• DocumentCode
    2591932
  • Title

    Study of algorithm to ensemble atomic time

  • Author

    Zhong, Chong Xia ; Xu, Yue Qing ; Yang, Jun ; Zhang, Sheng Kang

  • Author_Institution
    Beijing Inst. of Radio Metrol. & Meas., Beijing, China
  • fYear
    2009
  • fDate
    20-24 April 2009
  • Firstpage
    664
  • Lastpage
    669
  • Abstract
    An ensemble atomic time algorithm was developed based on wavelet packet analysis. Ensemble atomic time can be obtained by decomposing the clock difference of atomic clocks, extracting the components of different frequency domain, and then choosing the weight according to the stability of different component denoted with wavelet variance. The optimization characteristic of genetic algorithm was introduced and model of atomic clock signal was constructed. And genetic algorithm was used to optimize this model, then to validate the optimization model with dispersion data of atomic clock measured in laboratory. It can prove that genetic algorithm and wavelet packet algorithm was appropriate.
  • Keywords
    atomic clocks; frequency-domain analysis; genetic algorithms; wavelet transforms; atomic clock signal; clock difference; ensemble atomic time algorithm; frequency domain; genetic algorithm; wavelet packet analysis; Algorithm design and analysis; Atomic clocks; Atomic measurements; Dispersion; Frequency domain analysis; Genetic algorithms; Stability; Wavelet analysis; Wavelet domain; Wavelet packets;
  • fLanguage
    English
  • Publisher
    ieee
  • Conference_Titel
    Frequency Control Symposium, 2009 Joint with the 22nd European Frequency and Time forum. IEEE International
  • Conference_Location
    Besancon
  • ISSN
    1075-6787
  • Print_ISBN
    978-1-4244-3511-1
  • Electronic_ISBN
    1075-6787
  • Type

    conf

  • DOI
    10.1109/FREQ.2009.5168266
  • Filename
    5168266