查询词典 spheroidal harmonic function

In the paper,by using Fourier Series,basic harmonic balancing approximation and optimum numerical iterration,the response computation of a two-degrees-of-freedom dry friction damped vibration absorber system with velocith-dependent variable coefficient of sliding friction under harmonic excitation is discussed.

研究了两自由度滑动摩擦系数随相对速度变化的干摩擦吸振系统简谐激励响应计算问题，提出了最优化处理方法，并推导了相应的迭代方程。

When there is one harmonic source in electric power system, the harmonic component could be derivable.

当电力系统中只有一个谐波源时，各点的谐波电压可以方便的求出。

For nonlinear harmonic oscillators, we close the flow equations and acquired an explicit expression of energy-level. For nonlinear-coupled harmonic oscillators, we close the flow equations and diagonalize the Hamiltonian by numerical analysis methods.

对非线性谐振子系统，计算出系统参数随流参数变化的一组方程及系统的能级；对耦合的非线性谐振子系统，得出系统参数随流参数变化的一组非线性方程，数值分析对角化了系统。

In this paper, we extend the A-harmonic e equation from the constant differential form which values in zero to any differential form, that is p-harmonic type equation.

在本文中，我们主要是把A-调和方程从取特殊值0的常微分形式推广到任意给定的微分形式，即p-调和类型方程。

At last, in Section 3, we calculate the Pohozaev identity for p-harmonic equation under Navier or Dirichlet boundary condition from which we obtain the corresponding nonexistence of nontrivial solutions for p-harmonic equations with critical growth.

最后在第三节中，我们分别对带Navier边值条件和Dirichlet边值条件的p-调和方程的Pohozaev恒等式作了演算，并利用这些恒等式得到了相应的p-调和方程临界增长问题的非平凡解的非存在性结果。

And the efficiency of rectification , power factor, harmonic and non harmonic current are discussed.

介绍有色金属冶金过程中使用的大功率整流设备的基本要求。

It is an active method that elimination or reducing the harmonic of the utilities by itself, and is superior to the harmonic compensation.

各国学者从电路拓扑、控制策略和建模分析等角度进行了深入研究，然而现有的模型和驱动方式尚不够完善。

Firstly, according to the Laplace equation of ellipsoidal coordinates and the ellipsoidal harmonic functions in common use, the ellipsoidal series expansion of harmonic functions outside the referential ellipsoidal is introduced.

论文首先从椭球坐标的Laplace方程和常用的椭球谐函数出发，介绍了参考椭球面外调和函数的椭球谐级数展开。

The appearance of active power filter provides equipment support for the compensation of harmonic current and reactive current, and the real-time and exaction performance of harmonic current detection in active power

有源滤波器的出现为谐波电流和无功电流的综合补偿提供了设备支持，在有源滤波器中谐波电流检测部分的实时性和精确性至关重要。

As a result, we must study his harmonic theory first in order to know the formation and development of tonality harmonic theory.

因此，我们要研究近代调性和声理论的形成与发展，首先需要对拉莫的和声理论作一探讨。

Foods high in this vitamin include oily fish such as salmon, tuna and, and fish liver oils.

维生素D含量高的食物包括诸如大麻哈鱼、金枪鱼和鲭鱼之类的油鱼以及鱼肝油。

We need you to cosign our public letter demanding that press intimidation cease immediately, and that all charges be dropped.

我们需要您cosign我们的公共信，要求记者立即停止恐吓，并要求所有收费下降。