Under certain condition it is proved that all the complex eigenvalues of this operator, except at most finitely many ones, are of algebraic multiplicity 1.
在一定的条件下证明了，除至多有限个外，人口算子复本征值的代数重数均为1。
Complex modal analysis is then performed to calculate the eigenvalues and eigenvectors, and then modal parameters are obtained.
采用复模态分析求取特征值和特征向量，进而得到系统的模态参数。
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。
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