查询词典 characteristic equation

In order to obtain natural frequencies and natural modes,the bisection method combined with frequency sweep method is used to solve the characteristic equation of frequency.

数值结果验证了本文方法在其适用范围内的精确性和有效性

The negative differential resistance characteristic equation of single electron transistor and metal oxide semiconductor hybrid structure SETMOS is simplified by fitting method. And a new approach is proposed for designing multi-scroll chaotic circuit with SETMOS.

利用拟合法简化了单电子晶体管与金属氧化物半导体混合结构器件——SETMOS的负微分电阻特性方程，提出了由SETMOS设计多涡卷混沌电路的方法。

Unfortunately, the characteristic equation is normally unfactored and of high order.

遗憾的是，特征方程通常是高阶不可分解的。

It is the first time that we have got its characteristic equation by our geometric approach on a general PC686 easily.

用我们的几何方法，在一台普通的686微机上我们非常容易地解出了它的特征方程。

The characteristic equation of the stability analysis is deduced and the corresponding computational program is developed.

通过与简支的单向受压板和四边简支单向纯弯板的稳定性问题的理论解的对比，验证了模型的合理性和精确性。

Based on the characteristic equation of asynchronous motor,the conception of slip control was discussed.

以异步电动机机械特性方程为基础，讨论了转差率控制的基本概念，分析了转差率控制的基本规律，设计了基于转差率闭环控制的异步电动机变频调速系统，并介绍了该系统的主要特点。

Although the characteristic equation of various configurations remains unchanged, the robustness of the system is not the same.

对倒立摆这样的非最小相位系统来说，零动态解开法也没有鲁棒性。

Depending on the damping ratio , the roots of the system characteristic equation have three possibilities

根据阻尼比的值，系统特征方程的根有三种可能

So, a necessary and sufficient condition for the system to be stable is that the roots of the characteristic equation have negative real part.

因此，系统稳定的一个必要充分条件是特性方程的根有负的实部。

Based on the study of characteristic equation,we obtain some new oscillationcriteria for higher order neutral differential equations.

本文利用特征方程，建立了高阶中立型泛函微分方程新的振动准则，推广了文[1][2]中的工作，改进了文[3]中的结果

Chrysanthemum of 10 thousand birthday is lax to edaphic requirement, with the arenaceous qualitative loam with fecund, good drainage had better.

万寿菊对土壤要求不严，以肥沃。排水良好的砂质壤土为好。

He unstepped the mast and furled the sail and tied it.

他拔下桅杆，把帆卷起，系住。