Hybrid applications of rf lens and absorbing material to optimize the radiation patterns of four-arm spiral antennas in the direction finding system

Chou, H.-T.H.-T.ChouLiao, W.-J.W.-J.LiaoHou, Y.-C.Y.-C.HouTuan, S.-C.S.-C.TuanHSI-TSENG CHOU2018-09-102018-09-102007http://www.scopus.com/inward/record.url?eid=2-s2.0-33846602710&partnerID=MN8TOARShttp://scholars.lib.ntu.edu.tw/handle/123456789/332353Hybrid applications of rf lens and absorbing material to optimize the radiation patterns of four-arm spiral antennas in the direction finding systemjournal article10.1163/156939307779391740