An analytic representation for the third-harmonic generation along the well is derived by the density matrix operator theory of the quantum mechanics.
利用量子力学中的密度矩阵算符理论导出了该系统中三次谐波产生的解析表达式。
In the third chapter, polaron effects on the third-harmonic generation in square Wells are investigated.
论文的第三章研究了极化子效应对方形量子阱中三次谐波产生的影响。
Furthermore, a checkout method for the third harmonic voltage based protection scheme of stator ground fault in generators is presented based on the verified MLM-FEM coupled model.
进而提出了基于多回路-有限元耦合数学模型的同步发电机定子单相接地故障三次谐波电压保护方案校验方法。
For third harmonic generation our result is in good accordance with the experiment of prestine polyacetylene.
对于三次谐波产生系数得到了与实验一致的结果。
This paper presented an analytical method with more accuracy than before considering the fundamental arid the third harmonic in limit cycle.
提出了比较精确的计及极限环基阶谐波与三阶谐波的分析计算方法。
This is particularly the case for the third harmonic, which causes a sharp increase in the zero sequence current, and therefore increases the current in the neutral conductor.
尤其是第三个谐波，这将导致零序电流急剧增加，从而增加了中性线的电流。
A magnitude of a third harmonic distortion of the waveform sequence can be used to measure distortion in the output.
该波形序列的第三谐波失真幅度可以被用来测量输出中的失真。
The third chapter introduces the harmonic oscillator model, normal mode vibration types and frequency characteristics of infrared spectra.
第三章介绍了红外光谱的谐振子模型、简正振动类型和频率特征。
The method of harmonic balance is applied to study the non-linear dynamic response of the third-order nonlinear partial differentiation system.
应用谐波平衡法对系统三阶非线性微分方程组解析分析，与数值解比较验证了解析解的正确性和有效性。
Furthermore, the suitable chirp of fundamental field can reduce the distortion of third-harmonic pulse and increase the third-harmonic conversion efficiency.
合适的基频光频率啁啾可以减小三倍频光脉冲的畸变，并有效地提高三倍频转换效率。
A new method for reducing core loss and excitation current in transformers that utilizes the fundamental principles of third-harmonic flux modulation is proposed in this paper.
本文对变压器节能提出了一个崭新的观点，即通过三次谐波磁场调制机理来降低变压器的铁耗和励磁电流。
The effects of group-velocity mismatch and dispersion, third-order nonlinear phase modulation on pulse shape, spectrum distribution and conversion efficiency of second-harmonic pulse were discussed.
详细讨论了群速度失配、群速度色散和三阶非线性相位调制效应对倍频光脉冲波形、光谱及转换效率的影响。
The study shows that the third-harmonic flux with a certain value added to the fundamental flux can obviously reduce both core loss and excitation current.
文中认为当在变压器基波磁通中加入某一幅值的三次谐波磁通后，能显著地降低铁耗和励磁电流。
In this paper, theoretical calculation is performed for the mechanism by which the electron-phonon interaction exerts influence on third-harmonic generation in a parabolic quantum well.
本文就电子一声子相互作用对抛物量子阱中三次谐波产生的影响机制作了理论计算。
Experimental study with third-harmonic filters as well as with third-harmonic power sources were conducted.
作者对在变压器中加三次谐波滤波器和三次谐波电源分别进行了实验研究。
The results show that group-velocity mismatch broadens the width of third-harmonic pulse.
结果表明：群速度延迟使三倍频光脉冲展宽；
It is shown that the three photon ionization will be a limiting process in third-harmonic generation.
指出三光子离化过程使三次谐波转换效率降低。
The numerical results about the photon statistics of the chaotic light field in third-harmonic generation are given.
数值分析了三次谐波系统在混沌状态下光场的统计特性。
This approach uses the relative analysis to achieve the comparison of the Virtual Third Harmonic of differential current.
原理是利用相关分析间接实现差动电流虚拟三次谐波比较 。
This approach uses the relative analysis to achieve the comparison of the Virtual Third Harmonic of differential current.
原理是利用相关分析间接实现差动电流虚拟三次谐波比较 。
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