最后验证了电磁对偶的双四维势电磁场理论具有SO(2)电磁对偶性。
Finally, we verified that the doublet four dimensional potential electromagnetic theory has obvious SO (2) duality symmetry.
同时，电磁波导的辛分析也是构造对偶有限元的理论基础。
Moreover, symplectic analysis for electromagnetic waveguides provides the theoretical basis for constructing dual finite element method (FEM).
本文基于对偶变量变分原理，参照矢量基有限元的构造，提出了电磁波导的对偶棱边元。
On the basis of dual variables variational principle for electromagnetic waveguides, dual edge element is presented in this thesis.
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