查询词典 hyperbolic

Chapter 2 considers an AD Galerkin method with moving finite element spacesfor a class of second-order hyperbolic equation.

第二章讨论一类二维二阶双曲型方程的交替方向变网格Galerkin有限元方法。

The solution to the one dimensional hyperbolic runoff equations and sediment equation are obtained respectively by using the characteristics method and finite difference method.

利用水力学原理建立了坡面降雨径流和土壤侵蚀模型，分别采用特征线法和有限差分法对径流量和土壤侵蚀量进行了求解，并针对具体降雨事件进行了模拟计算，计算结果与试验小区实测值基本一致。

The nonexistence of global weak solution to elliptic equation and the evolution equation, together with the nonexistence of local weak solution to hyperbolic equation is contained in this paper.

本文运用试验函数法研究了带有非局部源的偏微分方程的全局弱解的不存在性，内容包括椭圆方程、发展方程全局解的不存在性以及双曲型方程的局部弱解的不存在性。

In this paper, we used the regularization method and the best disturbed iteration to solve such more extensive equations: every kind of positive problems and inverse problems of the hyperbolic partial differential equation and parabolic equation. We give homologous methods to solve the positive problems and inverse problems of nonlinear Burgers equation and Boussinesq equation.

本文应用正则化方法和最佳摄动量法，解决了一类更广泛的双曲型和抛物型偏微分方程的各类正问题及反问题，对非线性的Burgers方程及Boussinesq方程的正问题及反问题，也给出了相应的求解方法。

A class of nonconforming finite elements are applied to hyperbolic equation with semidiscretization on anisotropic meshes, the optimal error estimates are derived.

摘要在各向异性条件下，讨论了双曲型方程的一类非协调有限元逼近，给出了半离散格式下的最优误差佑计。

The initial-boundary value problem for hyperbolic equation in one-dimensional domain with moving boundary is studied. The discrete time finite element approximation is suggested, and its stability is proved.

研究了具有变动边界的一维区域上的双曲型方程的初边值问题；提出一类全离散有限元逼近格式，并证明了格式的稳定性。

Chapter 4, gives hyperbolic function transformation method and its applications.

第四章讨论了双曲函数变法及其应用。

The control strategy based on hyperbolic function is proposed and relative mathematical model is built.

为此讨论了车辆变速行为的一般规律，提出基于双曲函数的车辆变速控制策略，建立了相应的数学模型，并针对实例进行了具体分析。

One good selection for the activation function is the hyperbolic tangent, or .

一个用于激活性能好选择是双曲正切或。

Based on CORDIC algorithm, research reveals how to calculate hyperbolic function by simple hardware.

研究基于CORDIC算法如何应用简单的硬件实现双曲正弦／余弦函数的计算。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。