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Listar por autor "Campo-Valera, María"
Mostrando ítems 1-20 de 22
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A novel modulation approach based on nonlinear acoustic signals for underwater communications.
Campo-Valera, María; Diego-Tortosa, Dídac; Asorey-Cacheda, Rafael; Gómez-Tornero, José Luis; Herrera-Fernández, Luis Jorge (European Acoustics Association, 2023)Nonlinear acoustics is the catalyst of a new generation of applications that are exploited in different fields. The parametric nonlinear effect, i.e. the appearance of extra harmonics in the spectrum besides the fundamental ... -
Antena leaky-wave hecha a mano para propósitos educativos.
Campo-Valera, María; Poveda-García, Miguel; García-Fernández, Joaquín; Cañete-Rebenaque, David; Gómez-Tornero, José Luis (2022)The design, manufacture and testing of a micro strip leaky-wave antenna in the UHF band is reported. The antenna is fabricated using low-cost materials and handmade techniques. This activity is intended for educational ... -
Antenas Leaky-Waves Acústicas Moduladas.
This paper shows for the first time the ability of Acoustic Leaky-Wave antennas (ALWAs) to modulate the phase and the leakage rate of the constituent leaky mode. This feature is crucial to synthesize shaped acoustic beams, ... -
Characterization of a Piezoelectric Acoustic Sensor Fabricated for Low-Frequency Applications: A Comparative Study of Three Methods
Campo-Valera, María; Asorey-Cacheda, Rafael; Rodríguez-Rodríguez, Ignacio; Villó-Pérez, Isidro (MDPI, 2023-03-02)Piezoelectric transducers are widely used for generating acoustic energy, and choosing the right radiating element is crucial for efficient energy conversion. In recent decades, numerous studies have been conducted to ... -
Constrained IoT-based machine learning for accurate glycemia forecasting in Type 1 Diabetes patients
Rodríguez-Rodríguez, Ignacio; Campo-Valera, María; Rodríguez, José-Víctor; Frisa-Rubio, Alberto (MDPI, 2023-03-31)Individuals with diabetes mellitus type 1 (DM1) tend to check their blood sugar levels multiple times daily and utilize this information to predict their future glycemic levels. Based on these predictions, patients decide ... -
Diseño compacto de un reactor químico asistido por calentamiento multifrecuencia con microondas.
Este trabajo propone un diseño de reactor químico con calentamiento por microondas, con dos innovaciones clave: la combinación de la cavidad resonante y el recipiente en el mismo volumen, con la integración de antenas ... -
Diseño de una antena de onda de fuga acústica para la localización espacial.
Fernández-Garrido, Alejandro; Campo-Valera, María; Abdo-Sánchez, María Elena; Picó, Rubén; Asorey-Cacheda, Rafael (2024)
Desde la década de 1910, las señales acústicas se han utilizado para la localización espacial de objetos, como en el SONAR, y en diversas aplicaciones de localización de fuentes sonoras en el aire, incluyendo sistemas de ... -
Effectiveness of Sound Field Corrections for High-Frequency Pressure Comparison Calibration of MEMS Microphones.
Saba, Fabio; Campo-Valera, María; Paesante, Davide; Durando, Giovanni; Corallo, Mario; Pugliese, Diego[et al.] (MDPI, 2025)The calibration of Micro-Electro-Mechanical System (MEMS) microphones remains a critical challenge due to their miniaturized geometry and sensitivity to non-uniform acoustic fields. This study presents an advanced calibration ... -
Estudio del efecto paramétrico en agua con aplicación a un calibrador acústico para detección de neutrinos.
Campo-Valera, María; Ardid Ramírez, Miguel; Diego Tortosa, Dídac; Felis-Enguix, Iván; Martínez Mora, Juan Antonio (2017)The parametric generation is a non-lineal effect which allows the generation of low frequencies (secondary beam), emanating from high frequency beams (primary beam), showing a narrow directivity pattern, similar to that ... -
Exploring the impact of peer review in electrical engineering courses.
Boluda-Ruiz, Rubén; Campo-Valera, María; Moreno-González, Inés (IATED, 2024)
The use of peer review in university students enrolled in STEM (Science, Technology, Engineering, and Mathematics) degrees emerges as an ever-evolving educational strategy. This approach is justified not only by its solid ... -
Exploring the Validity of Plane and Spherical Millimeter-Wave Incidences for Multiple-Diffraction Calculations in Wireless Communication Systems.
López-Segovia, Alba; Rodríguez-Rodríguez, Ignacio; Rodríguez, José-Víctor; Juan-Llácer, Leandro; Campo-Valera, María; Woo, Wai Lok[et al.] (MDPI, 2023-04-27)The focus of this work is to determine at which threshold can the results for both plane and spherical wave incidence assumptions either converge or deviate when performing multiple diffraction attenuation calculations. ... -
Forecasting glycaemia for type 1 diabetes mellitus patients by means of IoMT devices
Rodríguez-Rodríguez, Ignacio; Campo-Valera, María; Rodríguez, José-Víctor (Elsevier, 2023-09-22)The chronic metabolic condition, Type 1 diabetes mellitus (DM1), is marked by consistent hyperglycemia due to the body's inability to produce sufficient insulin. This necessitates the patient's daily monitoring of blood ... -
Handmade Microstrip Leaky-Wave Antenna in UHF band for Educational Purposes.
Campo-Valera, María; Poveda-García, Miguel; García-Fernández, Joaquín; Cañete-Rebenaque, David; Gómez-Tornero, José Luis (2022)The design, manufacture and testing of a micro strip leaky-wave antenna in the UHF band is reported. The antenna is fabricated using low-cost materials and handmade techniques. This activity is intended for educational ... -
IoMT innovations in diabetes management: Predictive models using wearable data
Rodríguez-Rodríguez, Ignacio; Campo-Valera, María; Rodríguez, José-Víctor; Woo, Wai Lok (Elsevier, 2023-10-09)Diabetes Mellitus (DM) represents a metabolic disorder characterized by consistently elevated blood glucose levels due to inadequate pancreatic insulin production. Type 1 DM (DM1) constitutes the insulin-dependent manifestation ... -
Modeling of an Acoustic Leaky-Wave Antenna for Spatial Localization.
Fernández-Garrido, Alejandro; Campo-Valera, María; Abdo-Sánchez, María Elena; Picó, Rubén; Asorey-Cacheda, Rafael (2024)
The use of acoustic signals to locate objects in space has evolved significantly, highlighting techniques such as SONAR. An innovative alternative are Acoustic Leaky-Wave Antennas (ALWAs), which, inspired by electromagnetic ... -
Practical Aspects of Acoustic Leaky-Wave Antennas Applied to Underwater Direction Finding.
Felis-Enguix, Iván; Otero-Vega, Jorge; Campo-Valera, María; Villó-Pérez, Isidro; Gómez-Tornero, José Luis (MDPI, 2020)Acoustic leaky-wave antennas (ALWAs) have demonstrated the capacity to steer directive sound waves in frequency-dependent directions, due to the inherent dispersive radiation characteristic of leaky modes. Compared to more ... -
Proof of Concept of the Use of the Parametric Effect in Two Media with Application to Underwater Acoustic Communications.
Campo-Valera, María; Rodríguez-Rodríguez, Ignacio; Rodríguez, José-Víctor; Herrera-Fernández, Luis-Jorge (MDPI, 2023-08-15)Nonlinear acoustics offers a new range of acoustic applications that are currently being exploited. The parametric nonlinear effect—the occurrence of low frequencies with modulated high-frequency emission—is of particular ... -
Propiedades y aplicaciones del efecto paramétrico en aire y agua.
Non-linear acoustics offers a new range of acoustic applications that are currently being exploited. The parametric nonlinearity, that is, the appearance of low frequencies with high emission, has a special interest ... -
Simulación y diseño de un sensor acústico piezoeléctrico para detección de partículas.
Bubble chambers used in detectors for detecting dark matter use piezoelectric sensors in order to detect and discriminate the acoustic signals from bubbles growth in the superheated liquid when a particle interaction occurs. ... -
Técnicas de modulación para las comunicaciones acústicas no lineales.
Non-linear acoustics offers a new era in acoustic applications that are currently being exploited in different fields. The non-linear parametric effect, i.e, the appearance of extra harmonics in the spectrum besides the ...