Examinando por Materia "Acústica submarina"

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  • Publicación
    Acceso abierto
    Diseño e implementación de un sistema de comunicación subacuática basado en la emisión y recepción de señales en el rango de frecuencias de ultrasonido
    (2017) Uribe Gómez, Andrés Felipe; Vélez Hurtado, Javier Alberto; Meneses Benavides, Gustavo
    Communications in marine environments represent a special case within information transmission and reception systems, given the characteristics of the medium that obviously affect the propagation of radio signals, resulting in a predominance, at least in submarine implementations, Acoustic wave or optical link based communications. It is proposed to implement an underwater communications system which is based on ultrasonic waves and which can be used in telemetry applications or the like, having a relatively low transmission rate. In order to verify the effectiveness and performance of such systems, the design and implementation of an acoustic source underwater will be carried out and controlled by electronic circuits for the transmission of information. The reception will be carried out with the aid of an arrangement of hydrophones and electronic demodulation-decoding circuits. Alternatively, you can use computer equipment, data acquisition cards, development platforms that use processors of 32 or more bits, or similar devices to assist in the reception stage when the transmission scheme so requires. It is hoped to contribute with this work to an area that has few registers of study and experimentation at local level, also looks for to find new possibilities for systems of telemetry in marine environments that can be adapted to different scenarios that require of underwater communication. The fields of application and experimentation for underwater communication solutions range from the control and monitoring of remotely operated submarine vehicles to underwater sensor networks, to name a few.
  • Publicación
    Acceso abierto
    Dispositivo subacuático para la protección auditiva
    (2012-11) Ramirez Cuesta, Camilo Andrés; Mejía Pinillos, Jorge Alejandro
    El objetivo general de este proyecto es desarrollar un dispositivo de protección auditiva para un medio subacuático que permita la realización de técnicas de compensación de presión y que asegure la protección del órgano auditivo en un rango de 0 a 60 metros de profundidad.