Near-Field Calibration of Underwater Electroacoustic Transducers

Near-Field Calibration of Underwater Electroacoustic Transducers
Title Near-Field Calibration of Underwater Electroacoustic Transducers PDF eBook
Author Robert D. Marciniak
Publisher
Pages 128
Release 1975
Genre
ISBN

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A near-field acoustic measurement technique which provides the basis for accurately computing the far-field radiation characteristics of underwater sound transducers is developed, implemented and evaluated. The analysis is based on evaluating a form of the Helmholtz integral which utilizes a Green's function with particular boundary conditions for the solution. That is, the Green's function vanishes over the surface of integration, thereby requiring only knowledge of the near-field acoustic pressure for computing the far-field radiation. An experimental program is conducted to provide corroboration of the near-field technique. Design and construction details of the completely automated near-field measurement system, including the near-field acoustic sensors, the pulsed Amplitude-Phase electronic measurement system, and the Digital Scanner System are presented. Appropriate supporting software, in the form of a digital computer program, is provided for performing the data preparation and final far-field computations. Results of conventional far-field acoustic measurements at various frequencies on four different types of test transducers are presented.

Underwater Electroacoustic Measurements

Underwater Electroacoustic Measurements
Title Underwater Electroacoustic Measurements PDF eBook
Author Robert J. Bobber
Publisher
Pages 354
Release 1970
Genre Electro-acoustics
ISBN

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Underwater Electroacoustic Measurements

Underwater Electroacoustic Measurements
Title Underwater Electroacoustic Measurements PDF eBook
Author Robert J. Bobber
Publisher
Pages 346
Release 1970
Genre Electro-acoustics
ISBN

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Proceedings of theInternational conference on SonarSensors of Systems, Vol. 2

Proceedings of theInternational conference on SonarSensors of Systems, Vol. 2
Title Proceedings of theInternational conference on SonarSensors of Systems, Vol. 2 PDF eBook
Author
Publisher Allied Publishers
Pages 620
Release 2002
Genre Detectors
ISBN 9788177643824

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Underwater Electroacoustic Measurements

Underwater Electroacoustic Measurements
Title Underwater Electroacoustic Measurements PDF eBook
Author Robert J. Bobber
Publisher Peninsula Pub
Pages 333
Release 1989-12-01
Genre Electro-acoustics
ISBN 9780932146199

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Scattering-matrix Description and Near-field Measurements of Electroacoustic Transducers

Scattering-matrix Description and Near-field Measurements of Electroacoustic Transducers
Title Scattering-matrix Description and Near-field Measurements of Electroacoustic Transducers PDF eBook
Author David Marlow Kerns
Publisher
Pages 48
Release 1974
Genre Electroacoustic transducers
ISBN

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Transducers and Arrays for Underwater Sound

Transducers and Arrays for Underwater Sound
Title Transducers and Arrays for Underwater Sound PDF eBook
Author Charles Sherman
Publisher Springer Science & Business Media
Pages 610
Release 2007-01-05
Genre Technology & Engineering
ISBN 0387331395

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The most comprehensive book on electroacoustic transducers and arrays for underwater sound Includes transducer modeling techniques and transducer designs that are currently in use Includes discussion and analysis of array interaction and nonlinear effects in transducers Contains extensive data in figures and tables needed in transducer and array design Written at a level that will be useful to students as well as to practicing engineers and scientists