1PATHAK P H, KOUYOYMJIAN R G. A uniform geometrical theory of diffraction for an edge in a per fectly conducting surface [J]. Proc. IEEE. 1974, 62: 1448- 1461.
2LUEBBRES R J. Finite conductivity uniform GTD versus knife edge diffraction in prediction of propagation path loss[J]. IEEE. AP, Jam 1984, 31 (1): 70- 76.
