한국형 지역 위성 통신항법시스템의 위성 궤도설계에 관한 연구 Jul 1, 2005· Sanghyun Lee Byungwoon Park Doyoon Kim Changdon Kee · 0 min read Last updated on Jul 1, 2005 Authors Sanghyun Lee M.S Authors Byungwoon Park Ph.D Authors Doyoon Kim Ph.D Authors Changdon Kee Professor ← Optimal Hatch Filter With a Flexible Smoothing Window Width Sep 1, 2005 Detecting RFI Through Integrity Monitoring at a DGPS Reference Station Jun 1, 2005 →