• 抛物方程方法已经广泛地应用于电磁波传播模型成为解决电磁波传播问题主要工具

    The parabolic equation method has been used widely in the electromagnetic wave propagation model and becomes the main tool to resolve the problem of electromagnetic wave propagation.

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  • 方法综合考虑真实环境因素影响采用抛物方程方法最后给出了雷达最大探测范围模型的建立表现方法

    In this method, the effect of most real environment factors is considered with parabolic equation. Finally, the method of building and rendering 3d model of radar maximum detection range is given.

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  • 本文单调性方法研究一个拟线性抛物方程问题得到了该反问题的唯一性稳定性

    In the paper, author has studied the inverse problem about a class of quasi-linear partial differential equations of parabolic type by monotone method, proved uniqueness and stability.

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  • 本文采用引进积分方法讨论一类半线性抛物方程柯西问题唯一性稳定性

    This paper by introducing integral deals with the uniqueness and stability of solution of the Cauchy problem to a form of semi-linear parabolic equation.

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  • 在一类定性条件应用对数凸性方法证明抛物方程问题具有平均稳定性

    Applying Logrithmic convex method, an average stability for the inverse parabolic problem with final observation is constructed under suitable correctness condition.

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  • 抛物线形缓坡方程波浪数学模型进行范围波浪计算有效方法

    Wave mathematical model of parabolic gentle slope equation is an effective method for calculating waves of wide scope.

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  • 采用针尖抛物模型给出表面生成的负离子针尖飞行动力学方程,并用数值方法求解

    Adopting paraboloid model of tip surface, presented the dynamics equation of negative ion flight in tip field and solve it with numerical method.

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  • 研究非线性延迟抛物微分方程交替方向差分方法

    The alternating direction difference method for the two-dimensional nonlinear delay parabolic differential equation is given.

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  • 提出求解中立抛物方程边值问题交替分组显式迭代方法

    The alternating group explicit iterative method for solving the neutral parabolic equation with initial boundary conditions is given.

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  • 该文抛物稳定性方程出发,采用从上游往下游递推数值方法,对非平行边界层稳定性问题进行数值计算分析。

    Based on parabolized stability equations, the stability of nonparallel boundary layer is calculated and analyzed by using recursion numerical method.

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  • 方法利用加莱截面、李雅普·诺夫指数关联工具分别抛物方程椭圆方程非线性动力学行为进行描述。

    Methods Nonlinear dynamical behavior of both parabolic equation and elliptic equation were investigated by several tools such as Poincare section, Lyapunov exponent, and correlation dimension.

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  • 方法求解二维抛物方程有效方法,必将得到更广泛的应用。

    So this method is effective in soluting two-dimensional parabolic equation and can be widely used.

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  • 第二章上下方法研究耦合线性抛物方程组的动力学行为给出了解的渐近行为

    The dynamics of coupled systems of semilinear parabolic equations are investigated using the method of upper and lower solutions. The asymptotic behavior of the solutio is given.

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  • 波浪辐射应力抛物缓坡方程中的待求变量联系起来提出了一种计算辐射应力的方法,并用有限差分法对控制方程进行数值求解

    A new method for the solution of wave radiation stresses is proposed by linking wave radiation stresses with the variables in the parabolic mild-slope equation.

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  • 本文我们采用扩展混合有限元方法混合体积元方法数值模拟二阶线性抛物型积分微分方程和二阶拟线性抛物问题

    In this paper , we consider the Expanded Mixed Finite Element Method and mixed covolume method for the quasilinear parabolic integro-differential equation and quasilinear parabolic problem.

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  • 基于参数方程,推导出了CNC系统抛物线插补方法算法进行了实时性和误差分析。

    Based on the parametric equation, an interpolation algorithm for parabola in CNC system is proposed, interpolation time and error are analyzed.

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  • 第一章研究了一类二阶抛物方程一种数值方法-再生函数法。

    In Chapter One, a new method of approximating the solution of second-order parabolic system using reproducing kernel function is devised.

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  • 主要运用能量方法稳定集不稳定集观点,研究一类半线性抛物方程整体局部解的存在性及爆破问题。

    In this paper, we are concerned with the existence of global solutions or local solutions and blowup of one kind of semilinear heat equation.

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  • 应用上、下证明非线性退缩抛物方程问题存在唯一性

    Thfi existence and uniqueness theorems of weak solutions of initial-boundary value problems for nonlinear degenerate parabolic systems were established by lower-upper solution method.

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  • 采用极为有效抛物稳定性方程(PSE)方法研究边界层的非平行稳定性。

    A new method of the parabolic stability equations (PSE) is used to study the nonparallelism of the boundary layer stability.

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  • 本文一类非线性抛物方程提出对称修正有限体积方法给出能量误差估计证明对称修正有限体积元方法的解与一般有限体积元方法的解之差是个更高阶项。

    In this paper, we present a kind of symmetric modified finite volume element method for nonlinear parabolic problems, and give the optimal order energy norm error estimates for full discrete schemes.

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  • 一类典型抛物问题——热传导方程研究矩形网格上质量集中有限元方法的有关性质。

    In this paper, the exact solution and approximate solution of the boundary control problem for a class of the heat-conduction equation are given.

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  • 本文讨论了解抛物方程分组显式(age)方法给出了该法几种分数长法实验模型的数值比较结果。

    In this paper, we discuss the method of Alternating Group Explicit (AGE) for solving 2-d parabolic equation, and give out the results of AGE method comparing with several fractional step methods.

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  • 本文运用正则化方法证明一类退化抛物方程存在唯一性,讨论了解全局存在性爆破在一定的初值条件下得到了解的爆破速率

    In this paper, we establish the local existence and uniqueness of the solution by using regularization method. We also obtain the global existence and nonexistence. Finally, we get the blow-up rate.

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  • 本文运用正则化方法证明一类退化抛物方程存在唯一性,讨论了解全局存在性爆破在一定的初值条件下得到了解的爆破速率

    In this paper, we establish the local existence and uniqueness of the solution by using regularization method. We also obtain the global existence and nonexistence. Finally, we get the blow-up rate.

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