3-D converted shear wave rotation with layer stripping

3-D forward looking sonar with fixed frame of reference for...

3-D mapping of salt domes

3-D multiple attenuation

3-D sonar image display

3-D TAU-P interpolation

3D wave equation migration of a 2D grid of seismic data

Aberration correction using beam data from a phased array ultras

Above and below water sound transducer

Absolute calibration technique for broadband ultrasonic transduc

Absorbent passive acoustic antenna

Absorptive sonar baffle

Acceleration sensor

Accelerometer for blast monitoring

Accelerometer sensor noise reduction method and means

Accelerometer sensor noise reduction method and means

Access alarming method and apparatus for working vehicle

Acoustic absorption and damping material with piezoelectric ener

Acoustic absorption or damping material with integral viscous da

Acoustic airport surveillance system