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Estimativa e análise de perfis de densidade de elétrons para a região brasileira: integração de rádio ocultação GNSS e de informações ionosféricas provenientes de estações GNSS terrestres
(Universidade Estadual Paulista (Unesp), 2021-10-08)
A rádio ocultação começou a ser utilizada para a sondagem da atmosfera de outros planetas na década de sessenta. Com o desenvolvimento dos Sistemas Globais de Navegação por Satélite (GNSS - Global Navigation Satellite ...
Lineamientos de mantenimiento para los sistemas aeronáuticos de radioayudas en el territorio nacional
(Universidad Santo TomásMaestría Telecomunicaciones y Regulación TICFacultad de Ingeniería de Telecomunicaciones, 2020-07-10)
This work was developed based on the need to regulate the maintenance plan of the Air Navigation systems in Colombia that belong to the civil aviation authority (Aerocivil).
In the current regulations there are ...
Ionospheric Scintillation Fading Coefficients for the GPS L1, L2, and L5 Frequencies
(Amer Geophysical Union, 2018-09-01)
The terrestrial ionosphere over low-latitude regions presents the unique phenomena of the equatorial ionization anomaly (characterized by global maximum in plasma concentration) and plasma-depleted regions known as equatorial ...
Indoor localization of mobile robots with wireless sensor network based on ultra wideband using experimental measurements of time difference of arrival
(Universidad Tecnológica de Panamá, 2018)
Indoor localization of mobile robots with wireless sensor network based on ultra wideband using experimental measurements of time difference of arrival
(Universidad Tecnológica de Panamá, 2018)
MAERNI - Módulo de avaliação da exposição à radiação não ionizante proveniente das antes de transmissão de TV digital e rádio FM para uma ferramenta com o ambiente virtual 3DMAERNI - Evaluation module for exposure to non-ionizing radiation from digital TV and FM radio transmission antennas for a 3D virtual environmental tool
(Universidade Federal do ParáBrasilInstituto de TecnologiaUFPAPrograma de Pós-Graduação em Engenharia Elétrica, 2019)
Equatorial scintillation and systems support
(American Geophysical Union, 1997-09)
The need to nowcast and forecast scintillation for the support of operational systems has been recently identified by the interagency National Space Weather Program. This issue is addressed in the present paper in the ...