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Single and coupled Helmholtz resonators for low frequency sound manipulation
(American Institute of Physics, 2022-08-12)
In this work, we use the finite element method to study the acoustic properties of single and coupled Helmholtz resonators (HRs). Each HR consists of a sphere drilled with one or several small openings. For a single HR, ...
Comparative Study of Interaction Methods for Mobile Gaming While Running on a Treadmill
(Elsevier, 2023-10-26)
Mobile video games that integrate physical activity, such as treadmill running, offer a unique combination of entertainment and exercise. This study presents a comparative evaluation of interaction methods used in mobile ...
Security and Reliability of Room Occupancy Detection Using Probe Requests in Smart Buildings
(IEEE, 2023-04-19)
We present new approaches for determining occupancy in smart building management systems. The solutions can be applied dually, in civil and military areas, not only for economic management but also in crisis situations ...
Single-pixel spatial frequency domain imaging with integrating detection
(Optica Publishing Group, 2021-06-20)
We present a spatial frequency domain imaging (SFDI) system based on single-pixel imaging (SPI) techniques with a single digital micromirror device (DMD) modulating simultaneously the sinusoidal pattern and the spatial ...
Development of a Common Framework for Analysing Public Transport Smart Card Data
(MDPI, 2021-09-24)
The data generated in public transport systems have proven to be of great importance in improving knowledge of public transport systems, being very valuable in promoting the sustainability of public transport through ...
Educational Videogame to Learn the Periodic Table: Design Rationale and Lessons Learned
(American Chemical SocietyDivision of Chemical Education, 2021-06-08)
The periodic table allows students to easily understand
the chemical elements and predict the behavior of theoretical yet
undiscovered new elements. Many memorization techniques have been
used for learning the periodic ...
Learning First Aid with a Video Game
(MDPI, 2021-12-02)
Any citizen can be involved in a situation that requires basic first aid knowledge. For this reason, it is important to be trained in this kind of activity. Serious games have been presented as a good option to integrate ...
Learning History Using Virtual and Augmented Reality
(MDPI, 2021-11-08)
Master lectures of history are usually quite boring for the students, and to keep their attention requires a great effort from teachers. Virtual and Augmented Reality have a clear potential in education and can solve this ...
Nonparametric testing of the dependence structure among points-marks-covariates in spatial point patterns
(John Wiley & Sons, 2022-05-16)
We investigate testing of the hypothesis of independence between a covariate and the marks in amarked point process. It would be rather straightforward if the (unmarked) point process wereindependent of the covariate and ...
Optimal Multicasting in Millimeter Wave 5G NR with Multi-beam Directional Antennas
(Institute of Electrical and Electronics Engineers, 2021-12)
The support of multicast communications in the fifth-generation (5G) New Radio (NR) system poses unique
challenges to system designers. Particularly, the highly directional antennas do not allow to serve all the user ...