Zobrazeno 1 - 6
of 6
pro vyhledávání: '"J. A. Cal Braz"'
Autor:
M.V. Lima, F. F. Lima, J. A. Cal Braz, M. P. C. Almeida, Rodrigo Pereira David, L. A. R. Silva Mello, R. S. L. Souza, P. V. G. Castellanos
Publikováno v:
Measurement. 45:2237-2245
The Digital Radio Mondiale (DRM) system broadcasts audio in the frequency band below 174 MHz [1] , [2] . In this experiment in urban areas in Brazil, a hybrid signal composed of an analog AM signal and a digital DRM30 signal, with the same content, w
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::4eae65aee8b9677c8db90e897f54907f
https://doi.org/10.1016/j.measurement.2012.03.012
https://doi.org/10.1016/j.measurement.2012.03.012
Autor:
F. F. Lima, J. A. Cal Braz, M. P. C. Almeida, P. V. G. Castellanos, Rodrigo Pereira David, L.A.R. da Silva Mello, R. S. L. Souza
Publikováno v:
LATINCOM
This paper presents an evaluation of the performance of digital TV receivers focusing the parameter signal-to-noise ratio achieved from measurements in laboratory tests and from field tests, and also the multipath data achieved from field tests. The
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c97cc9d71e48f7d5bff2704d177f504b
https://doi.org/10.1109/latincom.2015.7430134
https://doi.org/10.1109/latincom.2015.7430134
Autor:
J. A. Cal Braz, L.A.R. da Silva Mello, M. P. C. de Almeida, P. V. G. Castellanos, A. P. Soledade, F. F. Lima, Rodrigo Pereira David, Raphael Sancho Sisley de Souza
Publikováno v:
2013 SBMO/IEEE MTT-S International Microwave & Optoelectronics Conference (IMOC).
This paper describes the experimental setup and presents some results of HD Radio FM digital system trials that were carried out in Brazil. The experiment is part of a series of field trials that are being conducted by the Brazilian Government to eva
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::ff45454e3e9f5d2ee1795e23570af36a
https://doi.org/10.1109/imoc.2013.6646523
https://doi.org/10.1109/imoc.2013.6646523
Autor:
J Rodrigues Nascimento Junior, A Pereira da Soledade, P Vladimir Gonzalez Castellanos, R Saboia Lima de Souza, J Alfredo Cal Braz, F Ferreira Lima, M. Pudwell Almeida, R Pereira David
Publikováno v:
Journal of Physics: Conference Series. 733:012077
This paper describes the experimental setup of field measurements carried out for evaluating the operation of the ISDB-TB (Integrated Services Digital Broadcasting, Terrestrial, Brazilian version) standard digital TV in the VHF-highband. Measurements
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::03a0d1ef5f814c22a5a670d6ee33a5e2
https://doi.org/10.1088/1742-6596/733/1/012077
https://doi.org/10.1088/1742-6596/733/1/012077
Autor:
M. P. C. Almeida, L.A.R. da Silva Mello, J. A. Cal Braz, F. F. Lima, R. S. L. Souza, P. V. G. Castellanos, A. P. Soledade, Rodrigo Pereira David
Publikováno v:
2011 SBMO/IEEE MTT-S International Microwave and Optoelectronics Conference (IMOC 2011).
This paper describes the experimental setup and presents initial results of medium wave propagation measurements campaigns that are being carried out in Brazil. The experiment is part of a series of field trials that are being conducted by the Brazil
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::5a8133975a7c92eb2be9d4c0cd6f4aaa
https://doi.org/10.1109/imoc.2011.6169289
https://doi.org/10.1109/imoc.2011.6169289
Autor:
M Pudwell Chaves de Almeida, P Vladimir Gonzalez Castellanos, J Alfredo Cal Braz, R Pereira David, R Saboia Lima de Souza, A Pereira da Soledade, J Rodrigues Nascimento Junior, F Ferreira Lima
Publikováno v:
Journal of Physics: Conference Series; 2016, Vol. 733 Issue 1, p1-1, 1p