Title : 
Active FSS in an experimental horn antenna switchable between two beamwidths
         
        
            Author : 
Philips, B. ; Parker, E.A. ; Langley, R.J.
         
        
            Author_Institution : 
Electron. Eng. Labs., Kent Univ., Canterbury, UK
         
        
        
        
        
            fDate : 
1/5/1995 12:00:00 AM
         
        
        
        
            Abstract : 
An experimental H-plane sectoral horn with interior active FSS wall in the E-plane is described. The FSS is switchable between transmitting and reflecting states, which enables the horn beamwidth to be varied
         
        
            Keywords : 
antenna radiation patterns; frequency selective surfaces; horn antennas; E-plane interior active FSS wall; H-plane sectoral horn; active frequency selective surface; dual beamwidth; horn beamwidth variation; reflecting state; switchable antenna; transmitting state;
         
        
        
            Journal_Title : 
Electronics Letters
         
        
        
        
        
            DOI : 
10.1049/el:19950007