On-line Detection of Tracking Loss in Aviation GPS Receivers Using Frequency-lock LoopsApr 1, 2009·Hyoungmin SoSujin ChoiSanghoon JeonChangdon Kee· 0 min read DOILast updated on Apr 1, 2009 AuthorsHyoungmin SoPh.DAuthorsSujin ChoiM.SAuthorsSanghoon JeonPh.DAuthorsChangdon KeeProfessor Emeritus← UAV Gimbaled Camera 를 이용한 조난자 탐색 및 추적 알고리즘 연구 Apr 16, 2009“ Efficient Ionospheric Model using Wavelet for Geomagnetic Storm Jan 1, 2009 →