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Wyszukujesz frazę "time interval error" wg kryterium: Temat


Wyświetlanie 1-2 z 2
Tytuł:
PPS Quality Estimation From Different Receivers
Autorzy:
Kubczak, P.
Matuszewski, Ł.
Powiązania:
https://bibliotekanauki.pl/articles/114318.pdf
Data publikacji:
2016
Wydawca:
Stowarzyszenie Inżynierów i Techników Mechaników Polskich
Tematy:
PPS signal
GPS
GLONASS
frequency source
time interval error
time measurement
synchronization
Opis:
The article presents data analysis of the short-term and long-term-periodic characteristics of the PPS (Pulse Per Second) signal from the navigation systems. The signal arrival time to the Earth was assessed in relation to a high stability frequency source. The basic statistical properties of the signal were calculated, e.g. mean, variance, autocorrelation and actual distributions of random variables were depicted by using a histogram. The differences have been compared between the quality of the signal from the GPS network, the GLONASS network and their combination. The equipment offered by various manufacturers was assessed. Finally, the impact of the MAV filter (Moving Average) on the characteristics of the random variable was examined. At last, but not least, the autocorrelation was checked.
Źródło:
Measurement Automation Monitoring; 2016, 62, 11; 383-386
2450-2855
Pojawia się w:
Measurement Automation Monitoring
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Quantization error in time-to-digital converters
Autorzy:
Zaworski, Ł.
Chaberski, D.
Kowalski, M.
Zieliński, M.
Powiązania:
https://bibliotekanauki.pl/articles/221677.pdf
Data publikacji:
2012
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
time interval measurement
time-to-digital converter
quantization error
averaging
Opis:
Methods of time interval measurement can be divided into asynchronous and synchronous approaches. It is well known that in asynchronous methods of time-interval measurement, uncertainty can be reduced by using statistical averaging. The motivation of this paper is an investigation of averaging in time interval measurements, especially in a synchronous measurement. In this article, authors are considering the method of averaging to reduce the influence of quantization error on measurement uncertainty in synchronous time-interval measurement systems, when dispersion of results, caused by noise is present. A mathematical model of averaging, which is followed by the results of numerical simulations of averaging of measurement series is presented. The analysis of results leads to the conclusion that in particular conditions the influence of the quantization error on measurement uncertainty can be minimized by statistical averaging, similar to asynchronous measurements.
Źródło:
Metrology and Measurement Systems; 2012, 19, 1; 115-122
0860-8229
Pojawia się w:
Metrology and Measurement Systems
Dostawca treści:
Biblioteka Nauki
Artykuł
    Wyświetlanie 1-2 z 2

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