[7] [7] ANDERSH D, MOORE J. Xpatch 4: the next generation in high frequency electromagnetic modeling and simulation software［C］//IEEE International Radar Conference, 2000: 844-849.

[8] [8] BHALLA R, LING H. Near-field signature prediction using far-field scattering centers extracted from the shooting and bouncing ray technique［J］. IEEE Transactions on Antennas and Propagation, 2000, 48(2): 337-338.

[9] [9] RIUS J M, FERRANDO M, JOFRE L. GRECO: graphical electromagnetic computing for RCS prediction in real time［J］. IEEE Antennas and Propagation Magazine, 1993, 35(2): 7-17.