查询词典 harmonic function

A 2D harmonic model based on the quaternion was constructed,and a special four-order cumulant was defined.

构造了合适的基于四元数的二维谐波模型，根据此模型定义了特殊的四阶累积量切片，分析了加性高斯在有色噪声中的二维三次非线性相位耦合。

Research on new type short circuit current limiter utilizing LC harmonic oscillation.

利用LC谐振的新型短路电流限制器的研究。

In order to study the primary resonance and primary parametric resonance of current-carrying conductor subjected to harmonic excitation and ampere force, the Mathieu-equation of the system is derived first.

研究受简谐激励的二长直电流间载流导线的主共振主参数共振问题，应用动力学方法建立载流导线受外部激励和安培力的Mathieau方程。

Submanifold; Homology group; Topological sphere theorem; L~2 harmonic 1-forms; Ends; Eigenvalue; Mean curvature; Second fundamental form

基础科学，数学，几何、拓扑子流形；同调群；拓扑球面定理； L~2调和1-形式；端；特征值；平均曲率；第二基本形式

The phenomena of the third harmonic cyclotron resonance and absorption of IBW caused by deuterium-like minority ions have been observed.

我们利用小型装置的低温、低密度特点，采用高空间分辨的射频电探针作为IBW的主要探测

The CHP harmonic program of power system is imported from CYME Co.

CHP程序是从加拿大CYME公司引进的。

A new method for filtering out singular points in damped harmonic vibration signal;2. Region of interest of a fingerprint image is extracted according to the position and direction of the singular points .

该算法根据奇异点的位置和方向，提取指纹图像的感兴趣区域，并使用二维主成分分析(2DPCA)的方法进行统计特征的提取和识别。

Firstly, this paper researched the mechanism of tubing string vibration when natural gas flows in horizontal well tubing string. Secondly, established whole tubing string undamped and damped vibration system model according as reasonable assumption data of one horizontal well. Apply finite element analysis software to calculate tubing string natural characters, simple harmonic dynamic behavior of stable gas production and nonlinear dynamic behavior. Finally, this paper carried out the safety varied frequency of gas well and the method of vibration reduction.

本文首先从理论和数值模拟研究了天然气在水平井油管柱内的流动诱发油管柱振动的机理，然后在合理假设的基础上结合某水平井数据建立了全井段油管柱无阻尼和有阻尼振动系统模型，利用有限元软件计算分析了油管柱固有特性、稳产简谐动力学响应和非线性动力学响应，针对油管柱振动规律提出了天然气安全调节频率范围和减振措施。

In second part of this paper, the damped harmonic oscillator system is studied by implementing normal ordering method.

第二部分，应用正规序方法研究了受迫谐振子问题。

Decapitator creates that highly sought after analog sound from subtle harmonic changes to extreme driven distortion.

Decapitator创建的高次谐波后微妙的变化模拟声音极度扭曲驱动要求。

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。