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Evolution behaviors of the solitons width and the coherence radius are also described when the solitons undergo linear harmonic oscillation.

本文详细讨论了孤子进行线性谐振时的光束半径以及光束相干特性的演化过程。

An unsteady aerodynamic model based on Fourier analysis is developed in the frequency domain with the theory of system identification and the experimental data of large amplitude harmonic oscillation. This unsteady aerodynamic mathematical model is used to extract dynamic derivatives, and the meaning of a time-lag loop is analyzed.

应用系统辨识理论，利用纵向大振幅非定常气动力实验数据，在频率域内建立了基于Fourier变换法的非定常气动力数学模型，并发展了一种获取常规动导数的仿真实验方法，分析了迟滞环的物理意义。

The first natural frequency map in working space was drawn,which can be useful for selecting proper working position to avoid resonance or low-order harmonic oscillation.

为了描述柔性并联机器人的弹性动力学性能，分析了机器人振动频率的特征。

Finally the conclusion that the un-uniform slow wave structures are better than the uniform slow wave structures for the suppression of the backward-wave oscillation and harmonic gain is given. A design measure for high power and broad-band TWTs is proposed.

最后给出非均匀输出线路在返波、二次谐波抑制和提高电子互作用效率上的效果的总结论，并为宽带高功率行波管输出线路的设计提供了建议方案。

The non-uniform slow wave structures of the broad-band high power TWTs are studed for the suppression of the backward-wave oscillation and second harmonic amplification. and for the interaction efficiency improving.

本文主要利用非均匀输出线路来研究宽带高功率行波管的返波抑制、二次谐波抑制和提高电子互作用效率的问题，旨在通过本论文的研究，为宽带高功率行波管的研制提供可靠的理论依据和设计指导。

By utilizing the cross gain modulation effect and the period 1 oscillation harmonic frequency locked in an optically injected semiconductor laser , we can extract the wavelength conversional individual channel optical clock from the optical time division multiplexing OTDM signal .

光注入半导体激光器会产生非线性单周期振荡特性，利用交叉增益调制效应及对单周期振荡的微波锁频效应，可从光时分复用信号中提取出波长转换的分路光时钟。

By utilizing the cross-gain modulation effect and the period-one oscillation harmonic frequency-locked in an optically injected semiconductor laser, we can extract the wavelength conversional individual channel optical clock from the optical-time-division-multiplexing signal. In a FP-LD, we numerically simulate the extraction of 20 GHz optical clock at 1550 nm from the 2×20 Gb/s OTDM signal at 1555 nm, and experimentally obtain the -105 dBc/Hz phase noise frequency division clock of 12.36 GHz to 6.18 GHz with simultaneous wavelength conversion from 1550.24 nm to 1545.91 nm.

采用一个FP半导体激光器作为全光分路时钟提取及波长转换器，数值模拟实现了从波长为1555 nm、速率为2×20 Gb/s的光时分复用信号中提取出波长转换为1550 nm、重复频率为20 GHz的分路光时钟，实验完成了从波长为1550.24 nm、重复频率为12.36 GHz光脉冲信号中提取出相位噪声为-105 dBc/Hz的波长为1545.91 nm、重复频率6.18 GHz的分频光时钟。

Thus the law of supply and demand of labor is kept in the right rut, the oscillation of wages is penned within limits satisfactory to capitalist exploitation, and lastly, the social dependence of the laborer on the capitalist, that indispensable requisite, is secured; an unmistakable relation of dependence, which the smug political economist, at home, in the mother-country, can transmogrify into one of free contract between buyer and seller, between equally independent owners of commodities, the owner of the commodity capital and the owner of the commodity labor.

这样，劳动力的供求规律就保持在正常的轨道上，劳动力的变动就限制在资本主义剥削所容许的范围内，最后，工人对资本家必不可少的社会从属性即绝对的从属关系得到保证。政治经济学家本国，即宗主国，可以花言巧语地把这样绝对的从属关系描绘成买者同卖者之间的自由契约关系。

It is proved from the results that homotopic method can be used for analyzing the SST anomaly in the equatorial eastern Pacific and the thermocline depth anomaly of the atmosphere-ocean oscillation for ENSO model.

从得到的结果看出，同伦映射方法能够用于分析ENSO模型在赤道东太平洋中的SST异常和气-海振荡的温跃层深度异常。

In this paper, we consider neutral functional differential equations and study the global existence of their solutions, stable subspaces and unstable subspaces of linear autonomous dynamical systems, local stable manifolds and local unstable manifolds of near hyperbolic equilibrium point of nonlinear autonomous dynamical systems, periodic solutions and oscillation of the neutral equations.

本文主要研究中立型泛函微分方程解的整体存在性，自治线性动力系统的稳定子空间与不稳定子空间、自治非线性动力系统在双曲平衡点的局部稳定流与局部不稳定流，周期解与解的振动性。

The receding calculations and experiment analyses in this subject are built on the blood cast of pig tongue.

本研究课题的前期工作是采用猪舌血管铸型模拟人舌而进行的数值计算与实验分析。

"Each human infection constitutes an opportunity for genetic modification of the virus through reassortment, mutation, or both...."

&每一次人类的感染都暗藏着一次基因修改的机会，无论是通过病毒的整合、突变或者兼而有之。。。。&