Title :
Detection of GPS clock jump using teager energy operator
Author :
Heo, Y.J. ; Cho, J. ; Heo, M.B.
Author_Institution :
Satellite Navig. Dept., KARI, Daejeon, South Korea
Abstract :
This paper describes a simple technique to detect discontinuities in GPS clock behavior. We develop a real-time technique to detect GPS clock anomalies. In order to detect sudden jumps in the clock, we employ GPS measurements and the Teager energy operator. The results demonstrate that the proposed clock jump detection scheme can effectively detect clock jumps of less 10 ns from GPS measurements.
Keywords :
Global Positioning System; measurement; GPS clock jump detection; GPS measurement; Teager energy operator; real time technique; Atomic clocks; Atomic measurements; Degradation; Electromagnetic measurements; Energy measurement; Extraterrestrial measurements; Frequency; Global Positioning System; Position measurement; Satellite navigation systems;
Conference_Titel :
Precision Electromagnetic Measurements (CPEM), 2010 Conference on
Conference_Location :
Daejeon
Print_ISBN :
978-1-4244-6795-2
DOI :
10.1109/CPEM.2010.5545272