A new symplectic geometrical highfrequency approximation method for solving the propagation of electromagnetic wave in an inhomogeneous medium is presented.
提出了一种基于辛几何的高频近似的新方法，并用此方法求解了电磁波在一非均匀媒质中的传播问题。
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Ground Penetrating Radar (GPR) is a geophysical prospecting method by using reflection of high-frequency electromagnetic wave to detect target and underground medium distribution.