FOURTH-ORDER相关论文
Based on fourth-order cumulant and ESPRIT algorithm, a novel joint frequency, two-dimensional angle of arrival (2D AOA) ......
A numerical solution of a fractional-order reaction-diffusion model is discussed.With the development of fractional-orde......
Existence of Positive Solutions for a Fourth-Order Three-Point BVP with Sign-Changing Green’s Functi
In this article, by using a fixed point theorem, we study following fourth-order three-point BVP:<br /> <img src="Edit_1......
The finite data estimates of the complex fourth-order moments of a signal consisting of random harmonics are analyzed. C......
利用临界点方法研究了一类四阶差分边值问题,分别得到了存在一个解和两个解的若干充分条件,展示了临界点理论在研究差分边值问题中......
This paper is devoted to Professor Benyu Guo's open question on the C1-conforming quadrilateral spectral element met......
二阶偏微分方程图像去噪方法在去除噪声同时保护边缘效果较好,但在平滑区会产生阶梯效应,而四阶方法可以消除阶梯效应,基于此提出......
通过Gamma随机过程描述机车轮缘与滚动圆直径的磨耗过程,研究了运用Copula函数和四阶矩方法计算轮缘退化与滚动圆直径退化的相关可......
In this paper,we study a coupled fourth-order system of Kirchhoff type.Under appropriate hypotheses of V_(i)(x)for i=1,2......
为非线性的方程解决根的一个第四顺序的集中方法，它是牛顿的方法 given.Its 集中性质的变体是 proved.It 是简单的根和一顺序集中附......
This paper investigates the existence of positive solutions for a fourth-order p-Laplacian nonlinear equation. We show t......
本文在一个特殊锥上利用不动点指数定理，得到了一类四阶奇异半正边值问题正解的存在性，并给出了一个例子作为对所获结果的应用，推广和......
设f：[0,1]×R2→R连续,λ〉0为常数,讨论四阶三点常微分方程：x（4）（t）-λxm（t）=f（t,x（t）,x″（t））x（0）=x（1）=0,x″（0）=0,x″（1）-ax″（η）=0边值问题的解的......
详细介绍了国家海洋环境预报中心发展的海上失事目标搜救应急预报系统。该系统基于四阶精度的拉格朗日漂移路径模型,以预报中心发......
重点讨论了四阶锁相频率合成器的环路滤波器的设计。环路滤波器主要采用有源比例积分滤波器，为获得更好的环路性能，采用了三阶环路滤......
A fourth-order degenerate parabolic equation with a viscous term: ?is studied with the initial-boundary conditions ux=wx......
Application of the Adomian Decomposition Method (ADM) for Solving the Singular Fourth-Order Paraboli
In this paper, the ADM method is used to construct the solution of the singular fourth-order partial differential equati......
High Accurate Fourth-Order Finite Difference Solutions of the Three Dimensional Poisson’s Equation i
In this work, by extending the method of Hockney into three dimensions, the Poisson’s equation in cylindrical coordinat......
In this work, we present a computational method for solving eigenvalue problems of fourth-order ordinary differential eq......
讨论四阶两点常微分方程边值问题的解的存在性;利用上下解方法,给出了解的存在性结果....
In this paper, we present a noise removal technique by combining the P-M model with the LLT model. The combined techniqu......
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NUMERICAL SOLUTIONS OF INCOMPRESSIBLE EULER AND NAVIER-STOKES EQUATIONS BY EFFICIENT DISCRETE SINGUL
An efficient discrete singular convolution(DSC)method is intro-duced to the numerical solutions of incompressible Euler ......
针对高斯色噪声中零均值、具有非零三谱信号,提出了一种基于四阶（互）累积量的自适应时延估计方法,并分析了算法的收敛性。该方法不仅......
In this paper the Schwarz alternating method for a fourth-order elliptic variational inequality problem is considered by......
Existence and Uniqueness of Positive Solutions for Fourth-Order Nonlinear Singular Sturm-Liouville P
By mixed monotone method, we establish the existence and uniqueness of positive solutions for fourth-order nonlinear sin......
Existence of Infinitely Many High Energy Solutions for a Fourth-Order Kirchhoff Type Elliptic Equati
In this paper, we consider the following fourth-order equation of Kirchhoff type<br /> <p> <img src="Edit_bcc9844d-7cbc-......
