Articles liés à Continuous GPS carrier-phase time transfer

Continuous GPS carrier-phase time transfer - Couverture souple

Yao, Jian

 
9783330065253: Continuous GPS carrier-phase time transfer
Couverture souple
ISBN 10 : 3330065257 ISBN 13 : 9783330065253
Editeur : LAP LAMBERT Academic Publishing, 2017

Synopsis

Time transfer (TT) is the process of transmitting a timing signal from one place to another place. It has applications to the formation and realization of Coordinated Universal Time (UTC), telecommunications, electrical power grids, and even stock exchanges. TT is the actual bottleneck of the UTC formation and realization since the technology of atomic clocks is almost always ahead of that of TT. GPS carrier-phase time transfer (GPSCPTT), as a mainstream TT technique accepted by most national timing laboratories, has suffered from the day-boundary-discontinuity (day-BD) problem for many years. This makes us difficult to observe a remote Cesium fountain clock behavior even after a few days. We find that day-BD comes from the GPS code noise. The day-BD can be lowered by ~40% if more satellite-clock information is provided and if a few GPS receivers at the same station are averaged. To completely eliminate day-BD, the RINEX-Shift (RS) and revised RS (RRS) algorithms have been designed. With the RS/RRS algorithm, we are able to observe a remote Cesium fountain after half a day.

Les informations fournies dans la section « Synopsis » peuvent faire référence à une autre édition de ce titre.

Présentation de l'éditeur

Time transfer (TT) is the process of transmitting a timing signal from one place to another place. It has applications to the formation and realization of Coordinated Universal Time (UTC), telecommunications, electrical power grids, and even stock exchanges. TT is the actual bottleneck of the UTC formation and realization since the technology of atomic clocks is almost always ahead of that of TT. GPS carrier-phase time transfer (GPSCPTT), as a mainstream TT technique accepted by most national timing laboratories, has suffered from the day-boundary-discontinuity (day-BD) problem for many years. This makes us difficult to observe a remote Cesium fountain clock behavior even after a few days. We find that day-BD comes from the GPS code noise. The day-BD can be lowered by ~40% if more satellite-clock information is provided and if a few GPS receivers at the same station are averaged. To completely eliminate day-BD, the RINEX-Shift (RS) and revised RS (RRS) algorithms have been designed. With the RS/RRS algorithm, we are able to observe a remote Cesium fountain after half a day.

Biographie de l'auteur

Jian Yao is currently a research associate at the National Institute of Standards and Technology (NIST, USA), where he performs studies in GPS carrier-phase time transfer and time scale algorithm. In 2014, he received a Ph.D. degree in physics from the University of Colorado at Boulder under the supervision of Dr. Judah Levine.

Les informations fournies dans la section « A propos du livre » peuvent faire référence à une autre édition de ce titre.

Éditeur
LAP LAMBERT Academic Publishing
Date d'édition
2017
Langue
anglais
ISBN 10 
3330065257
ISBN 13 
9783330065253
Reliure
Broché
Nombre de pages
160
Coordonnées du fabricant
non disponible
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