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Design of Nx1 Modified Rectangular Loop Array Antenna for Radar Application  

Jang, Jae-Su (Bluewavetel)
Ko, Jin-Hyun (Bluewavetel)
Ha, Jae-Kwon (Bluewavetel)
Kim, Tae-Hyun (Chungnam National University)
Park, Dong-Chul (Chungnam National University)
Kim, Chan-Hong (ADD)
Publication Information
Journal of the Korea Institute of Military Science and Technology / v.9, no.1, 2006 , pp. 144-151 More about this Journal
Abstract
A rectangular loop antenna for S-band radar is proposed. The proposed loop antenna is the modified type of folded monopole antenna. The feeding line is coplanar stripline with $180^{\circ}$ phase difference for operating in odd mode. The proposed antenna showed return loss of -15.57dB at the center frequency and bandwidth of about 790MHz (> 25%) under the condition of VSWR < 2. The gains of single, 1x2, and 1x4 array loop antennas are 4.3, 7.0, and 10.2dBi, respectively.
Keywords
Loop Antenna; Folded Monopole; Stripline; Odd Mode Feeding Line;
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