Volume 65 Issue 4
Apr.  2021
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YAN Ming, ZHANG Shengnan, WEI Tianshu, YANG Ming, LI Nuo. Development and Application of Simple GNSS Disciplined Module[J]. Metrology Science and Technology, 2021, 65(4): 30-34, 51. doi: 10.3969/j.issn.2096-9015.2021.04.06
Citation: YAN Ming, ZHANG Shengnan, WEI Tianshu, YANG Ming, LI Nuo. Development and Application of Simple GNSS Disciplined Module[J]. Metrology Science and Technology, 2021, 65(4): 30-34, 51. doi: 10.3969/j.issn.2096-9015.2021.04.06

Development and Application of Simple GNSS Disciplined Module

doi: 10.3969/j.issn.2096-9015.2021.04.06
  • Available Online: 2021-04-15
  • Publish Date: 2021-04-15
  • This paper introduces a simple oven-controlled crystal oscillator (OCXO) disciplined module developed by using high precision time measurement technology, Kalman filtering algorithm, and PID feedback control principle. This module can discipline OCXO of frequency accuracy 10−7 to 10−10 without using FPGA and complex algorithms and is suitable for device development and achievement transformation of researchers who are new to the field of time and frequency measurement. The research group has applied this module in the calibration of the vehicle timing system at the airport drop-off station. Given its small size, it can also be used in the time calibrator, time synthesizer, and other standard instruments that allow the input of external frequency standard, to further improve the time and frequency parameter of the equipment.
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