摄动问题 meaning in English
perturbed problem
Examples
- In chapter five , a construction of closed loop control system is given for dead - time compensated upldt . to the point of parameter uncertainty and perturbation , double plus and double multiply expressions are presented
针对大时滞不确定过程存在参数及时滞的不确定或摄动问题，提出了纯加性及纯乘性不确定性描述。 - Using the matching asymptotic expanding method , the solutions for a class of nonliear singularly perturbed problems are discussed . zero order asymptotic expansions of solution for boundary value problem are obtain
摘要利用匹配渐近展开法，讨论了一类非线性奇摄动问题的解，得出了奇摄动边值问题的零次渐近展开式。 - The orbit simulation program mainly concentrates on orbit calculation . this thesis first introduces the fundamental knowledge of orbit dynamics , including orbit perturbation and spacecraft attitude control
轨道仿真程序核心部分是轨道计算，本文首先介绍了轨道动力学基础，包括轨道摄动问题，以及飞行器姿态控制等基础知识。 - On the basis of the formal asymptotic solutions having been constructed for the singularly perturbed problems , the formal asymptotic solutions for the original problems are proved by using the differential inequalities and the fixed point theorems
在已构造出奇摄动问题形式渐近解的基础上,运用微分不等式和不动点原理证明原问题的形式渐近解的一致有效性。 - In this dissertation , the numerical solution of singularly perturbed problems for a class of semilinear ordinary equations involving two parameters , a class of elliptic equations with turning points , a semilinear parabolic equation , and a two level semilinear parabolic equation as well as a hyperbolic - parabolic partial differential equation are mainly considered . the bounds on the derivatives of these exact solutions are given . then different difference schemes are constructed for different problems
本论文主要讨论了一类含双参数半线性常微分方程、一类具有转向点的椭圆型方程、半线性抛物型方程、二维半线性抛物型方程和双曲-抛物型偏方程奇摄动问题的数值解,首先给出这些方程解的导数估计,然后对不同问题构造了不同的差分格式,最后我们证明了该差分格式关于小参数一致收敛