Implementation of PPP as new GNSS Observation Type in the Geomonitoring System GOCA
[EN] Early detection of significant movements in both natural and artificial structures is crucial to prevent human, environmental and economic losses. For this reason, Geomonitoring in an active field. GNSS technics are also a filed in which lot of research and improvement have been made in recent...
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| Tipo de recurso: | tesis de maestría |
| Fecha de publicación: | 2020 |
| País: | España |
| Institución: | Universitat Politècnica de València (UPV) |
| Repositorio: | RiuNet. Repositorio Institucional de la Universitat Politécnica de Valéncia |
| Idioma: | inglés |
| OAI Identifier: | oai:riunet.upv.es:10251/139668 |
| Acceso en línea: | https://riunet.upv.es/handle/10251/139668 |
| Access Level: | acceso abierto |
| Palabra clave: | Geomonitoring GNSS Precise Point Positioning (PPP) GOCA Posicionamiento de punto preciso (PPP) Geomonitorización Sistema Global de Navegación por Satélite (GNSS) INGENIERIA CARTOGRAFICA, GEODESIA Y FOTOGRAMETRIA Máster Universitario en Ingeniería Geomática y Geoinformación-Màster Universitari en Enginyeria Geomàtica i Geoinformación |
| Sumario: | [EN] Early detection of significant movements in both natural and artificial structures is crucial to prevent human, environmental and economic losses. For this reason, Geomonitoring in an active field. GNSS technics are also a filed in which lot of research and improvement have been made in recent years. Some studies have indicated the potential of GNSS technics in the field of Geomonitoring. The aim of this master thesis is developing a software that allows processing GNSS data with Precise Point Positioning technic in the context of the geomonitoring project GOCA. With this implementation, potential of PPP with low cost receiver (U-Blox ZED-F9P) using different products and settings is evaluated in this document. Based on a literature review, that includes the study of GOCA project and a summary of main PPP approaches, a C++ dialog-based software was design and developed, using RTKLIB and WaPPP as software engines. Besides that, two different observations were made (one 12 hours to post-processing and one real time) in order to test the developed software and evaluate the obtained results using different parameters or products. The obtained results reaffirm the potential of the PPP technique, even using low cost receiver. Even some differences between different software engines or IGS products were found, the results allow us to conclude that PPP is a technique with many advantages in the field of geomonitoring, since it avoids the use of several receivers and good accuracies are obtained. However, some aspects need further research in this context, as there is no common criterion for establishing convergence time and new methodologies and algorithms are being developed in the field of PPP processing. |
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