Custom Self-contained Underwater Sound Recorder Hydrophone for Ocean Deployments

    Custom Self-contained Underwater Sound Recorder Hydrophone for Ocean Deployments

1. Function

1) Real-time data collection and real-time storage in the built-in SD card.

2) Real-time data collection and simple data analysis, data screening and early warning.

3) Built-in 100M network card connected to the surface WIFI or satellite communication module through a cable to transmit real-time data or early warning information back to the control room.

4) Underwater acoustic modem (only receiving function)

5) Underwater noise classification based on convolutional neural network.

2. Hardware parameters

1) MCU control module. Built-in 100M network card, large-capacity SD card, serial port, digital interface, gain control module, power management module, etc.

2) Front-end signal conditioner. The amplification gain can reach 1600 times and can be dynamically adjusted by the MCU.

3) Dedicated ADC chip. Sampling rate 32kSPS, 64kSPS, 128kSPS and 256kSPS. Quantization bit 24 bits.

4) Broadband self-contained hydrophone. Bandwidth 20 Hz-200 kHz.

 

 

3.Size parameters

1) Inner diameter: 60 mm

2) Outer diameter: 80 mm

3) Height: optional according to battery capacity.

4) Battery capacity: rechargeable lithium battery, capacity can be customized.

4. Working mode

1) Continuous working mode.

2) Intermittent working mode. Intermittent duration and working duration can be set by the host computer.