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zadetkov: 132
31.
  • Practice of correlation ana... Practice of correlation analysis for determination of ionospheric influence on GPS measurements
    Jonas Skeivalas Geodesy and cartography (Vilnius), 08/2012, Letnik: 33, Številka: 4
    Journal Article
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    The variations of ionosphere influence on GPS measurements by correlation analysis of spatial geocentric coordinates are analysed in this paper. The condition of ionosphere is not stable, but it ...
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Dostopno za: UL

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32.
  • Application of pseudo-dista... Application of pseudo-distance and carrier phase relative equation with additional parameters for GPS measurement processing
    Jonas Skeivalas Geodesy and cartography (Vilnius), 08/2012, Letnik: 30, Številka: 3
    Journal Article
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    The methods of processing the results of measurement of pseudodistances and carrier phases by applying the GPS receivers at two and three carrier frequencies are analysed in the paper. The ...
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Dostopno za: UL

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33.
  • Covariation of ionospheric ... Covariation of ionospheric influence in the GPS observations
    Jonas Skeivalas Geodesy and cartography (Vilnius), 08/2012, Letnik: 32, Številka: 1
    Journal Article
    Recenzirano
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    The ionospheric influence on pseudo ranges and carrier phase observations is analysed in the paper. The state of the ionosphere is not constant and changes within the time as well as an ionospheric ...
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Dostopno za: UL

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34.
  • Evaluation of GPS user rece... Evaluation of GPS user receiver prognostic coordinates accuracy, using reference station network
    Jonas Skeivalas Geodesy and cartography (Vilnius), 08/2012, Letnik: 34, Številka: 2
    Journal Article
    Recenzirano
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    Accuracy of the GPS user receiver prognostic model, used for determining of points coordinates corrections applying reference station network. GPS user receiver prognostic coordinates accuracy is ...
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Dostopno za: UL

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35.
  • The regression model of vir... The regression model of virtual GPS reference station by application of collocation method
    Jonas Skeivalas Geodesy and cartography (Vilnius), 08/2012, Letnik: 33, Številka: 1
    Journal Article
    Recenzirano
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    The principle of calculating coordinates determined by GPS method and carrier's phase shift and corrections for pseudoranges as well as applying the regression models created by method of collocation ...
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Dostopno za: UL

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36.
  • Analysis of the accuracy of... Analysis of the accuracy of measurements based on Doppler effect
    Jonas Skeivalas Geodesy and cartography (Vilnius), 08/2012, Letnik: 36, Številka: 1
    Journal Article
    Recenzirano
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    Research on the accuracy of the of the moving objects speed measurements based on Doppler effect is presented. The probabolistic model of random errors was applied. The accuracy of speedometers ...
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Dostopno za: UL

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37.
  • Analysis of GPS virtual ref... Analysis of GPS virtual reference stations (VRS) creation by applying carrier phase double differences
    Jonas Skeivalas Geodesy and cartography (Vilnius), 08/2012, Letnik: 31, Številka: 4
    Journal Article
    Recenzirano
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    Creation of the model for carrier phase double difference corrections of GPS virtual reference station is analysed. A determined parameter with a value computed by the least-square method was applied ...
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Dostopno za: UL

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38.
  • The influence of the accura... The influence of the accuracy of the parametric equations parameters on the precision of the adjusted parameters and values in the least square method
    Jonas Skeivalas Geodesy and cartography (Vilnius), 08/2012, Letnik: 34, Številka: 3
    Journal Article
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    It is suggested the method and formulas for estimating the influence of the accuracy of parametric equations parameters on the precision of the adjusted parameters and values in the least square ...
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Dostopno za: UL
39.
  • Accuracy of 3D geodetic coo... Accuracy of 3D geodetic coordinates transformation algorithms
    Jonas Skeivalas Geodesy and cartography (Vilnius), 08/2012, Letnik: 31, Številka: 2
    Journal Article
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    Accuracy of 3D geodetic coordinates transformed from one coordinate system to another is analysed. Values of transformation parameters are computed by least-squares adjustment method. Accuracy of ...
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40.
  • APIE OPTIMIZAVIMO PROCEDŪRA... APIE OPTIMIZAVIMO PROCEDŪRAS TOPOLOGINIUOSE UŽDAVINIUOSE
    Skeivalas, Jonas Geodesy and cartography (Vilnius), 12/1/2011, Letnik: 37, Številka: 4
    Journal Article
    Recenzirano

    Nagrinėjamas matematinių procedūrų atvejis, kai sprendžiant optimizavimo uždavinius taikoma atitinkama minimizavimo funkcija. Atliekant kai kurias procedūras, pvz., topologinių transformacijų ...
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Dostopno za: UL
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zadetkov: 132

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