NDLI: Estimation technique for long-term performance of GNSS on-board clock based on monitoring information

Content Provider	IEEE Xplore Digital Library
Author	Cui Xiaozhun Nie Xin Mi Hong Liu Qingjun
Copyright Year	2012
Description	Author affiliation: Institute of Spacecraft, System Engineering, China Academy of Space Technology, Beijing, China (Cui Xiaozhun; Nie Xin; Mi Hong; Liu Qingjun)
Abstract	In-orbit long-term performance of GNSS (Global Navigation Satellite System) clocks is being estimated with respect to the monitoring information of the phase comparisons between the main clock and the redundancy. In the satellite clock generator, the time-difference against each other for the onboard main clock and the redundancy is sampled continuously as monitoring information. The monitoring information is transmitted down to ground. The receiver on the sensor station demodulated the monitor information. Data processing is operated on the time-difference of on-board clocks and the long-term property of on-board clocks can be estimated. The proposed technique is considered to be simple, fast and need not require special time-frequency test equipment. Comparing to the ground measurements, a very good agreement can be obtained with the proposed technique.
Starting Page	1
Ending Page	4
File Size	419206
Page Count	4
File Format	PDF
ISBN	9781467346825
e-ISBN	9781467346818
DOI	10.1109/EEEI.2012.6377127
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2012-11-14
Publisher Place	Israel
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Clocks Radiation detectors Monitoring Satellites Satellite navigation systems Redundancy Estimation clock Long-term property navigation satellite
Content Type	Text
Resource Type	Article

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1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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