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 …
A clock steering method: using a third-order type 3 DPLL equivalent to a Kalman filter with a delay
Y Wu, H Gong, X Zhu, G Ou - Metrologia, 2015 - iopscience.iop.org
In this paper we propose a new clock steering method, which uses a third-order type 3
digital phase locked loop (DPLL) which is equivalent to a Kalman filter with a delay. A …
digital phase locked loop (DPLL) which is equivalent to a Kalman filter with a delay. A …
Comparison between simulation and hardware realization for different clock steering techniques
M Gödel, TD Schmidt, J Furthner - Metrologia, 2019 - iopscience.iop.org
Clock steering is an important discipline within the time and frequency community as well as
in cognate disciplines such as global navigation satellite systems (GNSSs). In the latter …
in cognate disciplines such as global navigation satellite systems (GNSSs). In the latter …
Advanced Timing Monitoring and Control Systems in Space
A Zenzinger, N Rentzsch, M Lantschner… - Proceedings of the 25th …, 2012 - ion.org
In this paper the importance of timing monitoring and control systems for satellite navigation
systems is explained and the current design and performance is detailed. Based on this, the …
systems is explained and the current design and performance is detailed. Based on this, the …
A DPLL method applied to clock steering
Y Wu, H Gong, X Zhu, G Ou - IEEE transactions on …, 2016 - ieeexplore.ieee.org
Several closed-loop control methods have dealt with clock steering problems, but
parameters for these methods are not easy to choose. In this paper, we propose a new clock …
parameters for these methods are not easy to choose. In this paper, we propose a new clock …
Comparing clock steering technique performances in simulations and measurements
TD Schmidt, C Trainotti, J Furthner - Proceedings of the 50th Annual Precise …, 2019 - ion.org
Robust, reliable and stable time scales are needed in a wide field of applications, ie in the
Global Navigation Satellite System (GNSS) sector. The performance of GNSSs for ground …
Global Navigation Satellite System (GNSS) sector. The performance of GNSSs for ground …
New concept for the on-board master clock generation unit for future Galileo satellites
F Soualle, T Beck, H Trautenberg, D Felbach… - Proceedings of the 2010 …, 2010 - ion.org
Measurements based on the Galileo experimental sensor stations have confirmed the
expectations regarding the stability of the atomic clocks on-board the GIOVE-A and GIOVE-B …
expectations regarding the stability of the atomic clocks on-board the GIOVE-A and GIOVE-B …
Satellite clocks characterization and monitoring for global navigation satellite systems
A Cernigliaro, I Sesia - 2011 XXXth URSI general assembly …, 2011 - ieeexplore.ieee.org
In Global Navigation Satellite Systems (GNSS) the user's position is determined measuring
the time of flight of the signals broadcast from satellites, which is proportional to the distance …
the time of flight of the signals broadcast from satellites, which is proportional to the distance …
Novel composite clock algorithm for the generation of galileo robust timescale
P Roldan, S Trilles, X Serena, A Tajdine - … Meeting of the Satellite Division of …, 2022 - ion.org
The synchronization of satellite clocks is one of the key functions for the satellite geolocation
provided by the navigation systems. This time synchronization is carried out with respect to a …
provided by the navigation systems. This time synchronization is carried out with respect to a …
Clock Requirements and Trade-Off for Satellite-Based Navigation Systems
E Detoma, A Godone, F Levi, P Tavella… - 33 rd Annual Precise …, 2001 - apps.dtic.mil
Satellite-based navigation systems, such as GPS, Glonass, and the planned Galileo
European system rely on stable atomic clocks for their operation. Space-borne and ground …
European system rely on stable atomic clocks for their operation. Space-borne and ground …