典型文献
Temporal Modal Analysis of Small Radiators
文献摘要：
Resonance is a common physical phe-nomenon in real world,and the modal analysis is a useful tool.Within the regime of electromagnetics,characterist-ic mode theory is established in frequency domain(FD),and it is doubtful that whether we can find similar modes in time domain(TD).In this paper,resonating modes of a vibrating string are briefly reviewed.Special attentions are paid to the time-domain behaviors of the resonating modes,by following which a temporal modal analysis is proposed.Additionally,a narrow plate is selected as an example since it has a similar structure as the vibrating string.Temporal modal behaviors of the plate are presen-ted and discussed.To further demonstrate this concept,a rigorous analysis of a sphere is provided.A frequency-in-dependent condition is discussed and verified for small ob-jects,and it results in a band-limited constraint.In addi-tion,the temporal modal analysis with excitations is presented,and its potential applications are discussed with emphasis on the analyzing and optimizing transient behaviors of antennas.This work expands largely the field of characteristic mode and may find applications for scat-tering and antennas.
文献关键词：
中图分类号：
作者姓名：
WU Qi
作者机构：
The School of Electronic and Information Engineering,Beihang University,Beijing 100191,China
文献出处：
引用格式：
[1]WU Qi-.Temporal Modal Analysis of Small Radiators)[J].电子学报（英文）,2022(06):1112-1120
A类：
Radiators,presen
B类：
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AB值：
0.569175
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