acceleration cancelling hydrophone
pressure-difference vector hydrophone
pressure sensitive hydrophone
Pressure gradient hydrophone
piezoelectric transducer hydrophone
piezoelectric hydrophone
Particle velocity hydrophone
Optical fiber hydrophone
Pressure-gradient vector hydrophone
omnidirectional hydrophone
oil capsule-type hydrophone
ocean bottom hydrophone instrument
Neritic Hydrophone Signal
multimode spherical hydrophone
multimode optical fiber hydrophone