教学软件,并对其在二阶线性动态电路暂态分析中的应用进行了阐述。
The existence and uniqueness about semilinear second-order differential equation are established by using global inverse function theorems. 本文利用整体反函数理论,研究了半线性二阶微分方程周期边值问题,给出了周期解存在唯一性的充分条件。
The paper studies the second-order effects and stability problem of the reinforced concrete hinged column and frame column. 本文对铰支柱和框架柱的二阶效应问题进行了较全面的研究。
Monotone Iterative Technique for Periodic Boundary Value Problems of Second-order Impulsive Functional Differential Equations 脉冲泛函微分方程的稳定性与有界性二阶脉冲泛函微分方程周期边值问题的单调迭代法
In this paper, we study the existence of positive solutions to second-order nonlinear ordinary differential equations by using fixed point theorem in cones and Green's function. 本文主要运用锥不动点定理和格林函数研究二阶非线性常微分方程组正解的存在性。
The solution and positive solution are considered for a class of second-order quasilinear equations with first derivative, where the nonlinear term is allowed to be singular. 考察了一类含有一阶导数的二阶拟线性方程的解和正解,其中允许非线性项是奇异的。
A physical quantity that is transformed in this manner is a second-order tensor. 能够以此种方式变换的物理量叫做二秩张量。
In the model analysis, it is found that the second-order model of slope corresponds with horizontal vibration. 在模态分析时发现,边坡的第二阶固有频率所对应的振型为水平向振动。
The evolution regularity of the second-order correlation function and average coincidence counting rate are obtained by numerical calculation. 数值计算得到了二阶相关函数及平均符合计数率的演化规律。
The third-order ghost imaging with the second-order intensity correlation is theoretically and experimentally demonstrated. 本文利用二阶光强度关联方法从理论和实验上实现了三阶“鬼”成像技术。
The solution of the set of second-order linear differential equations depends on the eigenvalues of A. 二阶线性微分方程组(6.10)的解依赖于A的特征值。
They are not second-order approximations, but are exact for any amount of deformation. 它们不是二次近似,而是对任何变形量都成立的精确表达式。
On modifying coefficients of first-order upwind scheme and second-order eno local lax-friedrich scheme 一阶迎风和二阶ENOLocalLax-Friedrich格式的修正系数研究
Underactuated manipulator system is a typical second-order nonholonomic dynamic systems and isn tan entirely controllable system. 欠驱动机械臂系统是一种典型的二阶非完整约束动力学系统,属于非完全可控系统。
High-pass filter ( HPF) have a common passive high-pass filter and second-order high-pass filter. 常见的有无源高通滤波器和二阶高通滤波器。
Second-order evolution equations with time-varying generating operators and optimal controls 带时变生成算子的二阶发展方程和最优控制
This paper studies the existence of monotone positive solutions to a type of three point boundary value problems of nonlinear second-order differential equations. 利用范数形式的锥上不动点定理,研究了一类二阶微分方程三点边值问题单调正解的存在性。
Firstly, the second-order vibration equations can be rewritten one order state-space equations. 先将二阶振动微分方程改写为一阶状态方程;
A new nonlinear filter to use second-order interpolation formula is constructed. 应用多维情形的二阶插值公式构造新型非线性滤波器。
It's a second-order equation in x, and is a parabola and a parabola has this shape. 这是一个x的二次方程,也是一个抛物线方程式,抛物线都长这样。