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Estimation of Wide-Lane Hardware Delays for single station in GPS system

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EN
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EN
The paper presents study results about determination Wide-Lane Hardware Delays in GPS system. For this purpose GPS data from RYKI reference station were used. Melbourne-Wübbena linear combination were applied for estimation WHD. Computations were executed in SciTEC software, which code source was written in Scilab 5.4.1. Firstly, results from SciTEC software show that WHD are very stable over few days. In this paper 4 experiments are presented. Accuracy of WHD in submitted paper is less than 2 ns. Over few days, magnitude order of mean SWHD is ± 1 ns, what corresponds to 0.3 cycle of wavelength in L6 combination. Difference between maximum and minimum value of SWHD over 6 days is about ± 2.5 ns. RWHD over few days are so very stable, with mean value about 0.154 ns. Standard deviation of daily repeatability RWHD parameter is less than 0.07 ns, what corresponds to 2% of wavelength in L6 combination.
Wydawca
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5--8
Opis fizyczny
Bibliogr. 12 poz., tab., wykr., wzory
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  • Zespół Technik Satelitarnych, ul. Zawiszy Czarnego 16, 08-530 Dęblin
Bibliografia
  • [1] Banville S., Santerre R., Cocard M., Langley R.: Satellite and Receiver Phase Bias Calibration for Undifferenced Ambiguity Resolution.
  • [2] Bosy J.: Precyzyjne opracowanie satelitarnych obserwacji GPS w lokalnych sieciach położonych w ternach górskich. Zeszyty Naukowe Akademii Rolniczej we Wrocławiu, nr 552, 2005.
  • [3] Carcanague S., Julien O., Vigneau W., Macabiau C.: Undfferenced ambiguity resolution applied to RTK. ION GNSS 2011, 24th International Technical Meeting of The Satellite Division of the Institute of Navigation, Sep 2011, Portland, United States, pp. 663-678.
  • [4] Gao Y.: PPP Research Progress at U of C. GEOIDE PPP WORKSHOP, May 27, 2008, Niagara Fall, Ontario.
  • [5] Gao Y.: Session on Calibration and Future Receiver Developments, Part I: Calibration. IGS Workshop 2008, 2-6 June 2008, Miami Beach, Florida, USA.
  • [6] Ge M., Gendt G., Rothacher M., Shi C., Liu J.: Resolution of GPS carrier-phase ambiguities in Precise Point Positioning (PPP) with daily observations. Journal of Geodesy (2008) 82:389–399, DOI 10.1007/s00190-007-0187-4.
  • [7] Geng J.: Rapid Integer Ambiguity Resolution in GPS Precise Point Positioning. Dissertation Thesis, University of Nottingham, 2010.
  • [8] Laurichesse D., Mercier F., Berthias J. P., Broca P., Cerri L.: Integer ambiguity resolution on undifferenced GPS phase measurements and its application to PPP and satellite precise orbit determination. Navigation: Journal of the Institute of Navigation 56(2):135-149, 2009.
  • [9] Loyer S., Mercier F., Laurichesse D., Perosanz F.: Integer clocks and integer PPP issues. Workshop on GNSS Biases – 18-19 January 2012.
  • [10] Mercier F., Laurichesse D.: Zero-dfference ambiguity blocking properties of satellite/receiver widelane biases. In: Proceedings of European Navigation Conference, Toulouse, France, 2008.
  • [11] Sanz Subirana J., Juan Zornoza J. M., Hernández-Pajares M., (2013), GNSS DATA PROCESSING, Volume I: Fundamentals and Algorithms.
  • [12] Tegedor J., Ovstedal O.: Estimation of Uncalibrated hardware delays for single difference ambiguity resolution. Workshop on GNSS Biases, 18-19 January 2012.
Typ dokumentu
Bibliografia
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bwmeta1.element.baztech-9e2d6157-3e2f-435b-8a51-11859b6ab4ce
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