查询词典 harmonic integrals

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。

Compared to the experimental measurements, good agreement is obtained near threshold region. It is shown that the fluctuations of the fundamental and second harmonic light in the laser field decrease as the cavity decay constant increases.

研究结果表明，激光场基波和二次谐波的涨落随空腔衰减常数的增大而减小；当激光场中含有乘性噪声时，乘性噪声能增强基波的涨落，同时抑制二次谐波的涨落。

Modeste has improved the recitative and declamatory aspects of Rimsky-Korsakov, who in turn has cleared up Modestes inclination toward awkward novelty and smoothed all his rough harmonic edges一his overblown orchestration and his illogical construction of musical form.

穆索斯基帮里姆斯基一科萨科夫提高了作品的叙述和朗读力度，而里姆斯基一科萨科夫帮助穆索斯基去除了追逐笨拙新奇的倾向，抚平了所有和音中粗糙的杂音—这是他已过气的管弦乐编曲和不合章法的音乐结构形式。

If you were not , and OS X just booted normally, have no fear.

如果你没有，和OS X刚刚启动通常，没有恐惧。

I only want to preserve our all .

我只想保存好我们的一切