Detection of anomalies in the behavior of atomic clocks

IEEE Transactions on Instrumentation and Measurement

Volumn 56, Issue 2, 2007, Pages 523-528

  Nunzi, Emilia ^a   Galleani, Lorenzo ^b   Tavella, Patrizia ^c   Carbone, Paolo ^a  

^a UNIVERSITY OF PERUGIA   (Italy)

^b POLITECNICO DI TORINO   (Italy)

^c ISTITUTO NAZIONALE DI RICERCA METROLOGICA   (Italy)

Author keywords

Anomaly detection; Atomic clock; Dynamic Allan variance (DAVAR); Generalized likelihood ratio test (GLRT); Non stationary noise

Indexed keywords

COVARIANCE MATRIX; SPURIOUS SIGNAL NOISE; STABILITY;

ANOMALY DETECTION; DYNAMIC ALLAN VARIANCE; GENERALIZED LIKELIHOOD RATIO TEST; NON-STATIONARY NOISE;

ATOMIC CLOCKS;

EID: 34047206784     PISSN: 00189456     EISSN: None     Source Type: Journal    
DOI: 10.1109/TIM.2007.891118     Document Type: Conference Paper

References (5)

1. IEEE Standard Definitions of Physical Quantities for Fundamental Frequency and Time Metrology - Random Instabilities, IEEE Std. 1139, 1999.
2. D. W. Allan, "Time and frequency (time-domain) characterization, estimation, and prediction of precision clocks and oscillators," IEEE Trans. Ultrason., Ferroelectr., Freq. Control, vol. UFFC-34, no. 6, pp. 647-654, Nov. 1987.
3. S. M. Kay, Fundamentals of Statistical Signal Processing, Volume 2: Detection Theory. Englewood Cliffs, NJ: Prentice-Hall, 1998.
4. L. Galleani and P. Tavella, "The characterization of clock behavior with the dynamic Allan variance," in Proc. Joint IEEE FCS and EFTF, 2003, pp. 239-244.
5. L. Galleani and P. Tavella, "Tracking nonstationarities in clock noises using the dynamic Allan variance," in Proc. Joint IEEE FCS and PTTI, 2005, pp. 392-396.