Acoustic absorption and damping material with piezoelectric ener

Acoustic absorption or damping material with integral viscous da

Acoustic and vibration attenuation composite material

Acoustic attenuation and vibration damping materials

Acoustic decoy

Acoustic jammer and torpedo decoy

Acoustic protection material and apparatus including such materi

Acoustic sensing countermeasure device and method of...

Anechoic and decoupling coating

Apparatus and method for producing inverse bubbles

Apparatus for producing gaseous vapor baffle

Apparatuses and methods for sound absorption using hollow beads

Array plate apparatus having tunable isolation characteristics

Artificial underwater target