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Browsing by Author "Carrión García, Alicia"

Now showing items 1-16 of 16

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 ...
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 ...
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 ...
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 ...
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 ...
Signal Modality Characterization: from Phase Space Reconstruction to Real Applications

Carrión García, Alicia (Universitat Politècnica de València, 2018-07-30)

La caracterización de la modalidad de la señal es un nuevo concepto objeto de recientes trabajos de investigación cuyo principal propósito es identificar cambios en la naturaleza de señales reales. Con el término naturaleza ...
Ultrasonic and impact spectroscopy monitoring on internal sulphate attack of cement-based materials

Genovés Gómez, Vicente; Vargas, F.; Gosálbez Castillo, Jorge; Carrión García, Alicia; Borrachero Rosado, María Victoria; Paya Bernabeu, Jorge Juan (Elsevier, 2017)

[EN] An exhaustive monitoring of an internal sulphate attack of Portland cement-based materials is addressed. Four series of Portland cement mortars with different amounts of gypsum (0%¿2% SO3 respect to the cement by mass) ...
Ultrasonic broadband signal monitoring of Glass-fiber Reinforced Cement (GRC) bending tests

Genovés, V.; Gosálbez Castillo, Jorge; Carrión García, Alicia; Miralles Ricós, Ramón; Paya Bernabeu, Jorge Juan (Elsevier, 2017)

[EN] In this study, complete ultrasonic monitoring of Glass-fiber Reinforced Cement plates under bending tests was addressed. In this kind of experiment, the mechanical properties of the specimen continuously change during ...
Ultrasonic signal modality: A novel approach for concrete damage evaluation

Carrión García, Alicia; Genovés, V.; Gosálbez Castillo, Jorge; Miralles Ricós, Ramón; Paya Bernabeu, Jorge Juan (Elsevier, 2017)

[EN] In this paper, a new approach for characterizing material damage, using ultrasonic waves, is proposed. Two concrete series with two types of cement with different C3A content and similar mechanical properties ...