Zobrazeno 1 - 10
of 17
pro vyhledávání: '"T.K. Peppler"'
Publikováno v:
IEEE transactions on ultrasonics, ferroelectrics, and frequency control. 52(8)
We describe a method based on the total deviation approach whereby we improve the confidence of the estimation of the Hadamard deviation that is used primarily in Global Positioning System (GPS) operations. The Hadamard-total deviation described in t
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::738050937a36c4fea656820a918b1036
https://pubmed.ncbi.nlm.nih.gov/16245595
https://pubmed.ncbi.nlm.nih.gov/16245595
Autor:
David A. Howe, T.K. Peppler
Publikováno v:
IEEE International Frequency Control Sympposium and PDA Exhibition Jointly with the 17th European Frequency and Time Forum, 2003. Proceedings of the 2003.
We introduce a statistic that can be used for a particularly difficult measurement problem, namely, determining frequency stability for frequency standards and oscillators for averaging times longer than those the traditional Allan deviation can esti
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b245af877ed35e4b00bd325e58021d91
https://doi.org/10.1109/freq.2003.1275095
https://doi.org/10.1109/freq.2003.1275095
Publikováno v:
Proceedings of the 42nd Annual Frequency Control Symposium, 1988..
The National Physical Laboratory of Israel (INPL) together with Time and Frequency Limited (TFL) and NBS is building a software clock to be used as the Israeli national time base, UTC (INPL). The software clock is based on several commercial Cs clock
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::ab9a1f6ca16a7920004be97b75d8de4a
https://doi.org/10.1109/freq.1988.27644
https://doi.org/10.1109/freq.1988.27644
Autor:
T.K. Peppler, D.W. Allan
Publikováno v:
Proceedings of the 42nd Annual Frequency Control Symposium, 1988..
In anticipation of cross-link ranging in the Global Positioning System (GPS) and the establishing of GPS ensemble time, the frequency stability characteristics of the clocks in the constellation were investigated. Once those characteristics were asce
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::daffb07430a5b08ec374e2f79205cc35
https://doi.org/10.1109/freq.1988.27641
https://doi.org/10.1109/freq.1988.27641
Publikováno v:
Proceedings of International Frequency Control Symposium.
With the increasing number of cavity-tuned hydrogen masers in use around the world in time scales and as reference oscillators for primary frequency standards, it is necessary to have a complete understanding of the environmental sensitivities of the
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::2b306bca2b159f3955c51076825609d2
https://doi.org/10.1109/freq.1997.638559
https://doi.org/10.1109/freq.1997.638559
Autor:
David A. Howe, T.K. Peppler
Publikováno v:
Proceedings of the 2001 IEEE International Frequncy Control Symposium and PDA Exhibition (Cat. No.01CH37218).
This paper summarizes the definitions and properties of frequency and time variance estimators based on the "total" approach. These definitions and properties are not available in one document, yet this statistical approach produces variance estimate
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::19384d7bf89126196dcc981f8507d2b6
https://doi.org/10.1109/freq.2001.956175
https://doi.org/10.1109/freq.2001.956175
Publikováno v:
IEEE Transactions on Instrumentation and Measurement. 38:631-635
A study is made of the various aspects of the algorithm theoretically, comparing the NBS (US National Bureau of Standards) algorithm with a Kalman filter to discuss questions of optimality. It is shown that since the time of a clock is not measured,
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::15f986472917027c21cae072b837ff3e
https://doi.org/10.1109/19.192364
https://doi.org/10.1109/19.192364
Publikováno v:
IEEE Transactions on Instrumentation and Measurement. 38:624-630
The authors show that significant gains in clock performance have been and can be obtained through the algorithms which optimize the clock readings and through international comparisons now available via satellite. Algorithms for processing are more
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::23a87bc58d9f5c337a2e8f9b58913a81
https://doi.org/10.1109/19.192363
https://doi.org/10.1109/19.192363
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