查询词典 characteristic equation

According to this matrix and the characteristic equation for anisotropic solids, the slowness curves for this material are obtained.

由此矩阵，根据各向异性体的声波特征方程，给出材料在有关截面内的慢度曲线。

The stability condition of the steady-state motion is got from the roots of the characteristic equation.

并指出多数情况下还要借助数值方法来讨论有关特征方程的特征值问题。

Time-Domain Analysis The characteristic equation is obtained by equating the denominator of C/R to zreo.

时域分析特征方程得到等同于标准的C的商业/住宅的，以zreo 。

With the help of the linearization theory and variable exchanges , the characteristic equation is derived about the steady state motion of the system .

对于系统的铅垂稳态运动，采用线性化理论和适当的变量代换导出了系。。。

The relationship between PID parameter and the root of the characteristic equation of the closed loop control system has been found out directly.

本文直接找出PID参数与闭环控制系统的特征方程的根之间的关系，只要使特征方程的根在z平面的单位圆内任意取值，然后再求出相应的PID参数，则闭环控制系统必然是稳定的。

A root of the characteristic equation has previously been defined as value of s that makes D equal to zero and is given the symbol □.

特征方程的根前面已经定义为使D为零的s值，用符号□表示。

A root of the characteristic equation has previously been defined as a value of s that makes D equal to zero and is given the symbol .

项表示n个位于s平面原点的零极点，特征方程的根定义为使D等于零的s的值，用符号表示。

Routh-Hurwitz is used to determine that the characteristic equation has negative real root, and Center-Manifold theorem is used to study the stability of autonomous differential system in the case of hyperbolic and non-hyperbolic at the equilibrium point.

利用Routh-Hurwitz判定特征方程有负实部根，并利用中心流形定理研究了自治微分系统在平衡点处双曲和非双曲情况下的稳定性，由此产生系统趋于不同稳定点时病毒分裂的临界值，同时利用数值模拟验证了分析的合理性。

For example, one of our conclusions is that a nonsingular QSIC has one affinely finite component if and only if the characteristic equation of the two quadrics has two distinct real roots and a pair of complex conjugate roots.

由于两二次曲面的特征方程实根个数及其重数可用精确的计算方法得到，本文分类结果可用于实现对任意两二次曲面的非平面交线拓扑形态的判断。

The constant term of the characteristic equation was criteria for static stability. Effects of major aerodynamic derivatives on static stability were discussed.

以状态方程作为描述地效翼船的数学模型，研究了地效翼船在飞行状态下的纵向操纵性与稳定性。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。