Advanced technologies for satellite navigation and geodesy
G Giorgi, TD Schmidt, C Trainotti, R Mata-Calvo… - Advances in Space …, 2019 - Elsevier
This manuscript reviews recent progress in optical frequency references and optical
communication systems and discusses their utilizations in global satellite navigation …
communication systems and discusses their utilizations in global satellite navigation …
A practical approach to optimal control problem for atomic clocks
KG Mishagin, VA Lysenko… - IEEE Transactions on …, 2019 - ieeexplore.ieee.org
Linear quadratic Gaussian (LQG) control is one of the known techniques used for steering
atomic clocks to external references. Complexity of the use of the LQG method is caused by …
atomic clocks to external references. Complexity of the use of the LQG method is caused by …
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 …
The effects of proportional steering strategies on the behavior of controlled clocks
D Matsakis - Metrologia, 2019 - iopscience.iop.org
Two approaches to steering clocks to a reference standard via frequency steers have been
explored in the literature, the pole placement (PP) approach and the linear quadratic …
explored in the literature, the pole placement (PP) approach and the linear quadratic …
Comparison of clock models in view of clock composition, clock steering and measurement fitting
C Trainotti, TD Schmidt, J Furthner - Proceedings of the 50th Annual Precise …, 2019 - ion.org
Global navigation satellite systems need a stable and robust system time in order to provide
services with high precision. A common approach for its generation is the composite clock …
services with high precision. A common approach for its generation is the composite 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 …
Simulating the realization of a mixed clock ensemble
C Trainotti, TD Schmidt… - 2019 Joint Conference of …, 2019 - ieeexplore.ieee.org
Global navigation satellite systems need a stable and robust system time in order to provide
services with high accuracy. A well established approach for the generation of such a time …
services with high accuracy. A well established approach for the generation of such a time …
Clock Steering Techniques for Atomic Clocks of Arbitrary Order
P Dey, S Murugesan, T Kawaguchi… - 2024 European …, 2024 - ieeexplore.ieee.org
In this paper, we have explored the possibility to exploit control theory to introduce new
steering techniques for atomic clocks of arbitrary order. Current studies show that most of the …
steering techniques for atomic clocks of arbitrary order. Current studies show that most of the …
Detection and identification of phase and frequency drifts in clock ensembles
C Trainotti, G Giorgi - Proceedings of the 51st Annual Precise Time and …, 2020 - ion.org
A stable system time scale is a fundamental part of Global Navigation Satellite Systems
(GNSSs). The composite clock approach provides a method for the generation of a stable …
(GNSSs). The composite clock approach provides a method for the generation of a stable …
Controlling clocks with PID controllers
D Matsakis - Proceedings of the 51st Annual Precise Time and Time …, 2020 - ion.org
The PID approach to controlling clocks determines a frequency steered based upon the dot
product of a 3-component gain vector with a vector whose components are optimal …
product of a 3-component gain vector with a vector whose components are optimal …