将算法过程稍加分析整理，可发现它们仅仅需要计算最大本征值及对应的本征向量。
Analyzing the procedure of processing algorithm, we found out that they only need computation of maximum eigen value and corresponding eigenvector.
在筛选过程中，插值是产生本征模函数关键的一步，是希尔伯特谱分析的基础。
In the course of filtration, interpolation is the essential step to produce the intrinsic mode functions, and the basis of the Hilbert spectral analysis.
本文的重点是：阐述了利用矩阵本征值方法分析和设计激光谐振腔的系统理论；
The main work of this dissertation focuses on the analysis and design theory for a resonator with diffraction optical elements by using a matrix eigenvalue method.
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