이중 차분 반송파 위상 측정치 활용 대류층 지연 오차의 수평 기울기 추정 (Estimation of Tropospheric Horizontal Gradient by Using Double-Differenced Carrier Phase Measurement) Nov 11, 2020· Bu-gyeom Kim Donguk Kim Changdon Kee · 0 min read Last updated on Nov 11, 2020 Authors Bu-gyeom Kim Ph.D Authors Donguk Kim Ph.D Authors Changdon Kee Professor ← Theoretical Position and Pseudorange Analysis of One-Way Indoor Positioning System Based on Overlapping Autocorrelation Functions Nov 11, 2020 Frequency Tracking Error Analysis of LQG Based Vector Tracking Loop for Robust Signal Tracking Sep 1, 2020 →