New Satellite Selection Approach for GPS/BDS/GLONASS Kinematic Precise Point Positioning
نویسندگان
چکیده
منابع مشابه
Kinematic Precise Point Positioning Using Multi-Constellation Global Navigation Satellite System (GNSS) Observations
Multi-constellation global navigation satellite systems (GNSSs) are expected to enhance the capability of precise point positioning (PPP) by improving the positioning accuracy and reducing the convergence time because more satellites will be available. This paper discusses the performance of multi-constellation kinematic PPP based on a multi-constellation kinematic PPP model, Kalman filter and ...
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In recent years, many national timing laboratories have installed geodetic Global Positioning System receivers together with their traditional GPS/GLONASS Common View receivers and Two Way Satellite Time and Frequency Transfer equipments. Many of these geodetic receivers operate continuously within the International GNSS Service (IGS), and their data are regularly processed by IGS Analysis Cent...
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The method of precise point positioning (PPP) using un-differenced code and carrier phase observations in combination with measurement corrections is discussed. The implementation of PPP in mobile mapping is addressed. Two approaches are investigated. In the first, measurement corrections optimized for the work area, including atmospheric corrections, are wirelessly received from a local servic...
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Tropospheric delay is always considered as one of the factors limiting the accuracy of GPS. In this paper, the three-dimensional ray tracing technique is proposed to calculate the tropospheric delay. The ability of the MODIS mission to calculate the tropospheric delay is also examined. For this purpose, an area in central Europe was selected and a MODIS acquisition on 2008/08/01 was studied. In...
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ژورنال
عنوان ژورنال: Applied Sciences
سال: 2019
ISSN: 2076-3417
DOI: 10.3390/app9245280