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J. KIMS Technol > Volume 14(3); 2011 > Article
Journal of the Korea Institute of Military Science and Technology 2011;14(3):509-516.
DOI: https://doi.org/10.9766/KIMST.2011.14.3.509   
A Study on Design and Fabrication of SRD Impulse Generator and Antenna for Ground Penetrating Radar System
Hyoung-Jong Kim, Suk-Woo Shin, Gil-Wong Choi, Jin-Joo Choi, Shang-Youal Shin
1Kwangwoon University
2Samsung Thales
지반투과 레이더 시스템을 위한 SRD 임펄스 발생기 및 안테나의 설계 및 제작에 관한 연구
김형종, 신석우, 최길웅, 최진주, 신상열
1광운대학교
2삼성탈레스
Abstract
In this paper, a ground penetrating radar(GPR) system is implemented for landmine detection. The performance of the GPR system is associated with the characteristics of local soil and buried target. The choice of the center frequency and the bandwidth of the GPR system are the key factors in the GPR system design. To detect a small and shallow target, the higher frequencies are needed for high depth resolution. We have been designed, fabricated and tested a new impulse generator using step recovery diodes. The measured impulse response has an amplitude of 6.2V and a pulse width of 250ps. The implemented GPR system has been tested real environmental conditions and has proved its ability to detect a small buried target.
Key Words: Ultra Wideband, Ground Penetrating Radar, Step Recovery Diode, Bow-tie Antenna


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