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http://dx.doi.org/10.7471/ikeee.2022.26.1.137

A Study on W-Band Monopulse Tracking System using Reflectarray Antenna  

Song, Hyejoo (Dept. of Information and Communication Engineering, Hanbat National University)
Ko, Seulgi (Dept. of Information and Communication Engineering, Hanbat National University)
Kim, Kichul (Defense Space Technology Center, Agency for Defense Development (ADD))
Pyo, Seongmin (Dept. of Information and Communication Engineering, Hanbat National University)
Publication Information
Journal of IKEEE / v.26, no.1, 2022 , pp. 137-140 More about this Journal
Abstract
In this paper, we proposed a new W-band monopulse tracking system based on reflectarray antenna structure. The proposed reflectarray antenna monopulse tracking system consists of four feed horn antennas and a planar reflector using a microstrip reflectarray. The four feed horn antennas have a gain of 10 dBi and a half-power beam-width of 56 degrees symmetrically in the E/H plane. It was confirmed that the reflectarray antenna using one feed horn antenna has a size of 41.8 × 41.8 mm2, a gain of 26.8 dBi, and a half-power beam-width of about 5.6 degrees. The reflectarray monopulse tracking system using 4 feeding horn antennas is well matched from 75 GHz to 90 GHz, and the isolation is secured by more than 10 dB. Finally, the proposed system shows the tracking range of 5.98 degrees and the tracking error range was 0.02 degrees.
Keywords
Monopulse; Tracking System; W-band; Reflectarray; Reflector Antenna;
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Times Cited By KSCI : 1  (Citation Analysis)
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