Search Results - "Camargo, Paulo de Oliveira"

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  1. 1

    Contribution to the Establishment of the IHRF in the State of São Paulo by Ribeiro, Leticia Cristina, Guimaraes, Gabriel do Nascimento, Oliveira Camargo, Paulo de

    “…This letter describes a practical computation to determine the potential values, following the International Association of Geodesy (IAG) recommendations, at…”
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    Journal Article
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    Tomographic Imaging of Ionospheric Plasma Bubbles Based on GNSS and Radio Occultation Measurements by dos Santos Prol, Fabricio, Hernández-Pajares, Manuel, Tadeu de Assis Honorato Muella, Marcio, de Oliveira Camargo, Paulo

    Published in Remote sensing (Basel, Switzerland) (01-10-2018)
    “…Total electron content measurements given by the global navigation satellite system (GNSS) have successfully presented results to capture the signatures of…”
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    A New Method for Ionospheric Tomography and Its Assessment by Ionosonde Electron Density, GPS TEC, and Single-Frequency PPP by dos Santos Prol, Fabricio, de Oliveira Camargo, Paulo, Hernandez-Pajares, Manuel, de Assis Honorato Muella, Marcio Tadeu

    “…A new tomographic method was developed with the main goal of mapping the ionosphere in the region of Brazil. The ionospheric background was estimated based on…”
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  4. 4

    Spatial and Temporal Features of the Topside Ionospheric Electron Density by a New Model Based On GPS Radio Occultation Data by Prol, Fabricio dos Santos, Hernández‐Pajares, Manuel, Camargo, Paulo de Oliveira, Muella, Marcio Tadeu de Assis Honorato

    “…A new method for probing the spatial and temporal features of the topside ionosphere is presented. The Vary‐Chap model given by linear functions was used to…”
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    Ionospheric tomography using GNSS: multiplicative algebraic reconstruction technique applied to the area of Brazil by Prol, Fabricio dos Santos, Camargo, Paulo de Oliveira

    Published in GPS solutions (01-10-2016)
    “…Experimental analysis was performed using multiplicative algebraic reconstruction technique (MART) to map the ionosphere over Brazil. Code and phase…”
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    Linear Vary-Chap Topside Electron Density Model with Topside Sounder and Radio-Occultation Data by dos Santos Prol, Fabricio, Themens, David R., Hernández-Pajares, Manuel, de Oliveira Camargo, Paulo, de Assis Honorato Muella, Marcio Tadeu

    Published in Surveys in geophysics (01-03-2019)
    “…The Linear Vary-Chap function has received increased attention in describing the topside ionosphere due to its good performance for predicting and…”
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  7. 7

    Brazilian active GNSS networks as systems for monitoring the ionosphere by Stuani Pereira, Vinícius Amadeu, de Oliveira Camargo, Paulo

    Published in GPS solutions (01-07-2017)
    “…This research shows the viability of using Global Navigation Satellite System (GNSS) stations from Brazilian active networks in monitoring the ionosphere…”
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  8. 8

    The Impact of Atmospheric Correction on Brazilian Earth Tide Models by Arana, Daniel, Camargo, Paulo de Oliveira, Molina, Eder Cassola, Blitzkow, Denizar, de Matos, Ana Cristina Oliveira Cancoro, Boy, Jean Paul

    Published in Pure and applied geophysics (01-09-2020)
    “…Terrestrial gravity stations have been in operation for several years throughout Brazil. Minimizing geophysical effects on gravimetric observations is a major…”
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    Assessment of a TEC calibration procedure by single-frequency PPP by Prol, Fabricio dos Santos, Camargo, Paulo de Oliveira, Monico, João Francisco Galera, Muella, Marcio Tadeu de Assis Honorato

    Published in GPS solutions (01-04-2018)
    “…Global navigation satellite system (GNSS) measurements have become an outstanding data source for ionospheric studies using total electron content (TEC)…”
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    Stochastic modelling considering ionospheric scintillation effects on GNSS relative and point positioning by da Silva, Heloísa Alves, de Oliveira Camargo, Paulo, Galera Monico, João Francisco, Aquino, Marcio, Marques, Haroldo Antonio, De Franceschi, Giorgiana, Dodson, Alan

    Published in Advances in space research (03-05-2010)
    “…Global Navigation Satellite Systems (GNSS), in particular the Global Positioning System (GPS), have been widely used for high accuracy geodetic positioning…”
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    ANÁLISE MULTIVARIADA APLICADA NO ESTUDO DOS EFEITOS DA IONOSFERA, TROPOSFERA E MULTICAMINHO NOS SINAIS GNSS by Pereira, Vinícius Amadeu Stuani, Camargo, Paulo de Oliveira, Tachibana, Vilma Mayumi

    Published in Revista brasileira de cartografia (27-04-2016)
    “…Os sinais GNSS (Global Navigation Satellite System) estão sujeitos a erros sistemáticos causados por diversas fontes, sendo as principais a camada ionosférica,…”
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    ANÁLISE GLOBAL DOS EFEITOS PROVOCADOS PELA EXPLOSÃO SOLAR DE 28 DE OUTUBRO DE 2003 NO TEC E NO POSICIONAMENTO POR PONTO by Ruviaro, Johny Sartori, Matsuoka, Marcelo Tomio, Camargo, Paulo de Oliveira

    Published in Revista brasileira de cartografia (28-02-2013)
    “…A ionosfera é a principal fonte de erro das observáveis GNSS. Esse erro é diretamente proporcional ao TEC presente ao longo da trajetória percorrida pelo sinal…”
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    DEVELOPMENT OF A LOW-COST MOBILE MAPPING SYSTEM: A SOUTH AMERICAN EXPERIENCE by Da Silva, João Fernando C., Camargo, Paulo de Oliveira, Gallis, Rodrigo B. A.

    Published in Photogrammetric record (01-03-2003)
    “…This paper presents the prototype of a low‐cost terrestrial mobile mapping system (MMS) composed of a van, two digital video cameras, two GPS receivers, a…”
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    CÁLCULO DO TEC USANDO DADOS DE RECEPTORES GPS DE DUPLA FREQUENCIA PARA A PRODUÇÃO DE MAPAS DA IONOSFERA PARA A REGIÃO BRASILEIRA by Marcelo Tomio Matsuoka, Paulo de Oliveira Camargo

    Published in Revista brasileira de cartografia (13-11-2009)
    “…Atualmente, um dos principais fatores que limita a acurácia do posicionamento com receptores GPS é o atraso devido à ionosfera. O erro associado à ionosfera é…”
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    INFLUÊNCIA DA VARIAÇÃO ESPACIAL DO TEC NA DEFINIÇÃO DO COMPRIMENTO DE LINHA DE BASE: ABORDAGEM TEÓRICA E PRÁTICA by William Rodrigo Dal Poz, Paulo de Oliveira Camargo

    Published in Revista brasileira de cartografia (22-09-2009)
    “…Um dos principais problemas no posicionamento relativo com GNSS é a variação espacial do Conteúdo Total de Elétrons (TEC), que representa o número de elétrons…”
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    Radargrammetric approaches to the flat relief of the amazon coast using COSMO-SkyMed and TerraSAR-X datasets by Guimarães, Ulisses Silva, Narvaes, Igor da Silva, Galo, Maria de Lourdes Bueno Trindade, da Silva, Arnaldo de Queiroz, Camargo, Paulo de Oliveira

    “…[Display omitted] The Amazonian coast consists of extensive flood plains and plateaus characterized by a high discharge of water and sediment from the Amazon…”
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