Fish sonar
Frequency activated direction indicator
Fusing contact data for best-estimate solution
Goniotelemetry system
Ground threat location for an aircraft
Harmonic ambiguity resolver and inter array harmonic tracker
Headtracking system
Hydroacoustic ranging system
Hydroacoustic ranging system
Hydrophone for determining direction of underwater sound
Inclination angle measurement apparatus
Integrated passive acoustic and active marine aquatic apparatus
Inverse beamforming sonar system and method
Leak locating microphone, method and system for locating fluid l
Level detector for solids
Locating signal sources under suppression of noise
Matched-lag filter for detection and communication
Measurement system using sonic and ultrasonic waves
Method and apparatus for acoustic emission monitoring
Method and apparatus for acoustic source tracking using a...