查询词典 harmonic function

Power factor correction technology is an effective method of restraining harmonic currents and increasing power factor, which has been attended more and more in recent years.

功率因数校正技术是抑制谐波电流、提高功率因数的行之有效的方法，近年来受到了越来越多的关注。

Good input character, including good harmonic restrain ability and high power factor corrector is a very important purpose to show the high performance and high efficiency of UPS.

良好的输入特性，包括高谐波抑制能力和高功率因数是体现UPS 高性能、高效率的一个非常重要的指标。

To further improve frequency convener s performance,perfect phase-controlled theory and reduce voltage wave-shape s harmonic component,based on cosine interpenetration law the paper presents symmetry cosine law to better trigger points.

为了进一步改善变频器的性能，完善相控理论，减少输出电压波形的谐波成份，在余弦交截法的基础上，提出了用对称余弦法对触发点进行优化。

The other is the difference of the original wind and the harmonic part, which is the solution of Poisson equation with homogeneous boundary condition and can be expanded into double Fourierism cosine series.

第一部分是Laplace方程在给定边界条件下的解，由于Laplace方程的解是调和函数，这个部分可称为调和部分，又因为其与区域内部值无关，也称外部部分。

A counter example of an arbitrary number of independent nucleons in the anisotropic harmonic oscillator potential at the equilibrium deformation has been also given.

也给出了一个相反的例子，即在各向异性谐振子势中处于稳定形变的任意数目的独立核子。

Based on theory of simple harmonic oscillation in physics,this paper presents a novel model for production decline prediction given by deformation of critical damping oscillation equation which is predigest.

基于物理学中的简谐振动原理，提出了把阻尼振动方程中的临界阻尼振动方程变形得到一种新的产量递减模型，可简化为Arps指数递减形式，经实例计算，可以用来预测油田产量，以此指导油田开发和管理。

Based on theory of simple harmonic oscillation in physics, this paper presents a novel model for production decline prediction given by deformation of critical damping oscillation equation which is predigested to Arps exponential decline form.

基于物理学中的简谐振动原理，提出了把阻尼振动方程中的临界阻尼振动方程变形得到一种新的产量递减模型，可简化为Arps指数递减形式，经实例计算，可以用来预测油田产量，以此指导油田开发和管理。

Based on the method of modal analysis, it can be concluded that ANSYS has directive values to dynamic simulation and structural optimization of crossbeam, and the research has laid a foundation for the harmonic response analysis of the next step.

通过模态分析法，可以看出ANSYS对横梁的动态仿真和结构优化有一定的指导意义，也为下一步的谐响应分析提供依据。

The effect on amplitude of EXAFS from harmonic caused by high order diffraction of crystal monochromator is discussed.

本文讨论了晶体单色器高次衍射形成的谐波对EXAFS振幅的影响。

In order to apply the methods of the harmonic retrieval and the noise filtering based on the cumulant being used widely to the real data processing, these methods should be studied further.

并指出了大量理论研究所广泛采用的累量自身、基于累量的谐波恢复方法和基于累量的滤噪方法在实际应用过程中的缺陷以及进一步研究的意义。

Fostering the concept of multi-culture firmly and mastering the development of advanced culture correctly are conductive to resisting terrorism, separatism of nationalities and ultraism of religion, which is of great academic theoretical, immediate and profound historical si...

牢固树立多元文化的理念和正确把握先进文化的发展方向，有助于在世界范围内自觉地抵制恐怖主义，民族分裂主义和宗教极端主义。不仅具有重大的学术理论意义，而且也具有重大的现实意义和深远的历史意义。

But if anyone walks in the night, he stumbles, because the light is not in him.

11：10 若在黑夜行走，就必碰跌，因为那光不在他里面。