scholarly journals CONICAL BEAM WINDMILL-SHAPED ARRAY ANTENNA DESIGN BASED ON QUARTER-MODE SUBSTRATE INTEGRATED WAVEGUIDE

2013 ◽  
Vol 39 ◽  
pp. 1-8 ◽  
Author(s):  
Cheng Jin ◽  
Rui Li ◽  
Arokiaswami Alphones
Keyword(s):  
Array Antenna ◽  
Antenna Design ◽  
Substrate Integrated Waveguide ◽  
Conical Beam

scholarly journals A SIW Antipodal Vivaldi Array Antenna Design

2016 ◽  
Vol 2016 ◽  
pp. 1-10 ◽  
Author(s):  
Ying Suo ◽  
Wei Li ◽  
Jianzhong Chen
Keyword(s):  
Reflection Coefficient ◽  
Array Antenna ◽  
Antenna Design ◽  
Power Divider ◽  
Substrate Integrated Waveguide ◽  
Microstrip Lines ◽  
Index Gradient ◽  
Equal Power

A kind of compact SIW (substrate integrated waveguide) Vivaldi array antenna is proposed and analyzed. The antenna consisted of 4 Vivaldi structure radiation elements fed by an equal power divider with SIW technology. The radiation element is composed of antipodal index gradient microstrip lines on both sides of the substrate. The measured reflection coefficient of the array antenna is less than −10 dB from 8.88 GHz to 10.02 GHz. The measured gain of the array antenna is 13.3 dB on 9.5 GHz.

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