The Calculation of the Additional Stress of the Buildings in Mining Area by the Stochastic Finite Element Method of Perturbations;
采动建筑物附加内力摄动随机有限元计算
Statistical modeling of Kalman filtering estimation for ship lateral motion based on perturbation of hydrodynamic parameter;
基于水动力系数摄动的船舶横向运动姿态与受扰Kalman滤波的统计建模
Symmetry Perturbation and Inverse Problems for Constrained Birkhoffian System;
约束Birkhoff系统的对称性摄动及其逆问题
In this paper,taking the perturbations into account,a method is employed to correct the velocity increment at the first point.
因此在考虑摄动影响的基础上,提出了一种修正方法,以实现精确拦截和交会,并通过仿真算例验证了该方法的正确性。
the orbit models, the calculation methods of sub satellite and the coverage judgement which take into account the J 2 perturbations are given first, and then an iterating methods of designing satellite orbit with repeat ground trace is proposed.
首先给出考虑Ｊ２摄动项时近地轨道卫星的轨道模型、星下点计算方法和覆盖判断准则，在此基础上给出一种近地回归轨道的迭代设计方法。
Delayed systems, delayed systems with perturbations and uncertain - delayed switched systems are studied using LMI technique.
用切换lyapunov函数方法，通过定义指标函数，讨论了基于切换lyapunov函数的若干类时滞切换系统的稳定性问题，用矩阵不等式研究了时滞，时滞摄动和不确定时滞的切换系统的鲁棒稳定性，以及具有扰动的线性切换系统的鲁棒稳定性问题，在扰动受限下，将该系统的稳定性问题转化为最优问题来解决。
Based on the fundamental theory of the cable-prestressed steel truss established in paper [1], the inversive iterative perturbation equations which can be used to determine the stiffeness of elements of the prestressed steel truss with elastic supports are put forward by using the principle of matrix perturbation and introducing the concepts of the combined elements and stiffeness factors.
本文基于文献[1]所建立的拉索式预应力钢桁架基本理论,通过引入组合单元和刚度变化因子,利用矩阵摄动原理建立了以结点竖向位移为约束,以确定弹性支承多次张拉预应力钢桁架各类单元刚度为目标的反演摄动迭代方程。
A class of boundary-value problem with singular perturbation for third-order nonlinear equations;
一类奇摄动三阶非线性方程边值问题
Studies in Contrast Spatial Structure Solutions for Singular Perturbation Problems;
奇摄动问题中的空间对照结构
The period for a class of singular perturbation nonlinear equation;
一类非线性奇摄动方程的周期
Matrix perturbation methods for eigenvalue analysis of vibration of compressible fluid-solid;
可压缩流固耦合振动问题特征值分析的矩阵摄动法
A perturbation method for weakly damped systems repeated eigenvalues;
具有重特征值的弱阻尼系统的摄动法
An analytical solution to tunnels with over-under-excavated surface based on perturbation method;
隧洞边界超欠挖的摄动法解析分析