Joaquim Azevedo
Joaquim Azevedo
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Energy harvesting from wind and water for autonomous wireless sensor nodes
JAR Azevedo, FES Santos
IET Circuits, Devices & Systems 6 (6), 413-420, 2012
An empirical propagation model for forest environments at tree trunk level
JAR Azevedo, FES Santos
IEEE Transactions on Antennas and Propagation 59 (6), 2357-2367, 2011
Shaped beam pattern synthesis with non-uniform sample phases
J Azevedo
Progress In Electromagnetics Research B 5, 77-90, 2008
Synthesis of planar arrays with elements in concentric rings
JAR Azevedo
IEEE transactions on antennas and propagation 59 (3), 839-845, 2010
A model to estimate the path loss in areas with foliage of trees
JA Azevedo, FE Santos
AEU-International Journal of Electronics and Communications 71, 157-161, 2017
Synthesis of non-uniformly spaced arrays using the Fourier transform and window techniques
XF Ren, JA Azevedo, AM Casimiro
IET microwaves, antennas & propagation 3 (8), 1245-1253, 2009
Sleeping ZigBee networks at the application layer
J Azevedo, F Santos, M Rodrigues, L Aguiar
IET Wireless Sensor Systems 4 (1), 35-41, 2014
Impact of the antenna directivity on path loss for different propagation environments
JA Azevedo, FE Santos, TA Sousa, JM Agrela
IET Microwaves, Antennas & Propagation 9 (13), 1392-1398, 2015
Design and power production of small-scale wind turbines
F Mendonca, J Azevedo
2017 International Conference in Energy and Sustainability in Small …, 2017
Small scale wind energy harvesting with maximum power tracking
J Azevedo, F Mendonça
AIMS Energy 3, 297-315, 2015
A unification procedure to the analysis and synthesis of antenna arrays
AMES Casimiro, JAR Azevedo
Journal of electromagnetic waves and applications 19 (14), 1881-1896, 2005
Signal propagation measurements with wireless sensor nodes
JAR Azevedo, FE Santos
Campus da Penteada, Univ. Madeira, Funchal, Portugal, Tech. Rep, 9000-390, 2007
Adapted raised cosine window function for array factor control with dynamic range ratio limitation
FES Santos, JAR Azevedo
2017 11th European Conference on Antennas and Propagation (EUCAP), 2020-2024, 2017
Antenna pattern control of planar arrays for long distance communications
JAR Azevedo
Advances in space research 43 (11), 1603-1610, 2009
Energy harvesting from hydroelectric systems for remote sensors
JAR Azevedo, J Lopes
AIMS Energy 4, 876-893, 2016
Propagação em ambientes florestais
JAR Azevedo, FE Santos
Floresta 2 (35), 4-37, 2008
A More Efficient Technique to Power Home Monitoring Systems Using Controlled Battery Charging
JA Azevedo, FE Santos
Energies 14 (13), 3846, 2021
Antenna Arrays synthesis using a interpolation-FFT technique
JA Azevedo, AM Casimiro
the 11th International Symposium on Antenna Technology and Applied …, 2005
Computing of antenna arrays with an unified theory
A Casimiro, JAR Azevedo
6th International SYmposium on Antennas, Propagation and EM Theory, 2003 …, 2003
Measurement of water level in urban streams under bad weather conditions
JA Azevedo, JA Brás
Sensors 21 (21), 7157, 2021
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