Under certain condition it is proved that all the complexeigenvalues 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。
2
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。
3
In this paper, a successive approximation procedure for calculating eigenvalues of the complex characteristic equation is proposed.