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http://dx.doi.org/10.5515/KJKIEES.2009.20.12.1340

Developement of Planar Active Array Antenna System for Radar  

Chon, Sang-Mi (Microwave R&D Lab, LIG Nex1)
Na, Hyung-Gi (Microwave R&D Lab, LIG Nex1)
Kim, Soo-Bum (Microwave R&D Lab, LIG Nex1)
Lee, Jeong-Won (Microwave R&D Lab, LIG Nex1)
Kim, Dong-Yoon (Microwave R&D Lab, LIG Nex1)
Kim, Seon-Joo (Agency for Defense Development)
Ahn, Chang-Soo (Agency for Defense Development)
Lee, Chang-Hee (M&S(Defense Agency for Technology and Quality))
Publication Information
The Journal of Korean Institute of Electromagnetic Engineering and Science / v.20, no.12, 2009 , pp. 1340-1350 More about this Journal
Abstract
The design and implementation of planar Active Phased Array Antenna System are described in this paper. This Antenna system operates at X-band with its bandwidth 10 % and dual polarization is realized using dual slot feeding microstrip patch antenna and SPDT(Single Pole Double Through) switch. Array Structure is $16\times16$ triangular lattice structure and each array is composed of TR(Transmit & Receive) module with more than 40 dBm power. Each TR module includes digital attenuator and phase shifter so that antenna beam can be electronically steered over a scan angle$({\pm}60^{\circ})$. Measurement of antenna pattern is conducted using a near field chamber and the results coincide with the expected beam pattern. From these results, it can be convinced that this antenna can be used with control of beam steering and beam shaping.
Keywords
Active Array Antenna; Beam Steering Algorithm;
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