1. Department of Electrical Engineering, Ulsan National Institute of Science and Technology (UNIST), Ulsan, South Korea
2. Radar Research and Development Team, LIG Nex1 Company Ltd., Yongin, Republic of Korea
3. RF and IIR Seeker Research and Development Team, LIG Nex1 Company Ltd., Yongin, Republic of Korea
4. School of Electronic and Electrical Engineering, Hongik University, Seoul, Republic of Korea