查询词典 harmonic

On one hand, profound understanding of harmonic oscillator model through various ways is crucial to understand the essence of quantum mechanics and research into micro physical models by means of quantum mechanics; on the other hand, the application of algebraic approach to solve the eigenvalues and wave function of mechanics is the main means to solve the actual problems in quantum mechanics.

简谐振子模型是量子力学中极其简单又重要的模型，其物理思想在其他相关的学科中都有着广泛的应用，通过多种途径去深入理解简谐振子模型，对理解量子力学的实质和运用量子力学作为工具去研究微观物理模型都有重要的意义；另一方面在实际工作中应用代数方法去求解力学量的本征值和波函数是研究量子力学的主要手段。

In this paper, we use Fourier transformation to analyse the spectrum of the finite-length harmonic wave train, and point out that the relationship between frequency width and continuance of a wave train obeys the indeterminate relation in quantum mechanics.

本文应用富里哀变换对有限长简谐波列进行了频谱分析，指出波列频宽与持续时间之间服从量子力学的测不准关系。

This paper introduced a design of harmonic compensation waveform generator.

本文介绍了谐波补偿波形发生器的设计。

The problems of applying characteristic harmonic method to identify welding torch attitude based on rotational arc sensor were researched.

以旋转电弧作为传感器，研究了利用特征谐波法进行焊枪空间姿态检测的若干问题。

The Well-Tempered Clavier by Bach enjoys a reputation of being the Old Testament since its success lies in the fact that he achieved a unity between major and minor harmonic system in terms of vertical and horizontal aspects of polyphony.

摘 要：巴赫的《平均律钢琴曲集》被誉为钢琴音乐的旧约全书，其成功所在是他完成了在大小调和声体系下复调音乐纵与横的统一。

Based on analyzing user loads running characteristic and power system topology structure, this paper presents a new harmonic source separation method that is on-line search zero iterative method.

然后在分析用户负载运行特性的基础上，根据供电网络拓扑结构，提出一种新的谐波源分离方法—在线寻零迭代法。

Summarize:Measuring function: three-phase voltage、wire voltage、current、frequency、active power、reactive power、power factor、bi-directional active energy、bi-direction reactive energy parameters etc. The additory functional module can conveniently extend DI/DO、harmonic analyzing etc; RS485 communication port, Modbus-RTU agreement ; Wide LCD screen convenient for viewing.

测量功能：三相电压、线电压、电流、频率、有功功率、无功功率、功率因数、双向有功电度、双向无功电度等，增选功能模块可方便扩充DI/DO，及谐波分析等功能；RS485通信接口，Modbus-RTU协议；大屏幕LCD显示。

Although this method can affectively compensate static reactive power, it is not good enough for the dynamic reactive power in the port power system. In addition, this method may cause extra harmonic.

并联电容器的补偿方式可以有效的补偿静态无功功率，但是对于港口电力系统中变化的无功功率，补偿得并不好，而且该方法可能会导致额外的谐波。

The influence of temperature on the spectra and nonlinear optics properties of the 4--4＇-aminoazobenzene compound Langmuir-Blodgettfilms were investigated using UV-visible absorption spectra and second harmonic generation technique.

采用紫外-可见吸收谱和二次谐波产生技术研究了温度对4-硝基-4＇-氨基偶氮苯分子Langmuir—Blodgett单层和多层膜的光谱和二阶非线性光学特性的影响。

By using a multiple scales method,we study the lattice vibration of a monoatomic chain taking into account the nearest neighbour and the second next nearest neighbour harmonic and anharmonic interactions.

利用多重尺度法，研究了谐振、非谐的近邻和次近邻相互作用下单原子链的晶格振动行为，发现非传播孤子在单原子链Brillouin区的任何位置均有可能存在。

As she looked at Warrington's manly face, and dark, melancholy eyes, she had settled in her mind that he must have been the victim of an unhappy attachment.

每逢看到沃林顿那刚毅的脸，那乌黑、忧郁的眼睛，她便会相信，他一定作过不幸的爱情的受害者。

Maybe they'll disappear into a pothole.

也许他们将在壶穴里消失