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  • 8/19/2019 Sn03

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    . "Time and Frequency Measurement."

    Copyright 2000 CRC Press LLC. .

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    © 1999 by CRC Press LLC

    Time andFrequencyMeasurement

     

    18

     

    Time Measurement

     

    Michael A. Lombardi 

     

    The Evoluti on of Clocks and Timekeeping • Atomic Oscillators • Time Scales and the SIDefinit ion of the Second • Coordinated Universal Time (UTC) • Introduction to Time Transfer •Radio Time Transfer Signals • Computer Time Transfer Signals • Future Developments

     

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    Frequency Measurement

     

    Michael A. Lombardi

    Overview of Frequency Measurements and Calibration • The Specifications: Frequency Un-certainty and Stability • Frequency Standards • Transfer Standards • Calibration Methods •Future Developments