Articles de revista
Recent Submissions
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Analyzing spatio-temporal factors to estimate the response time between SMOS and in-situ soil moisture at different depths
(Multidisciplinary Digital Publishing Institute (MDPI), 2020-08-13)
Article
Open AccessA comprehensive understanding of temporal variability of subsurface soil moisture (SM) is paramount in hydrological and agricultural applications such as rainfed farming and irrigation. Since the SMOS (Soil Moisture and ... -
Multi-antenna 3D pattern design for millimeter-wave vehicular communications
(Elsevier, 2022-06)
Article
Open AccessThe transformation of the automotive industry towards ubiquitous connection of vehicles with all kind of external agents (V2X) motivates the use of a wide range of frequencies for several applications. Millimeter-wave ... -
On infinite past predictability of cyclostationary signals
(Institute of Electrical and Electronics Engineers (IEEE), 2022)
Article
Open AccessThis paper explores the asymptotic spectral decomposition of periodically Toeplitz matrices with finite summable elements. As an alternative to polyphase decomposition and other approaches based on Gladyshev representation, ... -
SAT-hadoop-processor: a distributed remote sensing big data processing software for earth observation applications
(Multidisciplinary Digital Publishing Institute, 2021-11-11)
Article
Open AccessNowadays, several environmental applications take advantage of remote sensing techniques. A considerable volume of this remote sensing data occurs in near real-time. Such data are diverse and are provided with high velocity ... -
Superheterodyne microwave system for the detection of bioparticles with coplanar electrodes on a microfluidic platform
(2022-04-08)
Article
Open AccessThe combination of microwave and microfluidic technologies has the potential to enable wireless monitoring and interaction with bioparticles, facilitating, in this way, the exploration of a still largely uncharted territory ... -
Adaptive beamwidth optimization under Doppler ICI and positioning errors at mmWave bands
(Elsevier, 2022-04-01)
Article
Open AccessThe growing trends towards massive antenna arrays with focusing capabilities has enabled the use of higher frequencies at the cost of more complex systems. In the particular case of vehicular communications, millimeter-wave ... -
Experimental verification of dielectric models with a capacitive wheatstone bridge biosensor for living cells: E. coli
(Multidisciplinary Digital Publishing Institute (MDPI), 2022-03-23)
Article
Open AccessDetection of bioparticles is of great importance in electrophoresis, identification of biomass sources, food and water safety, and other areas. It requires a proper model to describe bioparticles’ electromagnetic ... -
On-demand satellite payload execution strategy for natural disasters monitoring using LoRa: observation requirements and optimum medium access layer mechanisms
(Multidisciplinary Digital Publishing Institute (MDPI), 2021-10-01)
Article
Open AccessNatural disasters and catastrophes are responsible for numerous casualties and important economic losses. They can be monitored either with in-situ or spaceborne instruments. However, these monitoring systems are not ... -
Clouds’ microphysical properties and their relationship with lightning activity in northeast Brazil
(Multidisciplinary Digital Publishing Institute (MDPI), 2021-11-01)
Article
Open AccessThe Northeast region of Brazil (NEB) has a high rate of deaths from lightning strikes (18% of the country’s total). The region has states, such as Piauí, with high mortality rates (1.8 deaths per million), much higher than ... -
Assessing Obukhov length and friction velocity from floating lidar observations: A data screening and sensitivity computation approach
(Multidisciplinary Digital Publishing Institute (MDPI), 2022-03-14)
Article
Open AccessThis work presents a parametric-solver algorithm for estimating atmospheric stability and friction velocity from floating Doppler wind lidar (FDWL) observations close to the mast of IJmuiden in the North Sea. The focus of ... -
Quantum multiple hypothesis testing based on a sequential discarding scheme
(Institute of Electrical and Electronics Engineers (IEEE), 2022-01-14)
Article
Open AccessWe consider the quantum multiple hypothesis testing problem, focusing on the case of hypothesis represented by pure states. A sequential adaptive algorithm is derived and analyzed first. This strategy exhibits a decay rate ... -
Motivating a synergistic mixing-layer height retrieval method using backscatter lidar returns and microwave-radiometer temperature observations
(Institute of Electrical and Electronics Engineers (IEEE), 2022-03-10)
Article
Open AccessMixing-Layer-Height (MLH) retrieval methods using backscattered lidar signals from a ceilometer (Jenoptik CHM-15k Nimbus) and temperature profiles from a Microwave Radiometer (MWR, HATPRO RPG) are compared in terms of their ...