Low Frequency Projectors for Sound Under Water (Laagfrequente Projectoren voor Geluid Onder Water)
Abstract:
There is a need for active sonar transducers that produce sound at frequencies below e.g. 1000 Hz. This report presents several kinds of low frequency transducers which work on different principles and are commercially available.
Security Markings
DOCUMENT & CONTEXTUAL SUMMARY
Distribution:
Approved For Public Release
Distribution Statement:
Approved For Public Release; Distribution Is Unlimited.
RECORD
Collection: TR