標題: An Approximate Method of Obtaining Surface-wave Band Gap from Reflection Phase Plots for Mushroom Structures
作者: Chao, Wei-Chuan
Kehn, Malcolm Ng Mou
傳播研究所
Institute of Communication Studies
關鍵字: Periodic structures;artificial magnetic conductors (AMCs);electromagnetic band gap (EBG) structures;EM wave theory and modeling;antennas
公開日期: 2014
摘要: This paper proposes an approximate method of obtaining the surface-wave band gap from reflection phase plots for mushroom structures. The upper bound of the band gap can be found by observing the first in-phase frequency on the reflection phase plot of TE plane waves under grazing incidence, and the lower bound of the band gap can be approximated by the three specific frequencies on reflection phase plots of TM plane waves: the first in-phase frequencies under normal and grazing incidence and the frequency where the first +90 degrees reflection phase occurs. By comparing surface-wave band gaps obtained from dispersion plots and from reflection phase plots through the approximate method in the commercial software CST, results show that the errors of estimated values are less than 10% in different cases of mushroom structures.
URI: http://hdl.handle.net/11536/136147
期刊: 2014 INTERNATIONAL SYMPOSIUM ON ANTENNAS AND PROPAGATION (ISAP)
起始頁: 131
結束頁: 132
顯示於類別:會議論文