Visualitzant La Salle per autor/a "Hervás García, Marcos"
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An FPGA Platform Proposal for Real-Time Acoustic Event Detection: Optimum Platform Implementation for Audio Recognition with Time Restrictions
Hervás García, Marcos; Alsina Pagès, Rosa Maria (3rd International Electronic Conference on Sensors and Applications, 2016-11-14)Nowadays, monitoring of people and events is a common matter in the street, in the industry or at home, and acoustic event detection is commonly used. This increases the knowledge of what is happening ... -
An FPGA Scalable Software Defined Radio Platform Design for Educational and Research Purposes
Hervás García, Marcos; Alsina Pagès, Rosa Maria; Salvador Marín, Martí (Electronics. 2016, Vol.5 , No.2, 2016-06)In a digital modem design, the integration of the Analog to Digital Converters (ADC) and Digital to Analog Converters (DAC) with the core processor is usually a major issue for the designer. In this ... -
An FPGA-Based WASN for Remote Real-Time Monitoring of Endangered Species: A Case Study on the Birdsong Recognition of Botaurus stellaris
Hervás García, Marcos; Alsina Pagès, Rosa Maria; Alías Pujol, Francesc; Salvador Marín, Martí (Sensors. 2017, Vol.17 , No. 6, 2017-06)Fast environmental variations due to climate change can cause mass decline or even extinctions of species, having a dramatic impact on the future of biodiversity. During the last decade, different ... -
Construction and characterization of an omnidirectional parametric loudspeaker consisting of ultrasound transducers set on sphere
Arnela Coll, Marc; Sánchez Martín, Patrícia; Hervás García, Marcos; Camps Dausà, Joan; Guasch Fortuny, Oriol; Martínez Suquía, Carme; Alsina Pagès, Rosa Maria (Novem 2018. Noise and vibration emerging methods, 2018)Standard omnidirectional sound sources typically consist of conventional loudspeakers arranged in a dodecahedral configuration. For such devices, a microphone in a circular trajectory around the source ... -
Design of a Low-Cost Configurable Acoustic Sensor for the Rapid Development of Sound Recognition Applications
Alsina Pagès, Rosa Maria; Hervás García, Marcos; Duboc, Leticia; Carbassa Dalmases, Jordi (Electronics, 2020, Vol. 9, No 7, 2020-07)Concerned about the noise pollution in urban environments, the European Commission (EC) has created an Environmental Noise Directive 2002/49/EC (END) requiring Member states to publish noise maps and ... -
Home Sound: a GPU-based Platform for Massive Data Acquisition and Processing for Acoustic Ambient Assisted Living Applications for Behavior Monitoring
Navarro Martín, Joan; Alsina Pagès, Rosa Maria; Hervás García, Marcos (Sensors & Transducers Journal. 2017. Vol.212, No.5 (Maig), 2017-05)Human life expectancy has grown over the last century, which has driven governments to increase the efforts on caring about the eldest population. Therefore, modern trends take advantage of latest ... -
homeSound: A High Performance Platform for Massive Data Acquisitionand Processing in Ambient Assisted Living Environments
Hervás García, Marcos; Alsina Pagès, Rosa Maria; Navarro Martín, Joan (2017-02)Las Smart Grids se presentan como una solución a la demanda de la gestión distribuida e inteligente de la energía, mejorando así las funciones de automatización, recolección ... -
homeSound: Real-Time Audio Event Detection Based on High Performance Computing for Behaviour and Surveillance Remote Monitoring
Alsina Pagès, Rosa Maria; Navarro Martín, Joan; Alías Pujol, Francesc; Hervás García, Marcos (Sensors. 2017, Vol. 17, No. 4, 2017-04)The consistent growth in human life expectancy during the recent years has driven governments and private organizations to increase the efforts in caring for the eldest segment of the population. These ... -
Interannual Variation of a 12,760 km Transequatorial Ionospheric Channel Availability and Its Dependence on Ionization
Orga Vidal, Ferran; Altadill Felip, David; Hervás García, Marcos; Alsina Pagès, Rosa Maria (1st International Electronic Conference on Atmospheric Sciences, 2016-07-15)The ionosphere provides a channel able for long-haul and Non-Line-Of-Sight (NLOS) communications. Nonetheless, the amount of ionization depends on the Sun activity, whose diurnal and seasonal cycles ... -
Ionospheric Narrowband and Wideband HF Soundings for Communications Purposes: A Review
Hervás García, Marcos; Bergadà Caramés, Pau; Alsina Pagès, Rosa Maria (Sensors, 2020, Vol. 20 No 9, 2020-04)High Frequency (HF) communications through ionospheric reflection is a widely usedtechnique specifically for maritime, aeronautical, and emergency services communication withremote areas due ... -
Narrowband and Wideband Channel Sounding of an Antarctica to Spain Ionospheric Radio Link
Hervás García, Marcos; Alsina Pagès, Rosa Maria; Orga Vidal, Ferran; Altadill Felip, David; Pijoan Vidal, Joan Lluís; Badia Folguera, David (Remote Sensing. 2015, Vol.7, 2015-09)La Salle and Ebro Observatory have been involved in remote sensing projects in Antarctica for the last 11 years (approximately one solar cycle). The Ebro Observatory has been monitoring and analyzing ... -
Narrowband and Wideband Channel Sounding of an Antarctica to Spain Ionospheric Radio Link
Hervás García, Marcos; Alsina Pagès, Rosa Maria; Orga Vidal, Ferran; Pijoan Vidal, Joan Lluís; Badia Folguera, David; Altadill Felip, David (2015-06)La Salle and Ebro Observatory have been involved in several joint projects about remote sensing in Antarctica for the last 11 years (approximately one solar cycle). The Ebro Observatory has been monitoring ... -
Physical Layer Definition for a Long-Haul HF Antarctica to Spain Radio Link
Alsina Pagès, Rosa Maria; Hervás García, Marcos; Orga Vidal, Ferran; Pijoan Vidal, Joan Lluís; Badia Folguera, David; Altadill Felip, David (Remote Sensing. 2016. Vol.8 No.5 (Maig), 2016-05)La Salle and the Observatori de l’Ebre (OE) have been involved in a remote sensing project in Antarctica for the last 11 years. The OE has been monitoring the geomagnetic activity for more than twenty ... -
Polarization diversity in a long-haul transequatorial HF link from Antarctica to Spain
Bergadà Caramés, Pau; Alsina Pagès, Rosa Maria; Hervás García, Marcos (Radio Science. 2017. Vol.52 Nº.1 (Gener), 2017-01)This paper describes a set of experiments which examine the feasibility of applying polarization diversity to a 12,760 km ionospheric link from Livingston Island (62.6°S, 60.4°W), South Shetlands, to ... -
Real-Time Audio Event Detection over a Low-Cost GPU Platform for Surveillance in Remote Elderly Monitoring
Alsina Pagès, Rosa Maria; Hervás García, Marcos (4th International Electronic Conference on Sensors and Applications, 2017-11-14)The average of life expectancy of the population and the prioritization of authorities in active and home aging has increased recently. This has led governments and private organizations to increase ... -
Real-Time Distributed Architecture for Remote Acoustic Elderly Monitoring in Residential-Scale Ambient Assisted Living Scenarios
Navarro Martín, Joan; Vidaña Vila, Ester; Alsina Pagès, Rosa Maria; Hervás García, Marcos (Sensors. 2018, Vol. 18, No.8., 2018-08)Ambient Assisted Living (AAL) has become a powerful alternative to improving the life quality of elderly and partially dependent people in their own living environments. In this regard, tele-care and ... -
Remote Sensor Data Transmission from Antarctica to Spain with a Long-Haul HF Ionospheric Link
Alsina Pagès, Rosa Maria; Badia Folguera, David; Bergadà Caramés, Pau; Hervás García, Marcos; Orga Vidal, Ferran; Pijoan Vidal, Joan Lluís; Regué, Joan Ramon; Salvador Marín, Martí; Altadill Felip, David (2015)The geophysical observatory in the Antarctic Spanish Station Juan Carlos I (BAE), on Livingston Island (62.6S, 60.4W), has been monitoring the magnetic field in the Antarctic region for more than fifteen ... -
Variation of Ionospheric Narrowband and Wideband Performance for a 12,760 km Transequatorial Link and Its Dependence on Solar and Ionospheric Activity
Alsina Pagès, Rosa Maria; Altadill Felip, David; Hervás García, Marcos; Blanch Llosa, Estefania; Segarra, Antoni; González Sans, Xavier (Remote Sensing, 2020, Vol.12 no 17, 2020-08)The ionosphere provides a channel that is able to propagate electromagnetic waves for long-haul communications, allowing Non-Line-Of-Sight (NLOS) radio communications in the high-frequency band (HF). ... -
Vertical and oblique ionospheric soundings performance comparison over the 12,760 km transequatorial HF link between Antarctica and Spain
Alsina Pagès, Rosa Maria; Hervás García, Marcos; Altadill Felip, David; Calduch Casas, Jordi; Blanch Llosa, Estefania (Radio Science. 2017. Vol.52, No.4 (Abril), 2017-03)This paper presents the second part of the study of the oblique sounding of a 12,760 km transequatorial ionospheric link between Livingston Island (Antarctica) and Cambrils in Spain. The study consists ...