1Yee K S. Numeriacal Solution of Initial Boundary Value Problems Involving Maxwell' s Equation in Isotropic Media[J].IEEE Trans., 1966(14):302-307.
2Cangellaris A C, Lin C C, Mei K K. Point-mathed Time-domain Finite Element Methods for Electromagnetic Radiation and Scattering[J].IEEE Trans. on Antennas Popagation, 1987,35(10) 1160-1173.