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Precisão de coordenadas planimétricas obtidas com receptores GNSS de pontos situados sob redes elétricas de alta tensão
(Universidade Federal de Santa MariaBRGeociênciasUFSMPrograma de Pós-Graduação em Geomática, 2012-09-17)
The purpose of this work was investigate and measure the possibility to exist
multipath caused by the corona noise generated in high voltage electric lines
recepting GNSS signals. Experiments were realized with a 69 kV ...
Monitoring Ionosphere over South America: the MImOSA and MImOSA2 projects
(Ieee, 2015-01-01)
MImOSA and MImOSA2 are two projects funded in the framework of the ALCANTARA Initiative of the European Space Agency. MImOSA (Monitoring the Ionosphere Over South America) was a competence survey aimed at assessing the ...
Monitoring Ionosphere over South America: The MImOSA and MImOSA2 projects
(2015-12-09)
MImOSA and MImOSA2 are two projects funded in the framework of the ALCANTARA Initiative of the European Space Agency. MImOSA (Monitoring the Ionosphere Over South America) was a competence survey aimed at assessing the ...
Modulação de sinal GNSS focado ao Sistema Europeu Galileo
(Universidade Federal de Santa MariaBrasilUFSMCentro de Tecnologia, 2019-06-17)
The Global Navigation Satellite System (GNSS) aims to determine the accurate geolocation of a receiver, using a set of signal from the satellites, which transmitted signals vary the modulation according to the constellation. ...
Parallelism error in peanut sowing operation with auto-steer guidance
(Univ Federal Campina Grande, 2017-10-01)
GNSS positioning errors are certain, regardless of the adopted positioning method. In agriculture, these errors may represent higher or lower overlapping rates between passes of a mechanical assembly, affecting operation ...
Função de mapeamento brasileira da atmosfera neutra e sua aplicação no posicionamento GNSS na América do Sul
(Universidade Estadual Paulista (Unesp), 2019-04-26)
Global Navigation Satellite Systems (GNSS) technology has been widely used in positioning, from day-to-day applications (metric accuracy) to applications that require high accuracy (few cm or dm). For high accuracy, different ...
Topografia na validação de modelo de terreno obtido por meio de Aeronave Remotamente Pilotada - RPA
(Universidade Estadual Paulista (Unesp), 2020-07-27)
O objetivo deste trabalho foi realizar um levantamento topográfico em determinadas áreas fazendo-se uso das técnicas de Topografia (Estação Total, GNSS-RTK) e Aerofotogrametria por Aeronaves Remotamente Pilotadas-RPAs ...