A study and performance evaluation of hydrogen maser used in mobile VLBI stations

Details A study and performance evaluation of hydrogen maser used in mobile VLBI stations A study and performance evaluation of hydrogen maser used in mobile VLBI stations

Feb 2001

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2001acasn..42...94z&link_type=abstract

Acta Astronomical Sinica, vol.42, no.1, p.94-100.

Physics

Optics

Hydrogen Maser, Frequency Stability, Vlbi, Time Synchronization

Scientific paper

The H-maser is an essential frequency reference standard for radio astronomy. This paper provides information about the design and specification of a new generation of the H-maser for the Chinese mobile VLBI stations, including the improvement of the cavity-bulb, magnetic shields and atomic beam optics. The performance measurements show that the frequency stability is a little better than 1*E-14 for time interval from 80 s to 1 day.

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