Fast computation of the dynamic Allan variance
L Galleani, P Tavella - … Control Symposium Joint with the 22nd …, 2009 - ieeexplore.ieee.org
The dynamic Allan variance (DAVAR) is a tool that allows to understand if the stability of an
atomic clock is changing with time. Since an anomaly in the clock behavior generates a …
atomic clock is changing with time. Since an anomaly in the clock behavior generates a …
Performance evaluation of real-time carrier-phase GPS time transfer
SW Lee, J Kim - Measurement Science and Technology, 2009 - iopscience.iop.org
A real-time GPS time transfer system was developed to measure the phase difference
between clocks at the sub-nanosecond level. The relative performance of the system was …
between clocks at the sub-nanosecond level. The relative performance of the system was …
Control of clock signals
Precision and reliability of timescales are of importance in many situations, in particular in
satellite navigation systems (ie, Galileo system). Motivated by the necessity to improve the …
satellite navigation systems (ie, Galileo system). Motivated by the necessity to improve the …
Prototype of the DLR operational composite clock: methods and test cases
M Suess, J Hammesfahr - Proceedings of the 41st Annual Precise Time and …, 2009 - ion.org
The operational implementation of the ensemble Kalman filter Composite Clock (CC
developed by KR Brown), is the subject of this paper. Although the mathematical …
developed by KR Brown), is the subject of this paper. Although the mathematical …
Simulation of dual transponder carrier ranging measurements
X Zhao, X Jin, Z Jin - Journal of Zhejiang University-SCIENCE A, 2009 - Springer
The most dominant error source for microwave ranging is the frequency instability of the
oscillator that generates the carrier phase signal. The oscillator noise is very difficult to filter …
oscillator that generates the carrier phase signal. The oscillator noise is very difficult to filter …