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- fourth order parabolic equations 四阶抛物方程
- A Parallel Finite Difference Scheme for Fourth Order Parabolic Equations 四阶抛物方程的一个并行有限差分格式
- fourth order parabolic problem 四阶抛物方程
- fourth order parabolic equation 四阶抛物方程
- A finite difference method with accuracies of fourth order in space and second order in time is proposed for time-periodic solutions of a nonlinear parabolic boundary value problem. 摘要建立了一个用于求解非线性抛物型方程时间周期解的有限差分方法，在空间和时间方向上该方法分别具有四阶和两阶精度。
- The elastic moduli Eijlm represents a tensor of the fourth order. 弹性模数Eijlm表示一个四阶张量。
- On the first problem of a class of the second order parabolic systems of two variables and two unknown functions. 一类二阶两个自变数两个未知函数的抛物形方程组的第一问题。
- Concretely,the fourth order squeezing of the light field iis studied in detail. 我们详细研究了量子光场的四阶压缩特性,给出了四阶压缩的条件。
- Nonlinear parabolic equation of fourth order 四阶非线性抛物型方程
- In this paper, anisotropic nonconforming rotated Q1 element approximation to the second order parabolic equation on square meshes is discussed. 摘要在正方形网格上讨论了非协调旋转Q1元对二阶抛物方程的逼近。
- In this paper, the approximation of the second order parabolic equation is studied with the anisotropic biquadratic element. 摘要本文研究具有各向异性特征的双二次元对二阶抛物方程的逼近。
- In this paper we consider the initial-periodic-boundary problem of the following forth order parabolic Cahn-hilliard equation with constant rate of transitio. 本文用谱方法讨论如下形式的具常迁移率的四阶抛物型Cahn-hilliard方程的初边值问题。
- The chain consists of a dual-mode,highly linear,fourth order Chebyshev active RC filter and three VGA stages. 基带由双模的高线性度的四阶切比雪夫形式的有源RC低通滤波器以及三级可变增益放大器构成。
- The scattering of time-domain pulse by the ionosphere was calculated using a fourth order (FD)2TD scheme. 采用具有四阶精度的时域有限差分法计算了电离层对时域脉冲的散射，然后应用小波变换求出了反射信号的时频分布。
- The initial boundary value problem of fourth order wave equation with dispersive and dissipative terms is studied. 摘要研究具色散和耗散项的四阶波动方程的初边值问题。
- A set of nonlinear second order parabolic partial differential equations with initial-boundary values is approxinated by Crank-Nicholson difference method, and successfully solved by means of Loop-Iteration method. 本文在有限差分方法的基础上,应用循环迭代方法,成功地求解了一组非线性抛物型偏微分方程。
- It reduces the problem of solving double harmonic equation to the problem of solving the fourth order Euler equation by applying transformation. 这种方法是用变换将解重调和方程问题化简为解四阶欧拉方程问题
- On those points of fourth order lead which can not receiver the GPS signal, Leica TC1800 was used and achieved precision requirement. 在无法接收GPS信号的四等导线点按照常规方法利用TC1800测量，达到设计精度要求。
- This paper considers the finite difference method for a class of generalized fourth order dispersive and dissipative wave equation. 摘要研究了一类四阶非线性耗散、色散波动方程初边值问题的有限差分解法。
- Time is sometimes called the fourth dimension. 时间有时被称为第四度空间。
