Search Results - "de Paula, Eurico Rodrigues"

The variability of low‐latitude ionospheric amplitude and phase scintillation detected by a triple‐frequency GPS receiver by Oliveira Moraes, Alison, Costa, Emanoel, Abdu, Mangalathayil Ali, Rodrigues, Fabiano S., Paula, Eurico Rodrigues, Oliveira, Kelias, Perrella, Waldecir João

“…Ionospheric scintillation is a manifestation of space weather effects that seriously affect the performance and availability of space‐based navigation and…”
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L‐Band Synthetic Aperture Radar Observation of Ionospheric Density Irregularities at Equatorial Plasma Depletion Region by Sato, Hiroatsu, Kim, Jun Su, Otsuka, Yuichi, Wrasse, Cristiano Max, Rodrigues de Paula, Eurico, Rodrigues de Souza, Jonas

“…Plasma density irregularities in the equatorial ionosphere are thought to cause the distortions of L‐band Synthetic Aperture Radar (SAR) images, which have…”
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Temporal and altitudinal variability of the spread F observed by the VHF radar over Christmas Island by de La Cruz Cueva, Ricardo Yvan, Rodrigues de Paula, Eurico, Cunha Neto, Acácio

“…The goal of this work is to study the time and altitude echo characteristics under different solar and seasonality conditions using the VHF radar…”
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A Retrospective of Global Navigation Satellite System Ionospheric Irregularities Monitoring Networks in Brazil by Paula, Eurico Rodrigues de, Monico, João Francisco Galera, Tsuchiya, Ítalo Hirokazu, Valladares, Cesar Enrique, Costa, Sônia Maria Alves, Marini-Pereira, Leonardo, Vani, Bruno César, Moraes, Alison de Oliveira

“…ABSTRACT The use of Global Navigation Satellite System (GNSS) for air and terrestrial navigation and for many applications is increasing in the last decades…”
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Ionosonde total electron content evaluation using International Global Navigation Satellite System Service data by Klipp, Telmo dos Santos, Petry, Adriano, de Souza, Jonas Rodrigues, de Paula, Eurico Rodrigues, Falcão, Gabriel Sandim, de Campos Velho, Haroldo Fraga

“…In this work, a period of 2 years (2016–2017) of ionospheric total electron content (ITEC) from ionosondes operating in Brazil is compared to the International…”
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The GNSS NavAer INCT Project Overview and Main Results by Monico, João Francisco Galera, Paula, Eurico Rodrigues de, Moraes, Alison de Oliveira, Costa, Emanoel, Shimabukuro, Milton Hirokazu, Alves, Daniele Barroca Marra, Souza, Jonas Rodrigues de, Camargo, Paulo de Oliveira, Prol, Fabricio dos Santos, Vani, Bruno César, Pereira, Vinicius Stuani Amadeo, Oliveira Junior, Paulo Sergio de, Tsuchiya, Italo, Aguiar, Claudinei Rodrigues

“…ABSTRACT Air navigation is increasingly dependent on the use of Global Navigation Satellite Systems (GNSS). It allows the determination of the aircraft’s…”
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Performance analysis of κ - μ distribution for Global Positioning System (GPS) L1 frequency-related ionospheric fading channels by Moraes, Alison, Sousasantos, Jonas, de Paula, Eurico Rodrigues, da Cunha, Josué Jürgen Popov Pereira, Lima Filho, Vicente Carvalho, Vani, Bruno Cesar

“…The present work aims to evaluate the application of the κ - μ distribution as a representation of the fading effect caused by the phenomenon of scintillation…”
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Variability of Vertical Total Electron Content Gradients in the Brazilian Sector by Espejo, Teddy Modesto Surco, Costa, Emanoel, de Paula, Eurico Rodrigues, Moraes, Alison de Oliveira, Monico, Joao Francisco Galera

“…Ground Based Augmentation Systems are designed to meet demanding requirements during airport approach and landing sections of aircraft routes. It computes…”
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Space Diversity Mitigation Effects on Ionospheric Amplitude Scintillation with Basis on the Analysis of GNSS Experimental Data by Costa, Emanoel, Moraes, Alison de O., De Paula, Eurico R., Monico, Joao Francisco G.

“…Ionospheric density irregularities embedded in Equatorial Plasma Bubbles, with scale sizes varying from several hundred kilometers to several tens of meters,…”
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Total electron content responses to HILDCAAs and geomagnetic storms over South America by de Siqueira Negreti, Patricia Mara, de Paula, Eurico Rodrigues, Candido, Claudia Maria Nicoli

“…Total electron content (TEC) is extensively used to monitor the ionospheric behavior under geomagnetically quiet and disturbed conditions. This subject is of…”
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On the distribution of GPS signal amplitudes during low-latitude ionospheric scintillation by de Oliveira Moraes, Alison, de Paula, Eurico Rodrigues, Perrella, Waldecir João, da Silveira Rodrigues, Fabiano

“…Ionospheric scintillations are fluctuations in the phase and/or amplitude of trans-ionospheric radio signals caused by electron density irregularities in the…”
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Validation of the α - μ Model of the Power Spectral Density of GPS Ionospheric Amplitude Scintillation by de Paula, Eurico Rodrigues, Honorato Muella, Marcio Tadeu de Assis, Costa, Emanoel, Moraes, Alison de Oliveira, Oliveira, Kelias, Perrella, Waldecir

“…The α - μ model has become widely used in statistical analyses of radio channels, due to the flexibility provided by its two degrees of freedom. Among several…”
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Validation of the [alpha] - [mu] Model of the Power Spectral Density of GPS Ionospheric Amplitude Scintillation by Oliveira, Kelias, de Oliveira Moraes, Alison, Costa, Emanoel, Marcio Tadeu de Assis Honorato Muella, Eurico Rodrigues de Paula, Perrella, Waldecir

“…The α - μ model has become widely used in statistical analyses of radio channels, due to the flexibility provided by its two degrees of freedom. Among several…”
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A GPS signal-in-space simulation model for equatorial and low latitudes in the Brazilian longitude sector by Surco Espejo, Teddy Modesto, Costa, Emanoel, Moraes, Alison O., Martinon, André Ricardo Fazanaro, de Paula, Eurico Rodrigues, Monico, João Francisco Galera

“…The ionosphere affects the propagation of global positioning system signals. Due to their special features, the equatorial and low-latitude ionosphere may…”
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Extended ionospheric amplitude scintillation model for GPS receivers by de Oliveira Moraes, Alison, Costa, Emanoel, de Paula, Eurico Rodrigues, Perrella, Waldecir João, Monico, João Francisco Galera

“…Ionospheric scintillation is a phenomenon that occurs after sunset, especially in the low‐latitude region, affecting radio signals that propagate through the…”
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Evaluation of ionospheric models for Central and South Americas by Klipp, Telmo dos Santos, Petry, Adriano, de Souza, Jonas Rodrigues, Falcão, Gabriel Sandim, de Campos Velho, Haroldo Fraga, de Paula, Eurico Rodrigues, Antreich, Felix, Hoque, Mainul, Kriegel, Martin, Berdermann, Jens, Jakowski, Norbert, Fernandez-Gomez, Isabel, Borries, Claudia, Sato, Hiroatsu, Wilken, Volker

“…This work shows a 20-month statistical evaluation of different Total Electron Content (TEC) estimators for the Central and South America regions. The TEC…”
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The GNSS NavAer INCT Project Overview and Main Results by João Francisco Galera Monico, Milton Hirokazu Shimabukuro, Paulo de Oliveira Camargo, Italo Tsuchiya, Eurico Rodrigues de Paula, Jonas Rodrigues de Souza, Alison de Oliveira Moraes, Emanoel Costa, Daniele Barroca Marra Alves, Fabricio dos Santos Prol, Bruno César Vani, Vinicius Stuani Amadeo Pereira, Paulo Sergio de Oliveira Junior, Claudinei Rodrigues Aguiar

“…Air navigation is increasingly dependent on the use of Global Navigation Satellite Systems (GNSS). It allows the determination of the aircraft’s position in…”
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On the second order statistics for GPS ionospheric scintillation modeling by de Oliveira Moraes, Alison, de Paula, Eurico Rodrigues, de Assis Honorato Muella, Marcio Tadeu, Perrella, Waldecir João

“…Equatorial ionospheric scintillation is a phenomenon that occurs frequently, typically during nighttime, affecting radio signals that propagate through the…”
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Analysis of the Characteristics of Low-Latitude GPS Amplitude Scintillation Measured During Solar Maximum Conditions and Implications for Receiver Performance by de Oliveira Moraes, Alison, da Silveira Rodrigues, Fabiano, Perrella, Waldecir João, de Paula, Eurico Rodrigues

“…Ionospheric scintillations are fluctuations in the phase and/or amplitude of trans-ionospheric radio signals caused by electron density irregularities in the…”
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