Modal processing for acoustic communications in shallow water experiment | Zendy

Andrey K. Morozov | Zendy; James C. Preisig | Zendy; Joseph C. Papp | Zendy

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Modal processing for acoustic communications in shallow water experiment

Author(s) -

Andrey K. Morozov,

James C. Preisig,

Joseph C. Papp

Publication year - 2008

Publication title -

the journal of the acoustical society of america

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.619

H-Index - 187

eISSN - 1520-8524

pISSN - 0001-4966

DOI - 10.1121/1.2960954

Subject(s) - acoustics , broadband , waves and shallow water , channel (broadcasting) , energy (signal processing) , phase shift keying , signal (programming language) , modal , signal processing , computer science , telecommunications , bit error rate , physics , materials science , quantum mechanics , polymer chemistry , thermodynamics , programming language , radar

Acoustical array data from the Shallow Water Acoustics experiment was processed to show the feasibility of broadband mode decomposition as a preprocessing method to reduce the effective channel delay spread and concentrate received signal energy in a small number of independent channels. The data were collected by a vertical array designed at the Woods Hole Oceanographic Institution. Phase-shift Keying (PSK) m-sequence modulated signals with different carrier frequencies were transmitted at a distance 19.2 km from the array. Even during a strong internal waves activity a low bit error rate was achieved.

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