4Hz GPS 수신기만을 이용한 소형체공형무인기 비행제어시스템 설계 및 비행시험 Nov 12, 2009· Am Cho Jihoon Kim Heekwon No , Changdon Kee (Seoul National University) , Samok Gu (KARI) · 0 min read Last updated on Nov 12, 2009 Authors Am Cho Ph.D Authors Jihoon Kim Ph.D Authors Heekwon No Ph.D ← Pedestrian Indoor Navigation Algorithm based on the Pseudolite and Low-cost IMU with Magnetometers Including In-Flight Calibration Jan 1, 2010 소형 체공형 무인기 공력계수 추정 및 보정 Nov 12, 2009 →