A wavelet analysis on the environment temperature variation of an atomic clock.

Details A wavelet analysis on the environment temperature variation of an atomic clock. A wavelet analysis on the environment temperature variation of an atomic clock.

Jun 1997

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1997pshao..20...36k&link_type=abstract

Publ. Shaanxi Astron. Obs., Vol. 20, p. 36 - 42

Computer Science

Performance

Atomic Clocks: Accuracies

Scientific paper

The variation of performance of an atomic clock is a typical nonstationary process. Linear and stationary models do not suit to the variation of a real atomic clock. The authors have attached great importance to ejecting the environment temperature effect acting on atomic clocks. Some papers analysed the relationship between environment temperature and the variation of phase-time of an atomic clock by means of the traditional correlation method, but the result was not a quantitative one. With the unique function of detection of the wavelet theory, the atomic clock temperature response is analysed. Based on the signal reconstruction principle of the wavelet theory, the variation of phase-time of an atomic clock with the changes of environment temperature is extracted. The periodic undulation of the performance of an atomic clock with the temperature variation during a whole day has been shown to be obvious by means of both the methods, wavelet theory and the traditional correlation.

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