The impedance and radiation characteristics of ridged horn are calculated by using the FDTD method with PML absorbing boundary condition and CP method on treatment of curve PEC boundary and slot between ridges. The amplitude and phase for antenna field are given, and results show that this method is perfect.
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刘培国,刘克成,何建国,等.加脊喇叭天线的时域分析[J].国防科技大学学报,2000,22(1):28-30. LIU Peiguo, LIU Kecheng, HE Jianguo, et al. Analysis of Ridged Horn in Time Domain[J]. Journal of National University of Defense Technology,2000,22(1):28-30.