현승엽 Kim Se Yun 2024-01-13T12:32:05Z 2024-01-13T12:32:05Z 2021-09-29 https://pubs.kist.re.kr/handle/201004/106821 English groun-penetrating radar FDTD wooden column 지하침투 레이다 시간영역 유한차분 나무기둥 A feasibility study on the detection of anomaly inside wood by using ground-penetrating radar probing Conference 1 Proceedings of PIERS 2002, pp.225 Proceedings of PIERS 2002 225 225 US