Acoustic Calibration Tests of the 219 Projector.

Heard, Garry; Rowsome, Mark; Chapman, Ross; Miller, Terry

Acoustic Calibration Tests of the 219 Projector.

1997

Heard, Garry | Rowsome, Mark | Chapman, Ross | Miller, Terry

This report is intended to serve as an introduction to the 219 Moving Coil Projector and presents the measured response curves for the frequency range 50 - 200 Hz. Two different coil assemblies were tested and the measured response curves for both units are presented. Calibration of the projector's pressure sensor is also included to allow for accurate tow-depth determination. The projector's harmonic distortion was measured and its effect on a broadband signal presented. Finally, typical towing characteristics (tow-angle, tow-depth, and cable scope) are summarized for a nominal tow-speed of 3.5 knots.

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Mots clés AGROVOC

acoustic data acoustic measurement calibration canada hydrophones monitoring sonar transducers

Informations bibliographiques

D'autres materias

*underwater acoustics; Acoustic detectors; Frequency response; Foreign reports; Acoustic detection and detectors; *sonar projectors; Test and evaluation; Underwater sound signals.; Acoustic emissions

Langue

anglais

Licence

http://handle.dtic.mil/100.2/ADA313339APPROVED FOR PUBLIC RELEASE

Source

DEFENCE RESEARCH ESTABLISHMENT ATLANTIC DARTMOUTH (NOVA SCOTIA)DTIC AND NTIS

Auteur institutionnelle

DEFENCE RESEARCH ESTABLISHMENT ATLANTIC DARTMOUTH (NOVA SCOTIA)

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Acoustic Calibration Tests of the 219 Projector.

1997

Mots clés AGROVOC

Informations bibliographiques