Development of a modified time delay spectrometry technique for underwater acoustic measurements in a multipath environment
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Authors
Brekke, Bjoern
Subjects
Time Delay Spectrometry (TDS)
Underwater acoustic propagation
Dynamic Signal Analyzer
Linear frequency modified pulse (LFM pulse)
Underwater acoustic propagation
Dynamic Signal Analyzer
Linear frequency modified pulse (LFM pulse)
Advisors
Wilson, O.B. Jr.
Powers, John P.
Date of Issue
1984-12
Date
December 1984
Publisher
Monterey, California. Naval Postgraduate School
Language
en_US
Abstract
A measurement techniques has been developed which makes possible the determination of the acoustic transmission loss for various paths between a source and a receiver at a relatively short range in the ocean. The method is based upon a technique called Time Delay Spectrometry (TDS). The theory for utilizing TDS to perform measurements on an underwater test range with a homogeneous water column is presented. The experimental parameters concerning test geometry together with criteria for the source signal are discussed and the limitations are described. A computer program written in HP BASIC is the toll in a multipath measurement system where analog sound signals recorded on tape are processed by an HP 3561A Dynamic Signal Analyzer under program control.
Type
Thesis
Description
Series/Report No
Department
Engineering Acoustics Academic Committee
Organization
Naval Postgraduate School (U.S.)
Identifiers
NPS Report Number
Sponsors
Funder
Format
Citation
Distribution Statement
Approved for public release; distribution is unlimited.
Rights
Copyright is reserved by the copyright owner