The characteristic equation is formed by setting D(s) equal zero.
将D（s）等于零可以得到特征方程。
Finally, buckling load and mode can be calculated from the characteristic equation.
最后由屈曲方程计算含内埋矩形脱层壳的屈曲载荷和屈曲模态。
Characteristic equation of a rectangular plate is derived based on its potential energy functional.
基于矩形板的势能泛函导出其特征方程。
And we also give the corresponding characteristic equation of linearization discrete neural network model.
并简单地给出相应神经网络模型线性化后得到的特征方程。
The principle and structure of the sensor were presented, and its output characteristic equation was derived.
介绍了传感器的结构和原理，推导出传感器的输出方程。
The stiffness matrix corrected by the method not only satisfies the characteristic equation, but also is the …
用这个方法修正的刚度矩阵不仅满足特征方程，而且是唯一的对称半正定矩阵。
Moreover, the stability of periodic motion is studied and the corresponding characteristic equation is derived.
导出了判断理想转子周期性碰摩运动稳定性的特征方程。
Starting from the integral equation of thermal kinetics, a new characteristic equation of combustion is derived.
从热动力学积分方程出发建立了新型燃烧特征方程。
When we solve for the characteristic equation of the system, we assume that there is no force on the right hand side.
当我们求解系统特征方程时，假定在右侧没有力。
Based on the basic characteristic equation, two uncoupled equations for cutoff frequencies were obtained theoretically.
从基本特征方程式出发，理论上导出了两组非耦合的求解截止频率的方程式；
In this paper, a successive approximation procedure for calculating eigenvalues of the complex characteristic equation is proposed.
本文提出了对复变特征方程求根的一种系统逼近程序。
The consideration of damping force leads to a fact that there exist complex roots to the characteristic equation for the structures.
考虑阻尼力后，结构的特征方程应有复数根，因而通常用于求解多项式方程实数根的二分法不再适用。
The roots of the characteristic equation determine the stability of the system and the general nature of the transient response to any input.
特征方程的根决定了系统的稳定性以及对各种输入的响应特性。
We studied the asymptotic behavior of solutions to third order Poincaré difference equation whose characteristic equation has multiple roots.
研究了三阶Poincaré差分方程解的渐近性质。这种差分方程对应的常系数线性差分方程的特征方程有重根。
Furthermore, even if the exact characteristic equation can be obtained, we could not compute the roots of the equation in the demanding precision.
进一步，即使可以精确地得到特征方程，我们依然无法在有限精度的限制下去计算方程的根。
Methods of using the D-decomposition curves to judge whether all the roots of the characteristic equation possess a negative real part are also discussed.
文中也提出了利用分划曲线来判定系统特征方程具有全部负实部根的方法。
By studying the properties of roots for the corresponding characteristic equation, the sufficient conditions under which the equation is stable are given.
通过分析相应特征方程根的性质，给出系统稳定的一个充分条件。
The stiffness matrix corrected by the method not only satisfies the characteristic equation, but also is the unique symmetric positive semidefinite matrix.
用这个方法修正的刚度矩阵不仅满足特征方程，而且是唯一的对称半正定矩阵。
It can be decided system stability depending on the characteristic value of characteristic equation. The calculated results agree with the experimental data.
根据特征方程序的特片值就可以判断系统的稳定性，计算值与试验值基本吻合。
The algebraic condition can be represented by the distribution of the roots of the generalized characteristic equation of the ellipse and parabola (hyperbola).
这些代数条件表示为由椭圆与抛物线，椭圆与双曲线确定的广义特征多项式的根的分布。
The parameter identification of joining stiffness of rudder hydraulic servo mechanism can be done by using the direct method of characteristic equation anti problem.
应用特征方程反问题的直接方法对舵面-液压伺服机构连接刚度参数进行了辨识。
Using the root of the characteristic equation, this paper studies the asymptotic solution of the characteristic equation of the open circular cylindrical thin shells.
本文利用特征方程根的性质，研究了开口圆柱薄壳精确微分方程的特征方程的渐近解。
Based on the Hamiltonian system's theory, the relationship between closed-loop poles of system characteristic equation and weighting matrices was thoroughly investigated.
根据哈密尔顿系统理论，深入研究了系统特征方程的闭环极点和加权矩阵的关系，给出了希望加权矩阵的确定方法。
A real factorization method based on evolutionary algorithms is proposed for finding tbe roots of the characteristic equation of a linear time-invariant closed-loop system.
针对线性定常闭环系统特征方程的求根问题，提出了一种基于演化算法的实因式分解法。
The impulse response method is adopted to identify the modal parameters, and the physical parameters are estimated from the characteristic equation of the mathematical model built.
本文采用了单位脉冲响应函数法识别模态参数，由所建数学模型的特征方程识别结合部的物理参数。
Parts transfer equation, parts transfer matrix and system characteristic equation are established and fast calculation problem for natural vibration characteristic of MSW is solved .
建立了金属风暴武器部件传递方程和传递矩阵、系统特征方程，解决了振动特性快速计算难题；
The paper illustrates the conclusions about the multiple root of characteristic equation and characteristic vector which fit symmetric tensor of rank two may unfit unsymmetric tensor.
该文还阐明了对二阶对称张量成立的关于特征方程的重根与重向的一些结论对非对称二阶张量不一定成立。
This paper discussed the dependence of the characteristic value of characteristic equation on frequency for the given precise characteristic equations of plasma cylindrical waveguides.
通过给出的等离子体圆柱波导的精确特征方程，讨论了特征方程的特征值对频率的依赖。
This paper discussed the dependence of the characteristic value of characteristic equation on frequency for the given precise characteristic equations of plasma cylindrical waveguides.
通过给出的等离子体圆柱波导的精确特征方程，讨论了特征方程的特征值对频率的依赖。
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