Sökning: "Underwater communication Acoustic communication"

Visar resultat 1 - 5 av 10 uppsatser innehållade orden Underwater communication Acoustic communication.

  1. 1. Undervattenskommunikation : En turboutjämnares förmåga att skatta kanalen

    Uppsats för yrkesexamina på avancerad nivå, Uppsala universitet/Signaler och system

    Författare :Marcus Hellström; [2023]
    Nyckelord :undervattenskommunikation; turboutjämning;

    Sammanfattning : Despite advancements in wireless communication worldwide, wireless underwater communication remains a significant challenge. The marine environment presents unique and challenging conditions for wireless communication, rendering radio waves unsuitable for long-distance underwater communication due to the water's absorption of electromagnetic waves. LÄS MER

  3. 2. Design of Autonomous Underwater Vehicle’s (AUV) Antenna System

    Master-uppsats, KTH/Skolan för elektroteknik och datavetenskap (EECS)

    Författare :Chengzhuang Zhou; [2021]
    Nyckelord :AUV Antenna; Printed Dipole Antenna; Broadband Antenna; AUV antenna; Printed dipole antenna; Broadband antenna;

    Sammanfattning : The ocean symbolizes mystery, passion, and power. However, most of the ocean, about 80 %, is unknown to humans. AUVs (Autonomous Underwater Vehicles) provide a platform where terrain mapping, the biodiversity, and the resource survey of the ocean become accessible. LÄS MER

  4. 3. Towards Underwater UV Communication- Simulation and Experimentation on Penetration of UV Radiation into Sea water.

    Master-uppsats, Blekinge Tekniska Högskola

    Författare :Subhash Chandra Ranga; [2021]
    Nyckelord :Optical Communication; Underwater communication Underwater communication Optical communication; Underwater communication Acoustic communication; Underwater communication Microwave communication; Visible Light Communication; Refractive Index.;

    Sammanfattning : People around the globe are immensely trying to connect using light as carrier due to its low power consumption and high data transfer rates. Sound and microwaves are examples of other carriers that can be used, although they aren't nearly as efficient as light. A method of communicating is using light beneath the surface of the water. LÄS MER

  5. 4. Underwater probe for deep sea exploration : Long range acoustic underwater communication system

    M1-uppsats, Luleå tekniska universitet/Institutionen för system- och rymdteknik

    Författare :Kim Nykvist; [2020]
    Nyckelord :Acoustic communication; temperature; Expendable Bathythermograph; XBT;

    Sammanfattning : This was a thesis that was commissioned by Researcher Peter Sigray at the Royal Institute of Technology (KTH) in Stockholm and was based on an idea by Professor Thomas Rossby, University of Rhode Island (URI). The idea was to further develop the existing Expendable Bathythermograph (XBT), which has been in use since the 1960s. LÄS MER

  7. 5. Channel Equalization Using Machine Learning for Underwater Acoustic Communications

    Master-uppsats, Linköpings universitet/Kommunikationssystem

    Författare :Martin Allander; [2020]
    Nyckelord :underwater; communications; channel estimation; channel equalization; machine learning;

    Sammanfattning : Wireless underwater acoustic (UWA) communications is a developing field with various applications. The underwater acoustic communication channel is very special and its behavior is environment-dependent. The UWA channel is characterized by low available bandwidth, and severe motion-introduced Doppler effect compared to wireless radio communication. LÄS MER