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    Multiple convergence zone acoustic telemetry feasibility test report

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    WHOI-91-38.pdf (5.368Mb)
    Date
    1991-11
    Author
    Catipovic, Josko A.  Concept link
    von der Heydt, Keith  Concept link
    Merriam, John Stevens  Concept link
    Sandsmark, Geir Helge  Concept link
    Metadata
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    Citable URI
    https://hdl.handle.net/1912/959
    Location
    California
    DOI
    10.1575/1912/959
    Keyword
     Acoustic communication; Acoustic fluxuation; Underwater modem; Willam McGaw (Ship) Cruise; Point Sur (Ship) Cruise 
    Abstract
    This report describes a multiple CZ acoustic telemetry experiment conducted off the coast of California 1/28/90-2/2/90. The goal was to design a maximally robust high speed underwater modem suitable for data telemetry for submerged platforms and moorings. Six modulation methods were used to transmit data at rates from 1 to 1000 baud corresponding to bit rates up to 3kbit/sec. In addition, a large number of channel probe sequences was transmitted in order to estimate channel multipath, fluctuation dynamics and spatial diversity characteristics relevant to acoustic data telemetry. The data was transmitted from a 1 kHz source suspended from the R/V McGaw, and received on a multichannel vertical array tended by the RV Point Sur. The multichannel data was digitally recorded using floating-point digitizers and stored on optical disk for further processing. Approximate transmission ranges were 70, 140, 200 and 250km. Approximtely 8 hrs of transmission were recorded at each data range.
    Collections
    • WHOI Technical Reports
    • Applied Ocean Physics and Engineering (AOP&E)
    Suggested Citation
    Technical Report: Catipovic, Josko A., von der Heydt, Keith, Merriam, John Stevens, Sandsmark, Geir Helge, "Multiple convergence zone acoustic telemetry feasibility test report", 1991-11, DOI:10.1575/1912/959, https://hdl.handle.net/1912/959
     

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