It's proved that the field line on r-z plane of cylindrical coordinates is the line of equa-( rA_8). 文中证明三维场在圆柱坐标系下r&z平面的磁力线即为等(rA(?)
The paper establish the global Holder gradient estimates for solutions of the nonlinear oblique derivative problems for second order fully nonlinear elliptic equa-tions, which equations and boundary conditions need not be bounded or differentiable. The approach is based on Caffarelli's perturbation method. 用Caffarelli的扰动思想建立了二阶完全非线性椭圆方程非线性斜导数问题强解的整体Holder梯度估计,其中方程和边界条件不必是有界或可微的。
The optimum detector still consists of K correlators. However, the K reference signals are no longer the solutions of K independent integral equa-tions but the solution of a group of K simultaneous integral equations. 指出最佳检测器仍由K重相关器(或匹配滤波器)组成,但其K个本地参考信号,不再是由求解K个独立的积分方程解出,而是由求解一K元联立积分方程组解出。
The linear differential system is reduced to solving algebraic equa-tions by using the operational matrix. The algebraic equations are solved to evaluate the numerical solution of the linear differential system. 并用它表示试函数,通过运算矩阵,将线性微分方程组归结为线性代数方程组,求出微分方程组的数值解。
The Kane's equations to the relative motion for mechanical systems with variable mass were given and on the basiss of which some differential equa-tions of relative motion for systems of having variable mass were deduced. 本文给出变质量力学系统相对运动的Kane方程,并由此导出变质量非完整系统相对运动的若干运动微分方程。
The second order closure of equa tions in the dynamics model for marine plankton ecosystems was formulated and it s simple formulation that second order relative terms were expresses by eight sy stems of two algebra equations was suggested thereby. 本文给出了海洋浮游生态系统连续介质动力学模型方程的湍流二阶闭合过程的推导,在此基础上进行了简化,最终以8组两两联立代数方程的形式表达了生态动力学二阶相关项的关系。
On Solutions of Backward Stochastic Differential Equations With Jumps, With Unbounded Stopping Times as Terminal and With Non-Lipschitz Coefficients, and Probabilistic Interpretation of Quasi-Linear Elliptic Type Integro-Differential Equa 无界停时终端非李氏系数带跳倒向随机微分方程的解及拟线性椭圆型偏微分积分方程解的概率表示
In this paper, the governing differential equations for carbon monoxide concentration in human lung are obtained by applying one dimensional convection and diffusion equa-tion. 从一维气体在肺内的传输和扩散方程出发,得到了一氧化碳气体浓度控制方程。
It is difficult to consider the exact dynamic effect of irregular waves on an isolated pile by spectral method if the drag force has to be taken into co-sideration, because the drag force is nonlinear according to Morison's Equa-tion. 按莫里逊方程计算孤立桩柱上的波浪力时,因其速度力是非线性的,当它需要考虑时,难于用谱法确切地考虑不规则波浪的动力作用。
The trial result of physical model shows that the wave equa-tion method for prestack full migration is feasible for real seismic data processing. 对物理模型试算的结果表明,本文提出的叠前全偏移波动方程法是可行的,并能用于实际地震资料的处理。
At each iteration, a search direction is obtained by solving four systems of linear equa-tions with the same coefficient matrix. 在算法的每一个迭代步,为得到搜索方向,只需求解四个系数相同的线性方程组。