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Revista Técnica de la Facultad de Ingeniería
Article . 2025 . Peer-reviewed
License: CC BY NC SA
Data sources: Crossref
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Transformación Afín Bidimensional (AT2D) para Interpolación de Velocidades Geodésicas utilizando Soluciones Semanales SIRGAS-CON

Authors: Hermógenes David Suárez Acosta; Ileanis del Carmen Arenas Bermúdez; Nilbeny Nibraska Cano Finol; Paola Chiquinquirá Marcano Márquez; Alisleidy Paola Martínez Martínez;

Transformación Afín Bidimensional (AT2D) para Interpolación de Velocidades Geodésicas utilizando Soluciones Semanales SIRGAS-CON

Abstract

Los modelos de velocidades geodésicas son cruciales para la transformación de coordenadas de una época de referencia a una época de observación. Su desarrollo suele requerir mucho tiempo y actualizaciones frecuentes para mantener su validez. Para abordar el problema de su validez, este estudio examina el uso de la Transformación Afín Bidimensional (AT2D) para interpolar velocidades en estaciones GNSS en Sudamérica. La AT2D se basa en una triangulación desde estaciones SIRGAS-CON circundantes, con velocidades conocidas, durante un intervalo de tiempo específico. Las velocidades resultantes del método AT2D y de los modelos VEMOS, sobre cincuenta estaciones, se compararon contra sus velocidades conocidas, lo que permitió el cálculo de residuos para la evaluación de la calidad. En el 82% de las comparaciones, la AT2D exhibió un RMSE menor (±1,4 mm/año) que los modelos VEMOS (±3,6 mm/año). Los resultados muestran que el método AT2D reproduce eficazmente las velocidades SIRGAS-CON cuando las estaciones se ubican en la misma placa tectónica. La AT2D ofrece una flexibilidad temporal que permite realizar ajustes ante saltos abruptos o discontinuidades en los datos GNSS. Además, la AT2D resulta eficiente y precisa para calcular velocidades actualizadas en contextos locales o regionales relevantes para la topografía y la ingeniería geodésica.

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
0
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