20kHz~30kHz Collocated Multi-element Underwater Acoustic Transceiver Array

20kHz~30kHz Collocated Multi-element Underwater Acoustic Transceiver Array

Technical Parameters：

1. Receiving Performance of Array

Operating frequency range: 20 kHz – 30 kHz;

Beam angle (transmit/receive): Horizontal omnidirectional; vertical directivity ≥ ±60°;

Receiving sensitivity: ≥ -205 dB (in-band fluctuation ≤ -3 dB);

Receive transducer channel consistency: Fluctuation ≤ -3 dB.

2. Transmit Transducer Performance

Operating frequency range: 18 kHz – 25 kHz;

Transmit voltage response: ≥ 135 dB.

3. Environmental Adaptability

Supports operation at a speed of 9 knots;

Designed pressure rating: 4.5 MPa;