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Contributions of thermal expansion of monuments and nearby bedrock to observed GPS height changes
Long‐term continuous Global Positioning System (GPS) observations have become an important tool for studying the various geodynamic processes. To fully study the geodynamic processes at GPS stations,…
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Effects of Sensor Errors on the Performance of Map Matching
TLDR
Analysis of various factors that may affect the quality of map matching based on extensive tests in Hong Kong finds that a deep understand of the accuracy of sensor errors on mismatching is important.
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Evaluation Procedure for Coordinate Transformation
TLDR
A simple procedure is proposed to evaluate the performance of a transformation, based on several predefined quality indicators, such as precision, invertability, uniqueness, conformality, and extensibility, for the transformation between different reference frames.
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Potential Benefits of GPS/GLONASS/GALILEO Integration in an Urban Canyon – Hong Kong
With the existing GPS, the replenishment of GLONASS and the launching of Galileo there will be three satellite navigation systems in the future, with a total of more than 80 satellites. So it can be…
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Characteristics of Daily Position Time Series from the Hong Kong Gps Fiducial Network
Characteristics of daily position time series from January 2001 to August 2007 at 12 GPS stations in the Hong Kong GPS fiducial network are investigated. A spatial filtering algorithm based on…
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Crustal vertical deformation response to different spatial scales of GRACE and GCMs surface loading
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A Simplified Map-Matching Algorithm for In-Vehicle Navigation Unit
TLDR
A simplified map-matching algorithm is proposed for an in-vehicle navigation unit, as the processing power of in-Vehicle processor is limited and results reveal this map- matching algorithm can improve the performance of the vehicle navigation unit significantly.
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A New Indoor Positioning System Architecture Using GPS Signals
TLDR
A new pseudolite-based indoor positioning system architecture that can receive real-world GPS signals, repeat each satellite signal and transmit those using indoor transmitting antennas and no hardware-level modification on the receiver is required.
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Beidou satellite maneuver thrust force estimation for precise orbit determination
Beidou satellites, especially geostationary earth orbit (GEO) and inclined geosynchronous orbit (IGSO) satellites, need to be frequently maneuvered to keep them in position due to various…
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Combination of overlap-driven adjustment and Phong model for LiDAR intensity correction
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