Noise Differentiation and Atom Number Measurement in Optical Lattice Clocks by Analyzing Clock Stabilities with Various Parameters

Autor: Guodong Zhao, Feng Guo, Xiaotong Lu, Hong Chang

Publikováno v: Applied Sciences, Vol 14, Iss 5, p 1758 (2024)

We propose a method that enables the precise determination of the number of atoms in a Dick-noise-free optical lattice clock, by effectively addressing quantum projection noise. Our approach relies on conducting stability measurements at three distin

Externí odkaz: https://doaj.org/article/f664e04b297e4f73a9501ec2510a9294

Evaluating Optical Clock Performance for GNSS Positioning

Autor: Enkhtuvshin Boldbaatar, Donald Grant, Suelynn Choy, Safoora Zaminpardaz, Lucas Holden

Publikováno v: Sensors, Vol 23, Iss 13, p 5998 (2023)

Atomic clocks are highly precise timing devices used in numerous Positioning, Navigation, and Timing (PNT) applications on the ground and in outer space. In recent years, however, more precise timing solutions based on optical technology have been in

Externí odkaz: https://doaj.org/article/f589df5a33c242d6b51e86b97dc7760e

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Analysis of BDS-3 Onboard Clocks Based on GFZ Precise Clock Products

Autor: Tao Geng, Rui Jiang, Yifei Lv, Xin Xie

Publikováno v: Remote Sensing, Vol 14, Iss 6, p 1389 (2022)

The characteristics and performance of satellite clocks are important to the positioning, navigation, and timing (PNT) services of Global Navigation Satellite System (GNSS) users. Although China’s BeiDou-3 Navigation Satellite System (BDS-3) has be

Externí odkaz: https://doaj.org/article/eb6e307bd10242ceb0ea4aae06bb09d0

A multi‐frequency method to improve the long‐term estimation of GNSS clock corrections and phase biases

Autor: Rovira‐Garcia, A., Juan, J. M., Sanz, J., González‐Casado, G., Ventura‐Traveset, J., Cacciapuoti, L., Schoenemann, E.

Publikováno v: NAVIGATION, Journal of the Institute of Navigation
UPCommons. Portal del coneixement obert de la UPC
Universitat Politècnica de Catalunya (UPC)

The space segment of the Global Navigation Satellite System (GNSS) is equipped with highly stable atomic clocks. In order to use these clocks as references, their time offsets must be estimated from ground measurements as accurately as possible. This

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::a4d021ea500bb0037b4b5286edd8acc0
https://doi.org/10.1002/navi.453