GNSS data management and processing with the GPSTk |
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| Authors: | Dagoberto Salazar Manuel Hernandez-Pajares Jose M Juan Jaume Sanz |
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| Institution: | 1. gAGE/UPC. Universitat Politécnica de Catalunya, Barcelona, Spain
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| Abstract: | We organize complex problems in simple ways using a GNSS data management strategy based on “GNSS Data Structures” (GDS), coupled
with the open source “GPS Toolkit” (GPSTk) suite. The code resulting from using the GDS and their associated “processing paradigm”
is remarkably compact and easy to follow, yielding better code maintainability. Furthermore, the data abstraction allows flexible
handling of concepts beyond mere data encapsulation, including programmable general solvers. An existing GPSTk class can be
modified to achieve the goal. We briefly describe the “GDS paradigm” and show how the different GNSS data processing “objects”
may be combined in a flexible way to develop data processing strategies such as Precise Point Positioning (PPP) and network-based
PPP that computes satellite clock offsets on-the-fly. |
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