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Method for Determining the Fractional Part of the Cycle of the Carrier Frequency of the Navigation Signal of the GNSS Signal Simulator

  • TIME AND FREQUENCY MEASUREMENTS
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Measurement Techniques Aims and scope

The problem of calibrating a simulator of the navigation signals of global navigation satellite systems in order to ensure the unity of measurements of coordinate and time facilities was examined. A method is provided of determining, with the use of an oscilloscope, a fractional part of a carrier frequency cycle in the radio-frequency circuit of the simulator, and of estimating the mean reference deviation of the error of simulator generation of a pseudo-distance on the carrier-phase. The essence of the method consists in determining the phase difference of two signals. Depending on the type of problem, this method of calibration can be used with different input data: for absolute calibration of the simulator with one radio-frequency output: the phase difference of the navigation signal generated by the simulator, and the reference harmonic signal; for relative calibration of the simulator with two or more radio frequency outputs: the phase difference between navigation signals generated by the simulator from the different radio-frequency outputs. The application is shown of the absolute calibration of the simulator by the carrier-phase for the solution of a problem of calibrating users’ navigation equipment by the carrier-phase, which will substantially simplify the implementation of the promising Integer-PPP technology. The use of the relative calibration of the simulator, in order to determine the precise characteristics of goniometric navigation equipment for its development and tests, is presented.

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Authors and Affiliations

  1. All-Russia Research Institute of Physicotechnical and Radio Measurements (VNIIFTRI), Mendeleevo, Russia

    D. S. Pecheritsa, S. Yu. Burtsev & A. A. Frolov

Authors
  1. D. S. Pecheritsa
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  2. S. Yu. Burtsev
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  3. A. A. Frolov
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Correspondence to D. S. Pecheritsa or S. Yu. Burtsev.

Additional information

Translated from Izmeritel’naya Tekhnika, No. 11, pp. 42–48, November, 2020.

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Pecheritsa, D.S., Burtsev, S.Y. & Frolov, A.A. Method for Determining the Fractional Part of the Cycle of the Carrier Frequency of the Navigation Signal of the GNSS Signal Simulator. Meas Tech 63, 891–898 (2021). https://doi.org/10.1007/s11018-021-01868-7

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  • DOI: https://doi.org/10.1007/s11018-021-01868-7

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