根据各向异性介质的扰动理论来计算走时。
The traveltime in anisotropic media is calculated, in the present study, based on the first order perturbation theory.
为消除二维汽车碰撞模型的病态性，利用矩阵扰动理论分析了模型病态性的实质。
Matrix perturbation theory was applied to analyzing the ill-conditioned two-dimensional vehicle collision model.
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。
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.
通过三个矢量方程组，系统地归纳了小扰动理论应用于多排叶片时各待定系数的关联方程。
By means of a three vector equation system, the correlative equations of the undetermined parameters are thus deduced when the small disturbance theory is applied to multiple blade rows.
闭环系统的稳定性证明采用了奇异扰动理论，以解决积分项的存在带来的稳定性分析问题。
To solve the stability analysis problem arising from the integral term, we employ the singular perturbation theory to analyze the stability of the resulting closed-loop system.
然后运用线性算子的扰动理论和分歧解的稳定性理论证明出共存解在适当条件下是稳定的；
Second, some results of local stability for the coexistence solutions are obtained by the perturbation theorem for linear operators and the stability theorem for bifurcation solutions.
基于修正的非线性薛定谔方程，利用线性扰动理论和数值方法研究了单模光纤中的调制不稳定性。
Modulation instability (MI) in single-mode optical fibers is investigated analytically and numerically using a modified nonlinear Schrdinger equation.
方法运用极值原理、上下解方法、分歧理论、线性算子的扰动理论和分歧解的稳定性理论进行研究。
Methods the maximum principle, monotone method, bifurcation theory, the perturbation theorem for linear operators and the stability theorem for bifurcation solutions were used.
方法运用极值原理、上下解方法、分歧理论、线性算子的扰动理论和分歧解的稳定性理论进行研究。
Methods the maximum principle, monotone method, bifurcation theory, the perturbation theorem for linear operators and the stability theorem for bifurcation solutions were used.
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