The relationship between physically observable quantities and perturbed wave vector is explored on the basis of BBGKY hierarchy equations and the second order perturbation theory.
基于BBGKY方程，采用二阶扰动理论探索了可观物理量与扰动波矢的相互关系。
Make perturbation, in terms of these errors, to revise wave impedance mod-el until the errors reduce to minimum.
根据此误差，再作摄动，修改波阻抗模型，直到误差趋于最小为止。
Using two-flow model, small perturbation theory and solvable conditions of one-order linear equations, a dispersion equation of pressure wave in horizontal air-liquid bubbly flow was proposed.
利用两流体模型、小扰动原理和线性一阶齐次方程组有解的条件，得到了气液泡状流型下的压力波色散方程。
The paper presents a coordinate perturbation method to deal with the pro -. Blem of a plane blast wave propagation in nonlinear hysteretic media.
本文利用座标摄动方法研究平面爆炸波在非线性磁滞介质中的传播问题。
This model is solved by applying the direct perturbation method. The time evolution of spectrum and the first order approximate wave function for the system are presented.
利用直接微扰法，给出了该系统的一级近似波函数及能谱随时间的演化规律。
The characteristics of the omni-directional periodic circular dielectric rod leaky-wave antenna are analyzed by the improved perturbation method.
本文用改进的微扰法分析了一种新型圆柱介质栅毫米波全向漏波天线的辐射特性。
In the experiments, a small-amplitude sine wave of displacement is modulated to shear loading to study the effects of shear stress perturbation on stick-slip instability.
实验中通过在剪切方向上叠加正弦波状的位移扰动，研究了剪应力扰动对断层粘滑失稳的影响。
The acoustooptic interaction in biconical optical fiber was analyzed based on coupled mode theory, and the relationship between perturbation period and flexural wave frequency was discussed.
利用耦合模理论分析了在双锥光纤耦合区中声光的相互作用，讨论了在不同耦合区半径下扰动周期与声波频率的关系。
This paper derived the relations between polarization dispersion and wave length from the dielectric constant perturbation theory.
本文从介电常数微扰理论得到极化色散与波长的关系。
This paper focuses on the perturbation which takes the sine form. The effect of amplitude, frequency, wave number, and initial phase difference on the propagation of optical soliton is investigated.
重点讨论了扰动是正弦函数形式时，耦合强度、频率、波数、初始相位差对光孤子传播的影响。
It is pointed out that the wave function of system can be exactly solved if the perturbation only depends on the time, and the exact expression of transition probability amplitude can be obtained.
本文通过计算指出，若微扰只与时间有关，则体系的波函数可以精确求解，从而得到跃迁概率振幅的精确表达式。
According to the perturbation theory, a distribution law of matrix element in secular equation is discovered in degenerate state and wave function property of the hydrogen atom.
根据简并态微扰理论和氢原子波函数的性质，得到久期方程中微扰矩阵元的分布规律。
The asymptotic stability of the rarefaction wave has been established for the impermeable wall problem under small perturbation conditions and non-isothermal conditions.
讨论了半空间中满足无渗透边界条件的一维黏性可压缩热传导流体的流动，给出了在小扰动和非等温条件下稀疏波的渐进稳定性。
The reductive perturbation method of multiple-scales is used to investigate the weak nonlinear modulation of the stress wave on the wall of a fluid-filled elastic circular tube.
本文应用多重尺度约化微扰方法研究了充满流体的圆形弹性管壁上应力波的弱非线性调制问题。
The single standing wave mode in a circular cylinder subjected to a vertical oscillation was studied by employing two-time-scale perturbation expansions.
本文利用奇异摄动理论的两时间变量展开法，研究了垂直强迫圆柱形容器中的单一水表面驻波模式。
An improved perturbation procedure is used for analysing the radiation characteristics of the millimeter wave dielectric leaky wave grating antenna.
本文用改进的微扰法分析了毫米波介质栅漏波天线的辐射特性。
Wave function is used to calculate the traveltime and its derivative(perturbation of traveltime with respect to velocity) in WT inversion.
反演是基于波动方程的走时反演（WT反演）和波形反演的联合反演方法。
The wave performance and its criterion of occurrence have been obtained by using perturbation theory and numerical method.
应用摄动理论和数值方法，求得了位移波的波形和位移波产生的判别准则。
Through the comparison, we use traveling-wave method to measure dispersion and nonresonant perturbation method to measure interaction impedance.
通过分析、比较不同的测量方法，本文最后采用行波法测量色散，非谐振微扰法测量耦合阻抗。
Through the comparison, we use traveling-wave method to measure dispersion and nonresonant perturbation method to measure interaction impedance.
通过分析、比较不同的测量方法，本文最后采用行波法测量色散，非谐振微扰法测量耦合阻抗。
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