Side looking sonar beam forming utilizing the chirp Z-transform
Side scan sonar imaging system with associated GPS data
Side scan sonar with synthetic antenna
Side-looking fish finder
Side-looking sonar apparatus
Side-scanning sonar towfish
Signal processing method and apparatus, and sonar systems
Signal processing system and technique for calculating roll bias
Signal processor for elimination of sidelobe responses and gener
Signal processor for narrow band sonar signals
Signalling method and apparatus for enhancing echo images
Simplicity sonic depth finder for fishing
Simplified sector scan ultrasonic imaging system
Simultaneous coherent and incoherent processor for sonar signals
Single-transmit, dual-receive sonar
Sludge topography measurement in oil tanks
Soft-bodied, towable, active acoustic module
Sonar
Sonar apparatus
Sonar apparatus