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Humberto Xavier de Araujo
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2.4–5.8 GHz dual-band patch antenna with FSS reflector for radiation parameters enhancement
EMF Fernandes, MWB da Silva, L da Silva Briggs, ...
AEU-International Journal of Electronics and Communications 108, 235-241, 2019
402019
A 2.4 GHz rectenna based on a solar cell antenna array
EVV Cambero, HP da Paz, VS da Silva, HX de Araujo, IRS Casella, ...
IEEE Antennas and Wireless Propagation Letters 18 (12), 2716-2720, 2019
312019
A survey on low power RF rectifiers efficiency for low cost energy harvesting applications
HP Paz, VS Silva, EVV Cambero, HX Araújo, IRS Casella, CE Capovilla
AEU-International Journal of Electronics and Communications 112, 152963, 2019
272019
Development and characterization of titanium dioxide ceramic substrates with high dielectric permittivities
AE Freitas, TM Manhabosco, RJC Batista, AKR Segundo, HX Araújo, ...
Materials 13 (2), 386, 2020
152020
Design of a narrow band and wideband absorbers using resistive FSS concept for the X and Ku band application
MWB Silva, HX Araujo, A Campos
Microwave and Optical Technology Letters 60 (9), 2128-2132, 2018
142018
The effect of metamaterial patterning to improve the septum GTEM chamber performance
HX Araujo, LC Kretly
29th Progress in Electromagnetics Research Symposium, 2011
142011
A multiband antenna design comprising the future 5G mobile technology
HX de Araujo, AE de Freitas, DN Prata, IRS Casella, CE Capovilla
Przegląd Elektrotechniczny, 108-111, 2019
112019
Metamaterial cell patterns applied to Quasi-Yagi antenna for RFID applications
HX Araujo, SE Barbin, LC Kretly
2012 IEEE Radio and Wireless Symposium, 383-386, 2012
112012
The relationship between (sub) tropical climates and the incidence of COVID-19
D Prata, W Rodrigues, PHDS Bermejo, M Moreira, W Camargo, M Lisboa, ...
PeerJ 9, e10655, 2021
102021
Automated systems for estrous and calving detection in dairy cattle
CA Santos, NMD Landim, HX Araújo, TP Paim
AgriEngineering 4 (2), 475-482, 2022
92022
Design of an UHF Quasi-Yagi antenna with metamaterial structures for RFID application
HX De Araujo, SE Barbin, LC Kretly
2011 SBMO/IEEE MTT-S International Microwave and Optoelectronics Conference …, 2011
72011
Dual‐output quasi‐Yagi antenna for out‐of‐band RF energy harvesting
VS Silva, HP Paz, EVV Cambero, HX Araújo, IRS Casella, CE Capovilla
IET Microwaves, Antennas & Propagation 14 (10), 1053-1060, 2020
62020
Robot chow: Automatic animal feeding with intelligent interface to monitor pets
R Nogueira, H Araújo, D Prata
International Journal of Advanced Engineering Research and Science 6 (4 …, 2019
62019
Low‐cost quad‐band dual antipodal Vivaldi antenna using microstrip to CPS transition
R Bulgaroni, WM Torres, HX de Araujo, IRS Casella, CE Capovilla
Microwave and Optical Technology Letters 60 (9), 2315-2320, 2018
62018
2.4 GHz Coplanar Patch Antenna with Solar Cell as Radiator for Communication and Energy Harvesting
EVV Cambero, HP da Paz, VS da Silva, HX de Araújo, IRS Casella, ...
2019 SBMO/IEEE MTT-S International Microwave and Optoelectronics Conference …, 2019
52019
LJ 2.4–5.8 GHz dual-band patch antenna with FSS reflector for radiation parameters enhancement. AEU-Int
EMF Fernandes, MWB da Silva, L da Silva Briggs, ...
J. Electron. Commun 108, 235-241, 2019
52019
Cmos low noise amplifier topology using compact wu folded active inductor
EVV Cambero, RR Munoz, IRS Casella, AJ Sguarezi Filho, HX Araujo, ...
IEEE Latin America Transactions 15 (10), 1827-1833, 2017
52017
A modified ultra wide band antenna with metamaterial patterns for telecommunications systems
EF Guelber, ASV Cardoso, CE Capovilla, HX Araujo
Przeglad Elektrotechniczny 92, 166-169, 2016
52016
Experimental analysis of quasi-Yagi antenna shapes
CE Capovilla, HX Araujo, AJS Filho, LC Kretly
Przeglad Elektrotrchniczny 89 (12), 100-104, 2013
52013
AC—Clocked power supply DCVSL—Differential Cascode Voltage Switching Logic: Design guidelines for energy consumption optimization and CMOS layout
HX De Araujo, LC Kretly
2010 IEEE 26-th Convention of Electrical and Electronics Engineers in Israel …, 2010
52010
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Articles 1–20