Search Results - "Araujo dos Santos, Jose Carlos"

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  1. 1

    An analytical model for permittivity measurement of liquid dielectrics with a tubular sample holder by Rotava, André, Silva, Renato Abner Oliveira, Dias, Maurício Henrique Costa, Santos, José Carlos Araujo

    Published in Microwave and optical technology letters (01-02-2021)
    “…In this work, an analytical model for permittivity measurements of liquid materials is presented. It uses a variant of the transmission line method with a…”
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    Journal Article
  2. 2

    Nanoparticles of Ni1-x Znx Fe2 O4 used as Microwave Absorbers in the X-band by Monteiro, Emília dos Santos, Kasal, Raphael Barata, Moraes, Náhrima Chambela, Melo, Gabriel Burlandy Mota de, Santos, José Carlos Araujo dos, Figueiredo, André Ben-Hur da Silva

    “…Ferrites nanoparticles of Ni1-xZnxFe2O4 ferrites with x varying between 0 and 1, in steps of 0.2, were obtained by solution combustion synthesis (SCS) and…”
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    Journal Article
  3. 3

    VHF/UHF urban sites coverage planning with special care to mixed terrain transitions by Dias, M. H. C., Santos, J. C. A., Silva, G. M. O.

    Published in Revista IEEE América Latina (01-06-2011)
    “…This work addresses the main features of a coverage planning algorithm for VHF/UHF low power radio communications systems operating at urban sites, in which…”
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    Journal Article
  4. 4

    Design and Calibration of Electric Field Probe to the Frequency Range of 2 to 3 GHz by Valdman, C., Costa Dias, M.H., Araujo dos Santos, J.C.

    Published in Revista IEEE América Latina (01-12-2008)
    “…Two probes designed for electric field measurements were constructed by two semi-rigid coaxial cables, through a non-expensive simple handmade process. Both…”
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    Journal Article
  5. 5

    On the use of Tamir's model for site-specific path loss prediction of HF/VHF systems in forests by Melo, M. A. K., Araujo dos Santos, Jose Carlos, Dias, M. H. C.

    “…One of the most referenced analytical methods to calculate the HF and VHF radio propagation loss in forests is Tamir's model. Though it is very straightforward…”
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    Conference Proceeding
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    2-4 GHz digital frequency discriminator (DFD) design for microwave receivers by de Moura Barbosa, G.M.C., dos Santos, J.C.A.

    “…The design of a digital frequency discriminator (DFD), commonly found in digital instantaneous frequency measurement (DIFM) receivers, is presented for the…”
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    Conference Proceeding
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