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- By associating the spin vector of the inhomogeneous generalized Heisenberg ferromagnet with the binormal to a moving curve in Minkowski space, the corresponding equivalent coupled inhomogeneous integrable equation is present. 通过将非均匀推广的海森堡铁磁链的自旋矢量取为闵可夫斯基空间中曲线的次法矢量,得到相应的耦合的非均匀可积方程。
- And many integrable equations arise naturally from motions of curve. 特别地,许多可积方程也都自然地产生于曲线的运动。
- In the case of non-magnetic substances there is only one integral equation. 在非磁性物质的情况下,只有一个积分方程。
- Straightforward algebra leads to the integral equation quoted above. 上面引用了简单代数的积分方程。
- XMDS is a code generator that integrates equations. XMDS是一个集成了方程式的代码生成器。
- The method was over ten times more rapid than the volumetric integral equation method. 缺陷的重构速度比用体积分方程法提高十倍以上。
- By the integral to boundary layer thickness and relative conditions, the momentum integral equation of boundary layer is obtained. 通过对边界层厚度的积分并利用相关条件,得到了边界层动量积分方程。
- Surface basis function of edge element is derived and implemented to discretize the integral equation in this paper. 提出并推导了任意表面棱边单元法的基函数 ,其特性和三维棱边单元法一样 ,保持切向分量连续。
- A set of boundary integral equation (BIE) with the unknown function of opening displacement is obtained. 利用周期性的条件,将问题归结为一个典型条带中含单个裂纹的问题,并推导出了以裂纹张开位移为未知函数的边界积分方程。
- In Chapter 2, the method of moment (MoM) and the electric field integral equation (EFIE) are introduced respectively. 第二章介绍了矩量法和电场积分方程。 采用分域基函数法求解基于全等效电流的电场积分方程。
- By discretizing the Green function and using CCGM-FFT to solve the integral equation. 通过将求解的格林函数方程离散化,应用CCGM-FFT法来进行数值求解。
- This interaction can be described by Fredholm integral equation of the first kind which is extremely unstable. 为在毫米波辐射探测中求得精确的真实目标亮温,必须建立天线电磁辐射与环境电磁辐射交会的数学模型。
- Oestreich[9] deal with an optimal control problem of such a type, however for a nonlinear singular integral equation. 在这个假设条件下,我们首先证明了状态方程解的存在唯一性和最优控制的存在性.
- With the Betti’s reciprocal work theorem, the boundary integral equation can be reduced. 并通过压电体的Betti互等定理构造边界积分方程;
- The proper value for Hammerstein type nonlinear integral equation [J].ACTA Math Sinica, 1977,20(2): 99-108. Hammerstein型非线性积分方程的固有值[J].;数学学报;1977;20(2):99-108
- The algorithm that solves weakly singular integral equation by Nystrom method is first discussed. 本文首先研究了Nystrom方法求解弱奇异积分方程的算法。
- The fast multipole method (FMM) and the Multilevel fast multipole algorithm (MLFMA) based on the method of moment (MOM) are the efficient algorithm for solving integral equation. 基于矩量法的快速多极子方法(FMM)和多层快速多极子方法(MLFMA)是积分方程的高效算法,其计算精度高,满足复杂目标散射特性分析的要求。
- According to the constitutive relationship in linear piezoceramics, elliptical crack problems in impermeable case are analyzed with hypersingular integral equation method. 摘要在线性压电陶瓷本构关系和裂纹边界绝缘的框架下,用超奇异积分方程的方法对椭圆类片状裂纹问题进行了重新研究。
- A model based on matrix doubling algorithm and advanced integral equation method was implemented for active remote sensing of vegetation. 根据矩阵耦合法(Matrix Doubling)和改进的积分方程模型(AIEM),实现了一种用于植被主动微波遥感的高阶辐射传输模型。
- This method and two traditional methods are analyzed by integral equations. 应用积分方法对这种方法与2种传统方法进行了比较分析。