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Waveguide Broad-Wall Slot Array Monopulse Antenna for Millimeter-Wave Seeker Using Dip Brazing Method
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 Title & Authors
Waveguide Broad-Wall Slot Array Monopulse Antenna for Millimeter-Wave Seeker Using Dip Brazing Method
Baek, Jong-Gyun; Jung, Chae-Hyun; Lee, Kook-Joo; Park, Chang-Hyun;
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 Abstract
In this paper, the design of longitudinal shunt slot array monopulse antenna in the broad wall of waveguide for Ka band millimeter-wave seeker, Dip-Brazing method for fabrication and experiment results are presented. The proposed antenna consists of radiating slots by using Elliot's array synthesis procedure, probe-exciting feed structure for improving the return loss bandwidth and monopulse comparator. Element weigthings in the array have been calculated by continuous Taylor aperture distribution. Also, the simulation tool has been used to characterize the individual isolated slot, which has subsequently been used in Elliot's method to design the slot array efficiently. The designed antenna is fabricated using Dip-Brazing method. The gain of measured antenna is 28.4 dBi. Antenna beamwidth and side lobe levels are similar to the design result we expect.
 Keywords
Waveguide Slot Antenna;Array Antenna;Monopulse Antenna;Dip Brazing;
 Language
Korean
 Cited by
 References
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