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Browsing by Author "Carrión García, Alicia"

Now showing items 1-20 of 24

Airborne non-contact and contact broadband ultrasounds for frequency attenuation profile estimation of cementitious materials

Gosálbez Castillo, Jorge; Wright, W.M.D.; Jiang, W.; Carrión García, Alicia; Genovés, V.; Bosch Roig, Ignacio (Elsevier, 2018-08)

[EN] In this paper, the study of frequency-dependent ultrasonic attenuation in strongly heterogeneous cementitious materials is addressed. To accurately determine the attenuation over a wide frequency range, it is necessary ...
Airborne ultrasonic technique to measure leaky Lamb waves with narrowband and low-frequency excitation

Vázquez, S.; Gosálbez Castillo, Jorge; Wright, W. M. D.; Gallardo, C.; Bosch Roig, Ignacio; CARRIÓN GARCÍA, ALICIA (Acoustical Society of America, 2019-09-06)

Air-coupled non-destructive testing has become very valuable because eliminates the use of liquid couplants and enables a contactless fast inspection of structures. Multimodal leaky Lamb waves can be excited and sensed ...
Airborne ultrasounds for damaged cementitious characterization

Gosálbez Castillo, Jorge; CARRIÓN GARCÍA, ALICIA; Gallardo, C.; Vázquez, S.; Genovés, V.; Paya Bernabeu, Jorge Juan (Acoustical Society of America, 2019-09-06)

[EN] The scope of this paper is to demonstrate the capability of airborne non-contact ultrasound (ANC-US) to assess thermal damage on normalized Portland cement mortar specimens. For this purpose, contact ultrasound (C-US) ...
Assessment of Arrow-of-Time Metrics for the Characterization of Underwater Explosions

Miralles Ricós, Ramón; Lara, Guillermo; CARRIÓN GARCÍA, ALICIA; Bou-Cabo, Manuel (MDPI AG, 2021-09)

[EN] Anthropogenic impulsive sound sources with high intensity are a threat to marine life and it is crucial to keep them under control to preserve the biodiversity of marine ecosystems. Underwater explosions are one of ...
Automatic Detection and Classification of Beluga Whale Vocalizations

Miralles Ricós, Ramón; Lara Martínez, Guillermo-Fernán; Carrión García, Alicia; Esteban, Jose Antonio (Science and Engineering Publishing Company, 2013-05)

[EN] In this work, an algorithm has been proposed for real time detection and classification of beluga whale calls. The detection algorithm is based on an adaptive activity detector that exploits a priori knowledge of the ...
Caracterización ultrasónica de las constantes elásticas de resinas dopadas con grafeno para aplicaciones odontológicas

Lloret Gaona, Álvaro (Universitat Politècnica de València, 2022-01-12)

[ES] Actualmente existe una gran variedad de materiales para implantes odontológicos debido al avance de la tecnología CAD/CAM que ha permitido obtener unidades de fresado de distintos materiales. Cada material presenta ...
Characterization of the complexity in short oscillating time series: An application to seismic airgun detonations

Miralles Ricós, Ramón; Carrión García, Alicia; Looney, D.; Lara Martínez, Guillermo-Fernán; D. Mandic (Acoustical Society of America, 2015-09)

Extracting frequency-derived parameters allows for the identification and characterization of acoustic events, such as those obtained in passive acoustic monitoring applications. Situations where it is difficult to achieve ...
Comparative Study of Coupling Techniques in Lamb Wave Testing of Metallic and Cementitious Plates

Vazquez-Martinez, Santiago; Gosálbez Castillo, Jorge; Bosch Roig, Ignacio; CARRIÓN GARCÍA, ALICIA; Gallardo-Llopis, Carles; Paya Bernabeu, Jorge Juan (MDPI AG, 2019-09-20)

[Otros] Lamb waves have emerged as a valuable tool to examine long plate-like structures in a faster way compared to conventional bulk wave techniques, which make them attractive in non-destructive testing. However, they ...
Effects of slow dynamics and conditioning on non-linear hysteretic material evaluation using impact resonance acoustic spectroscopy

CARRIÓN GARCÍA, ALICIA; Genovés, V.; Perez, G.; Bittner, J.; POPOVICS, J.S.; Paya Bernabeu, Jorge Juan; Gosálbez Castillo, Jorge (Elsevier, 2021-03)

[EN] The microstructural features of heterogeneous and porous materials give rise to unique non-linear dynamic behaviour. The purpose of this work is to investigate the dynamic response of thermally damaged concrete specimens ...
Evaluación ultrasónica del proceso de desmineralización de la dentina

Pizarroso Galán, Marta (Universitat Politècnica de València, 2022-01-12)

[ES] El grabado dental es una técnica ampliamente utilizada en odontología basada en la desmineralización de la dentina. Se emplea para facilitar la adherencia a la superficie dental de los diferentes adhesivos necesarios ...
Ex-post evaluation of Interruptible Load programs with a system optimisation perspective

Ribó-Pérez, David Gabriel; CARRIÓN GARCÍA, ALICIA; Rodríguez-García, Javier; Álvarez, Carlos (Elsevier, 2021-12-01)

[EN] The deployment of demand response in reserve markets has been widely discussed. Interruptible Load programs contract demand capacity from consumers in exchange for fixed and variable payments. System operators contract ...
Financial Stress Through Complexity Science

Hemakom, Apit; Chanwimalueang, Theerasak; Carrión García, Alicia; Aufegger, Lisa; Constantinides, Anthony G.; Mandic, Danilo P. (Institute of Electrical and Electronics Engineers (IEEE), 2016-09)

Financial markets typically undergo periods of prosperity followed by periods of stagnation, and this undulation makes it challenging to maintain market efficiency. The efficient market hypothesis (EMH) states that there ...
Flipped Accumulative Non-Linear Single Impact Resonance Acoustic Spectroscopy (FANSIRAS): A novel feature extraction algorithm for global damage assessment

Carrión García, Alicia; Genovés, V.; Pérez, G.; Paya Bernabeu, Jorge Juan; Gosálbez Castillo, Jorge (Elsevier, 2018)

[EN] High amplitude non-linear acoustic methods have shown great potential for the identification of micro-damage in inhomogeneous materials such as concrete. Usually, these methods evaluate non-linearity parameters related ...
Impact of COVID-19 lockdown in telecommunications engineering competency-based alumni ranking

Llorente, Roberto; Rodríguez-Hernández, Miguel A.; Hernandez Franco, Carlos Alberto; Sastre, Jorge; CARRIÓN GARCÍA, ALICIA; Madrigal-Madrigal, Javier (IATED Academy, 2020-11-10)

[EN] Higher education, as other social and economic sectors in Spain, was disrupted on 15th March 2020 following health emergency Laws enacted related to COVID-19. Non-presential lecturing was stablished country-wide until ...
Measuring Predictability in Ultrasonic Signals: An Application to Scattering Material Characterization

Carrión García, Alicia; Miralles Ricós, Ramón; Lara Martínez, Guillermo-Fernán (Elsevier, 2014-09)

[EN] In this paper, we present a novel and completely different approach to the problem of scattering material characterization: measuring the degree of predictability of the time series. Measuring predictability can provide ...
Medida del determinismo en señales de inspección ultrasónica para la caracterización de materiales dispersivos

Carrión García, Alicia (Universitat Politècnica de València, 2015-01-21)

Este trabajo presenta un nuevo enfoque en el problema de la caracterización de materiales dispersivos: la medida del grado de determinismo en señales de inspección ultrasónica. La medida del nivel de determinismo puede dar ...
Monitorización de parámetros ambientales y ultrasónicos durante el proceso de fraguado de pastas de cementos con diferentes dosificaciones

Pitarch Bono, Damián (Universitat Politècnica de València, 2020-12-22)

[ES] El objetivo de este trabajo consistirá, realizar un estudio de la evolución de diferentes parámetros tanto ambientales (humedad, temperatura, presión atmosférica) como ultrasónicos (velocidad, atenuación¿) durante ...
Nonlinear Acoustic Spectroscopy and Frequency Sweep Ultrasonics: Case on Thermal Damage Assessment in Mortar

Genovés, V.; CARRIÓN GARCÍA, ALICIA; Escobar, D.; Gosálbez Castillo, Jorge; Monzó Balbuena, José Mª; Borrachero Rosado, María Victoria; Paya Bernabeu, Jorge Juan (Springer-Verlag, 2019-09)

[EN] An exhaustive study on thermal damage of Portland cement-based materials is addressed. Damage carried out at different temperatures on concrete between 40 and 525 degrees C were assessed by means of microstructural, ...
Optimized ultrasonic attenuation measures for non-homogeneous materials

Genovés Gómez, Vicente; Gosálbez Castillo, Jorge; Carrión García, Alicia; Miralles Ricós, Ramón; Paya Bernabeu, Jorge Juan (Elsevier, 2016-02)

In this paper the study of frequency-dependent ultrasonic attenuation in strongly heterogeneous materials is addressed. To determine the attenuation accurately over a wide frequency range, it is necessary to have suitable ...
SAMARUC a Programmable system for Passive acoustic monitoring of cetaceans

Miralles Ricós, Ramón; Lara Martínez, Guillermo-Fernán; Carrión García, Alicia; Esteban , José Antonio (Instituto de Telecomunicaciones y Aplicaciones Multimedia (iTEAM), 2013)

[EN] This paper reports the work carried out by iTEAM researchers in Passive Acoustic Monitoring (PAM) for underwater monitoring of cetaceans. It includes a description of novel signal processing algorithms for detection ...