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- Existence and Uniqueness for a Second Order Elliptic System without Resonance 非共振二阶椭圆型方程解的存在唯一性
- fourth order elliptic equation 四阶椭圆方程
- THE SKEW DERIVATIVE PROBLEM FOR SECOND ORDER ELLIPTIC SYSTEMS OF E_2 CLASS E_2类二阶椭圆型方程组的斜微商问题
- The elastic moduli Eijlm represents a tensor of the fourth order. 弹性模数Eijlm表示一个四阶张量。
- A class of nonlinear boundary value problems for the first order elliptic systems with general form 一般形式的一阶椭圆方程组的一类非线性边值问题
- 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。
- The existence of weak solution for quasilinear elliptic system in the whole space is studied. 讨论了在全空间上拟线性椭圆型方程组的非平凡解的存在性。
- It is known that there are many methods to study the convexity for second order elliptic PDE. 摘要对于半线性二阶椭圆方程，已有多种方法研究其解的凸性。
- 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。
- Under some additional conditions this sector is a global attractor and the solution of the parabolic system converges to a true solution of the elliptic system. 一些额外的条件下这个部门是一个全球性的吸引和解决抛物线系统收敛于一个真正的解决椭圆系统。
- 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。
- In the second chapter, we present an additive Schwarz preconditioner for the rotated Q1 finite element discretization of second order elliptic problem. 我们在第二章中构造了求解用旋转Q1有限元离散椭圆型偏微分方程的区域分解方法。
- In this paper, a domain decomposition method is presented for the rotated Q1 finite element discretion of second order elliptic problem. 摘要文章构造了一种用旋转Q1有限元离散椭圆型偏微分方程的区域分解方法。
- 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。
- The approximation of the rotated Q1-element to a class of second order elliptic problems is studied and the superconvergence result is obtained on anisotropic meshes. 摘要研究了在各向异性网格下具有约束条件的旋转Q1元对二阶椭圆问题的有限元逼近并给出了其超收敛性分析。
- 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。
- We also extrapolate the expansion arid enhance the accuracy of the eigenvalue from the second order to the fourth order. 然后对误差展开式外推，收敛阶数可以从二阶提高到四阶，得到了高精度的解。
- In chapter 3, we study the existence of positive solution for quasilinear elliptic systems, and then obtain an application theorem for a special case system. 在第三章研究了拟线性椭圆型方程组正解的存在性，得到了关于一类特殊方程组解的存在性定理。
