提出了一种基于节点电纳摄动改造配电网全节点导纳矩阵可逆性的方法。
Then, an efficient method for upgrading the reversibility of full bus admittance matrix of a distribution network is proposed by perturbing shunt susceptance.
运用基解矩阵和摄动方法，给出了两类微分方程的通解表达式。
By using fundamental solution matrix and method of perturbation, we give the expression of general solutions for two classes of differential equations.
基于正规性分析结果，使用系统不确定性反馈摄动描述对姿态控制系统的正规矩阵设计方法进行研究。
Based on the results, a normal matrix design approach for spacecraft attitude control systems is developed by using a feedback perturbation description for system uncertainties.
结果表明本文所提出的应用矩阵摄动法修正固有模态的方法是有效的、可靠并且省时的，便于工程应用。
The results are compared with those from the finite element method, and it indicates that the proposed method is quite effective, reliable, efficient and convenient for design applications.
本文提出一种分析机车横向运动稳定性的方法，即利用复模态的矩阵摄动法来计算临界速度。
This paper presents a new method of analyzing locomotive lateral stability, that is, the critical velocity is calculated by use of the complex mode matrix perturbation theory.
基于矩阵摄动和动力子结构方法，系统地建立了改善冰与结构动力相互作用的结构布置优化方法。
A systematic approach of structural optimization for improving dynamic ice-structure interaction is presented in this paper on the basis of matrix perturbation and dynamic substructure techniques.
通过具体的计算实例，阐明了因耦合矩阵的摄动，引起测量误差上限的计算方法。
By the solid example, reasons that measuring errors, because of minimal variation of cross-coupling matrix, are cleared, and methods for calculating the upper limit of error margin are described.
通过具体的计算实例，阐明了因耦合矩阵的摄动，引起测量误差上限的计算方法。
By the solid example, reasons that measuring errors, because of minimal variation of cross-coupling matrix, are cleared, and methods for calculating the upper limit of error margin are described.
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