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Slotted Waveguide Array Antenna using Dumbbell Patch for Millimeter-Wave  

이정수 (한국과학기술원 인공위성연구센터)
성영제 (고려대학교 정보통신대학 전파공학)
김영식 (고려대학교 정보통신대학 전파공학과)
Publication Information
Abstract
In this paper, the single-layer slotted waveguide array antenna is designed, which consists of two par the slot plate and the structure of waveguide. The key difficulty in mass production is the realization of perfect electrical contact between the two parts. Therefore the single-layer slotted waveguide array antenna is presented with a dumbbell patch and a choke. The choke can prevent from the leakage between the slot plate and waveguide, while the choke in the adjacent waveguide incurs space dissipation. To reduce the spacing of antennas about a dumbbell patch is utilized. the 16${\times}$16 array antenna gain of 27.2 ㏈ with 45 % aperture efficiency is obtained.
Keywords
Dumbbell Patch; Antenna; Slot; Millimeter-Wave;
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