在以驱动波相速度运动的坐标系中，用微扰法讨论。在正弦波驱动下的非线性漂移波的分波方程。
The nonlinear drift-wave equation driven by a sinusoidal wave is discussed in a coordinate system moving in the driving phase speed.
本人首先用此方法处理了自散焦非线性薛定谔方程的孤子微扰问题。
I tackle the perturbation problem of the nonlinear Schrodinger equation because of its importance.
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 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.
本文利用微扰法，导出了克尔型非线性对称平板光波导t E模传播常数的近似计算公式。
A perturbation method has been developed to derive the approximate computing formulae of propagation constants for te modes on Kerr-type nonlinear symmetric slab optical waveguides.
采用可变长度单摆的力学模型对秋千振荡给出初等分析，采用微扰近似法导出了秋千的非线性参数共振解析解，并进行了讨论。
A variable length simple pendulum model is introduced, elementary analysis and perturbation analytic solution of nonlinear differential equation for parametric resonance are presented.
重点探索了基于时基微扰的帧时移线性去相关法(TPM -FTS)和帧伸缩非线性去相关法(TPM - FEC)。
TPM-based frame time-shifting (TPM-FTS) linear method and TPM-based frame expanding-compressing (TPM-FEC) nonlinear method were mainly explored.
重点探索了基于时基微扰的帧时移线性去相关法(TPM -FTS)和帧伸缩非线性去相关法(TPM - FEC)。
TPM-based frame time-shifting (TPM-FTS) linear method and TPM-based frame expanding-compressing (TPM-FEC) nonlinear method were mainly explored.
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