Input impedance of concentric ring microstrip antennas for dual frequency band operation including surface wave coupling

1990 ◽  
Vol 137 (6) ◽  
pp. 331 ◽  
Author(s):  
N.S. Nurie ◽  
R.J. Langley
Author(s):  
J. Maximilian Placzek ◽  
Peter A. Hoeher ◽  
Pramod K. Prasobhu ◽  
Marco Liserre ◽  
Giampaolo Buticchi

2008 ◽  
Vol 1 ◽  
pp. 191-198 ◽  
Author(s):  
Durbadal Mandal ◽  
Rajib Sri Kar ◽  
Anup Kumar Bhattacharjee

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