01321nam a2200349 c 4500001001300000005001500013007000300028008004100031020002500072049003200097052001400129056001100143074002500154082001500179245014300194260007900337300003700416500007100453504002400524650004700548700002700595700002200622700002200644700002200666880007200688880008600760880002900846880003000875880002700905880002500932950001400957KMO20223117120220706150302ta220217s2021    jnkad         000   korNH  a9791158201951g935600 lEM8187673lEM8187674c2fGP01a568b22-5  a56826  k11-1721137-000109-0101a621.38223006880-01a무인항공기 활용 등 전파이용기술 연구 /d연구책임자: 최광호 ;e연구원: 최장석,e박희준,e제민기  6880-02a나주 :b과학기술정보통신부 국립전파연구원,c2021  a45 p. :b삽화, 도표 ;c26 cm  a권말부록: 2021 ITU-R SG3 기고서 ; 학술대회 발표논문  a참고문헌 수록 8a전파 공학[電波工學]0KSH20020411571 6880-03a최광호4aut1 6880-04a최장석1 6880-05a박희준1 6880-06a제민기006245-01/(BaMuin hanggonggi hwaryong deung jeonpa iyong gisul yeongu  6260-02/(BaNaju :bGwahak Gisul Jeongbo Tongsinbu Gungnip Jeonpa Yeonguwon,c20211 6700-03/(BaChoe, Gwangho1 6700-04/(BaChoe, Jangseok1 6700-05/(BaBak, Huijun1 6700-06/(BaJe, Mingi1 a비매품