文中给出了这一非线性振动模型的微分方程，并用奇异摄动法求得了渐近解。
This paper also gives the differential equation of the nonlinear vibration model, and obtains its asymptotic solution by means of singular perturbation methods.
最后，用奇异摄动法具体设计了数字飞行控制系统（DFCS），并用微机予以实现。
Finally, the practical example design of the digital flight control system(DFCS) and DFCS microcomputer implementation are treated.
分别用积分变换法和奇异摄动法，导出了数学模型在拉氏域内的解和时间域内的近似解析解，并用导得的解进行模型参数估值。
Parameters are evaluated by using an integral transform technique and a single perturbation technique. An improved method of moment is provided to treat experimental data.
作者选择弥散数作为特征小参数，用奇异摄动法求得了溶质浓度在全流场的渐进解析分布，着重考察了各种因素对浓度前沿推进过程的影响。
Then, we chose the dispersion number as a characteristic minor parameter, solved the problem and obtained the asymptotic analytical solutions of solute concentration by singular perturbation...
本文介绍了求解奇异摄动问题的一种有效方法——边界层函数法，并用此方法研究了在薄矩形板中的热传导问题。
In this paper, the boundary layer function method, an effective method for the solution of singular perturbation, was presented and used to deal with the heat transfer in thin rectangular plates.
为求解二维的奇异摄动反应扩散边界层问题，研究了新的多尺度有限元法。
The multi-scale finite element method is applied in the 3-D groundwater flow simulation problems in heterogeneous porous media.
为求解二维的奇异摄动反应扩散边界层问题，研究了新的多尺度有限元法。
The multi-scale finite element method is applied in the 3-D groundwater flow simulation problems in heterogeneous porous media.
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