Acoustic airport surveillance system
Acoustic alert sensor
Acoustic fence
Acoustic fence
Acoustic wide area air surveillance system
Alerting process
Boom event analyzer recorder
Electrical firing circuit
Environmental interference detection device
Firearm discharge detection device and warning system
Harbor approach-defense embedded system
Harbor fence
Intruder alarm system
Light vehicle range discriminator
Manatee vocalization detection method and system
Marine acoustic aerobuoy and method of operation
Method and apparatus for processing signals to extract narrow ba
Moving sound source identifying system
Moving vehicle seismic target detector
Production of directionally limited acoustic power spectra