Now showing items 109-128 of 206

  • Light and current generation system for measuring the behaviour of the Norway lobster 

    Sarriá Gandul, David; Sbragaglia, Valerio; Gomáriz Castro, Spartacus; Garcia, José Antonio; Artero Delgado, Carola; Aguzzi, Jacopo; Sardà Amills, Francesc; Manuel Lázaro, Antonio (2015-06-01)
    Article
    Open Access
    Patterns of how the Norway lobster (Nephrops norvegicus L.) emerges from its burrow in relation to sea currents at different times of the day-night cycles is currently unknown. The degree of influence of these variables ...
  • Linear control design for a path planning of AUV-Cormoran 

    González Agudelo, Julián; Benezra, Andreina; Gomáriz Castro, Spartacus; Manuel Lázaro, Antonio (2010-12-01)
    Article
    Open Access
    This work shows a linearization for a AUV-Cormoran dynamic mathematical model with the aim of designing linear controllers for trajectory control. The model is developed under 3 degrees of freedom and the whole system ...
  • Linear control design for a path planning og auv-cormoran 

    González, Julián; Benezra, Andreína; Gomáriz, Spartacus; Manuel Lázaro, Antonio (SARTI, 2010)
    Article
    Open Access
  • Long term monitoring of day-night fish assemblage at OBSEA 

    Santamaria, Josep; Aguzzi, Jacopo; Sbragaglia, Valerio; Río Fernandez, Joaquín del; Nogueras Cervera, Marc; Manuel Lázaro, Antonio; Sardá Amills, Francesc (2013)
    Conference report
    Open Access
    High frequency monitoring and the reducing of disturbance of sampling activities have a vital importance in the study of fish communities. The aim of this paper is to describe temporal patterns in habitat utilization ...
  • Long term monitoring of day-night fish assemblage at obsea 

    Santamaria Garcia, Pere; Aguzzi, Jacopo; Sbragaglia, V.; Río Fernandez, Joaquín del; Nogueras Cervera, Marc; Manuel Lázaro, Antonio; Sardà Ferran, Jordi (SARTI, 2013)
    Conference lecture
    Open Access
  • Low cost OFDM based transmitter for underwater acoustic communications 

    Sarriá Gandul, David; Pallarés Valls, Oriol; Río Fernandez, Joaquín del; Manuel Lázaro, Antonio (2013)
    Conference report
    Open Access
    On this work a low cost OFDM transmitter for underwater sensor networks is presented. The transmitter is based on a low power microcontroller that governs a DDS in order to generate the output data -OFDM symbols- avoiding ...
  • Low-cost acoustic transmitter for underwater sensor networks 

    Sarriá Gandul, David; Pallarés, Oriol; Manuel Lázaro, Antonio (SARTI Technological Development Centre of Remote Acquisition and Data processing Systems, 2012)
    Article
    Open Access
    Currently, there is a lag in the proliferation of underwater sensors due to the lack of low cost acoustic transmitters. The high cost of acoustic modems and some of their characteristics, make them inappropriate for ...
  • Marine fauna identification via image analysis from OBSEA 

    Condal, Fernando; Aguzzi, Jacopo; Sardà, Francesc; Manuel Lázaro, Antonio (2010-12-01)
    Article
    Open Access
    The OBSEA laboratory has integrated an IP-Video camera that works 24 hours per day recording images of local fauna. These images have been analyzed in order to identify the different marine organisms in the vicinities.
  • Marine fauna identification via image analysis from obsea 

    Condal, Fernando; Aguzzi, Jacopo; Sardà, Francesc; Manuel Lázaro, Antonio (SARTI, 2010)
    Article
    Open Access
  • Marine Information over the Network 

    Río Fernández, Joaquín del; Sorribes, J.; Trullols Farreny, Enric; Manuel Lázaro, Antonio (SARTI (Technological Development Centre of Remote Acquisition and Data processing Systems. Technical University of Catalonia (UPC)., 2005-10-01)
    Article
    Open Access
    The objective of the present paper is to present the experience about the integration of a group of hardware/software technologies that are applied successfully in networks and systems based on TCP-IP protocol and can be ...
  • Marine Technology in Spain: a Challenge to Achieve High Quality Research in Marine Sciences 

    Manuel Lázaro, Antonio; Dañobeitia Canales, Juan José (SARTI (Technological Development Centre of Remote Acquisition and Data processing Systems. Technical University of Catalonia (UPC)., 2005-10-01)
    Article
    Open Access
  • Model Characterization of Geophone Sensor 

    Roset Juan, Francesc Xavier; Manuel Lázaro, Antonio (SARTI (Technological Development Centre of Remote Acquisition and Data processing Systems. Technical University of Catalonia (UPC)., 2005-10-01)
    Article
    Open Access
  • Monitoring sediment dynamics at the boundary between the coastal zone and the continental shelf 

    Antonijuan Rull, Josefina; Guillen, J.; Nogueras Cervera, Marc; Manuel Lázaro, Antonio; Palanques Monteys, Albert; Puig, P. (Institute of Electrical and Electronics Engineers, 2011)
    Conference report
    Restricted access - publisher's policy
    This article presents some preliminary results of the sedimentary dynamics observed during the first 3 months of data collection obtained with the Acoustic Wave and Current Profiler installed in the OBSEA platform in the ...
  • Monitoring species in artificial reefs using acoustic communications 

    Sarrià, David; Molino Minero, Erik; Rotllan, Guiomar; Manuel Lázaro, Antonio; Aguzzi, Jacopo; Sardà, Francesc; Sbragaglia, Valerio (SARTI, 2011)
    Article
    Open Access
  • Monitoring species in artificial reefs using acoustic communications 

    Sbragaglia, Valerio; Sarriá Gandul, David; Molino Minero, Erik; Manuel Lázaro, Antonio; Garcia Benadí, Albert; Rotllant Estelrich, Guiomar; Gisbert Casas, Enric; Sardà Amills, Francesc; Aguzzi, Jacopo (2011)
    Conference report
    Open Access
    The purpose of this work is to study and evaluate the limitations of using acoustic communications in the vicinity of artificial reefs. By placing hydrophones and transmitters in different strategic locations we have ...
  • Monitoring species using acoustic communications 

    Sarriá Gandul, David; Molino Minero, Erik; Río Fernandez, Joaquín del; Manuel Lázaro, Antonio; Sardà Amills, Francesc; Aguzzi, Jacopo; Rotllant Estelrich, Guiomar (Institute of Electrical and Electronics Engineers, 2011)
    Conference report
    Restricted access - publisher's policy
    On this paper a description of a monitoring system for marine speciesbased on acoustic hydrophones and transmitters is presented. The main purpose of the work is to test the performance of these instruments working in ...
  • Network management for marine sensor networks 

    Sorribas, Jordi; Trullols Farreny, Enric; Río Fernández, Joaquín del; Manuel Lázaro, Antonio (SARTI (Technological Development Centre of Remote Acquisition and Data processing Systems. Technical University of Catalonia (UPC)., 2005-10-01)
    Article
    Open Access
  • New design of an ocean bottom seismometer (OBS) 

    Carreras, N.; Shahriat, S.; Artero, Carla; Manuel Lázaro, Antonio; Owen, T. (SARTI, 2011)
    Article
    Open Access
  • Norit Project : Incidence of Norway lobster (Nephrops norvegicus L.) emergence activity rhythms on its population assessment 

    Sardà, Francesc; Manuel Lázaro, Antonio; Company, Joan Batista; Aguzzi, Jacopo; Sánchez, J.; Sánchez, J. D.; Bahamón Rivera, Nixon; Ramos, H.; Antonijuan Rull, Josefina; Sánchez, A. F.; Quesada López, Rubén; Segalàs Coral, Jorge; Da Cruz Serra, AM. (SARTI (Technological Development Centre of Remote Acquisition and Data processing Systems. Technical University of Catalonia (UPC)., 2005-10-01)
    Article
    Open Access
  • OBSEA an oceanographic seafloor observatory 

    Nogueras Cervera, Marc; Río Fernandez, Joaquín del; Cadena Muñoz, Francisco Javier; Sorribas, Jordi; Artero Delgado, Carola; Dañobeitia, Juan José; Manuel Lázaro, Antonio (2010)
    Conference report
    Restricted access - publisher's policy
    In this paper is described the different items of a subsea observatory. The control system is constantly monitoring the internal and external components of the observatory detecting operating faults and acting automatically ...