A frequency calibration system based on single chip processor and GPS signal

Details A frequency calibration system based on single chip processor and GPS signal A frequency calibration system based on single chip processor and GPS signal

Jun 2005

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2005jtf....28...68l&link_type=abstract

Journal of Time and Frequency (ISSN 1001-1544), Vol. 28, No. 1, p. 68 - 75 (2005)

Computer Science

1

Gps, Frequency Calibration, Crystal Oscillator

Scientific paper

A frequency callibration system based on INTEL 80C196KC single chip processor is introduced, dealing with the design principle, hardware composition and software realizing. The 1PPS signal from GPS receiver is applied to the calibration system in order to calibrate the frequency of the crystal oscillators, thus obtaining a time-frequency standard with good stability in both short-term and long-term. The quantized time delay method is adopted for comparison of short time intervals, and a Kalman filtering algorithm is applied to processing of the measuremetn data.

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