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The main harmonic problem in our country is consistency between utility and electrified railway.

我国谐波的主要问题是电力系统与电气化铁道的协调问题。

In this article, according to the structure of Armature which is the core part of an Electrodynamic Vibration Shaker, a three-degree equivalent dynamic model is set up and then the quick calculating formula of the first-order axial harmonic frequency of Armature is educed.

针对电动振动台的核心部件——动圈，根据动圈的结构，建立了动圈的三自由度等效动力学模型，导出了动圈轴向一阶共振点的快算公式。

The problem of unbalance load on pulse generator is discussed by means of methods of analysis on harmonic electromagnetic moment during stable and transient state.

剖析了不平衡负载及缺相极端情况下，发电机各次稳定和瞬变谐波电磁力矩对转子系统的影响。

Above all,the electromagnetism parameter and the harmonic magnetomotive force of Powerformer are studied in this paper.

基于上述原因，本文对Powerformer的电磁参数以及定子绕组谐波磁势进行了研究。

Spectrum analysis and Total Harmonic Distortion of output voltage and electromotive force of generator are also achieved.

发电机电动势及输出电压的谐波分析、频谱分析和总谐波歧变率分析。

As known, using the porential theory Green's tormulae and the fundamental solutions wecan reduce the harmonic and biharmonic elliptic boundary value problems to integral equationson the boundary.

我们熟知，利用位势理论或由Green公式及基本解出发区域内调和及重调和边值问题可归化为边界上的积分方程。

The modal and harmonic response analysis was performed by ANSYS 9.0, and then the elliptic motion locus of the stator was plotted and discussed.

在设计的电机结构中，给出了压电陶瓷的极化、分布和驱动方式，运用有限元分析软件ANSYS9.0对定子进行了模态和谐响应分析，并运用振动理论推导了定子齿上的椭圆运动轨迹方程。

The main idea of this dissertation is as following sequence: disturbance signal denoising, transient harmonic measurement, disturbance online detection, and PQD data classification mining. Utilizing wavelet theory, Teager energy operator, and data mining technology, this dissertation presents a comprehensive and systematic study of PQD online detection and classification.

本文针对这两个核心问题，沿着"扰动信号去噪暂态谐波测量扰动在线检测扰动数据分类挖掘"这一技术主线，运用小波理论、Teager能量算子和数据挖掘技术，对电能质量扰动信号去噪、暂态谐波测量、扰动在线检测以及扰动数据分类挖掘进行了系统研究。

It will be seen that other augmented intervals may have more common enharmonic equivalents, but are regarded as augmented intervals according to their harmonic function.

其他增音程则出现更多的同音异名，但是根据其和声功能，均被看作增音程。

Different from the case of only one coupled periodic oscillator, in two oscillators one or the other harmonic oscillator will entrain alternately (or they will entrain exclusively).

典型的同步系统，如驱动-响应同步，设它们各自混沌信号分别为x1，x2，经过足够长的暂态后如有x1=x2，则可以认为系统达到完全

This matter overthrew all basises I learned from Sunday school .

这件事把我从周日学校学到的所有道理都颠覆了。

It's one of the cruel ironies of aging: if you want to remember your favorite restaurants, the less you should eat at them.

这是一个老化的残酷讽刺：如果你想记住你最喜欢的餐馆，你应该更少吃到它们。