vector modal theory 矢量模态理论 ; 矢量模式理论
real modal theory 实模态理论
cavity modal theory 腔模理论
strict modal theory 严格的模式理论
fourier modal theory 傅立叶模式理论
complex modal theory 复模态理论
rigorous modal theory 严格模式理论
coherency modal theory 相干模式理论
modal theory of coherence 相干模式理论
Based on the complex modal theory, some problems arising in machine tool modal analysis by impulse excitation are examined.
本文从复模态理论出发，探讨了在机床模态分析中，应用脉冲激振法激励机床时的一些问题。
Diffractive properties of two dimensional relief gratings made with electromagnetic anisotropic medium are theoretically analysed by using rigorous modal theory, and the degradation is discussed.
利用严格模式理论对二维电磁各向异性浮雕型介质光栅的衍射特性进行了理论分析，并对其退化情形进行讨论。
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