“A Combined Numerical-Empirical Orbit Propagation Algorithm for Satellite Tracking and Backup Navigation SystemJan 1, 2012·Ghangho KimSanghoon JeonChongwon KimDeokhwa HanChangdon Kee· 0 min readLast updated on Jan 1, 2012 AuthorsGhangho KimPh.DAuthorsSanghoon JeonPh.DAuthorsChongwon KimPh.DAuthorsDeokhwa HanPh.DAuthorsChangdon KeeProfessor Emeritus← 의사위성의 펄싱방법에 대한 GPS 소프트웨어 수신기의 L1, L2C 신호획득 성능분석 Feb 1, 2012“A New Concept of APNT: MOSAIC/DME 3D- Positioning with a Single DME Station Jan 1, 2012 →