Split Beam Transducer: Target Angle Estimation

BII7550 Series Split Beam Transducer: Target Angle Estimation

BII's Four-quadrant split beam transducers are designed to estimate bearing and locate underwater targets, and support phase extraction or amplitude comparison methods to measure the bearing of the sound sources. That which method is used depends on the signal processing in software/electronic hardware and the signal properties.
Transmit: 4 sectors are wired together in parallel to transmit sounds underwater.
Receive: 4 sectors receive sounds underwater individually as a four quadrants receiver, or 4 sectors are wired together to receive sounds underwater as a single beam receiver.

Technical Notes

The quadrant array is separately beam formed. The signals from the direction (Ψ, Φ) will result in the phase contributions to the single-frequency directivity patterns functions of the array. With signal processing technologies, the spatial angle (Ψ, Φ), which can be computed quantitatively, indicates the target direction.

Typical Applications
Direction-finding Sonar	Underwater Positioning
Measurement of Bearing	Tracking Moving Target
sea-floor mapping	Fishery sounders,
Split-Aperture Correlator	Marine Life Assessment
Related Products
BII5000 Power Amplifier	BII6000 Impedance Matching

Specification

Split Beam Transducer:	BII7550 Datasheet
Information:	Acoustic Components and System: Installation/Mounting, Ordering, Wiring, Array & Aperture Design and much more.

Array Position/Orientation

               

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