Journal of Jianghan University(Natural Science Edition) ›› 2012, Vol. 40 ›› Issue (5): 23-26.

• Orignal Article • Previous Articles     Next Articles

Study of Highly Accurate Signal Frequency Measurement

LEI Hai－dong   

  1. School of Physics and Information Engineering,Jianghan University,Wuhan 430056,Hubei,China
  • Received:2011-04-01 Online:2012-10-20 Published:2013-11-07

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Abstract: Frequency measurement is an assessment method of the frequency source stability in the time field. The highly accurate measurement is realized by using the DDS module, counter module and precision time measurement module. The principle and characteristics of the complete instrument are described.

Key words: precision time, frequency measurement, DDS, TDC－GP1

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