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Software Defined Sonar ​

Underwater Acoustic DAQ & Signal Processing Board

FPGA + Dual-Core NPU Edge AI Acquisition Platform

This acoustic acquisition and processing board is a modular embedded computing platform combining dual-core CPU, NPU and programmable FPGA. It is designed as the core digital front-end of underwater acoustic systems, responsible for hydrophone array signal collection, waveform preprocessing, DDS signal excitation generation and edge-AI analysis.

The platform supports dual operating systems: Embedded Ubuntu for algorithm development and data logging, and RTOS for low-latency synchronous control. Rich peripheral interfaces and open C/C++ & Python SDK greatly shorten the development cycle for underwater acoustic prototypes and commercial systems. Receiver and transmitter modules can be expanded on demand.

Important Note: This product is a bare circuit board module. It does not include pressure housing, waterproof encapsulation, hydrophones, transducers or power amplifiers. Pressure-resistant housing is available as a separate customization item.

Software Defined Sonar ​-FPGA NPU underwater acoustic signal processing DAQ board

Key Features

Software Defined Sonar ​

Key Features:

  • Dual-core + NPU, supports edge AI
  • 1GB RAM + 16GB storage, expandable
  • Linux & RTOS supported
  • SDK with C/C++ & Python, for rapid prototyping and formal product development
  • Fully modular design, flexible expansion of receiver and transmitter modules
  • Max 10Msps, 16-bit sampling
  • FPGA: 50K / 100K / 200K logic cells optional


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Specifications

Item Specification
CPU Dual‑core + NPU, support edge‑AI computing
Memory & Storage 1GB RAM +16GB eMMC, expandable
FPGA 50K / 100K / 200K logic cells optional
Custom I/O 14‑channel, configurable for IIS, SPI, UART, GPIO
Communication Gigabit Ethernet, WIFI, Bluetooth
Signal Input 32 channels, single‑ended / differential configurable, max 10Msps 16‑bit sampling
DDS Output 0.1‑1MHz analog signal; amplitude 1mV‑3V configurable
Channel Self‑test DDS loop‑back for full signal chain self‑diagnosis
Storage On‑board RTC; TF‑card up to 2TB
Aux Power Low‑ripple low‑noise 12V analog output
Peripherals IIS / PWM power amplifier interface; 5.5‑inch LVDS touch screen
OS Embedded Ubuntu(Linux), RTOS
Power Supply 6‑100VDC
Power Consumption ≤4W
Dimension L150 × W75 × H80 mm
Architecture Fully modular, receiver & transmitter modules expandable
SDK C/C++, Python for prototype & commercial product development

Available Signal Acquisition Modules


  • 1‑channel: 10MHz/16bit, gain 0‑60dB, bandwidth customizable 
  • 4‑channel: 4MHz/16bit, gain 0‑60dB, bandwidth customizable 
  • 4‑channel: 512kHz/24bit, gain 0‑60dB, bandwidth customizable 
  • 8‑channel: 2MHz/16bit, gain 0‑60dB, bandwidth customizable, stackable up to 32‑ch 
  • 32‑channel: 10‑80MHz/14bit, gain 15/18/21dB, IQ data output supported

Power Amplifier Modules  


  • 10Hz‑40KHz IIS digital power amplifier 
    max 300W@4Ω, impedance matching customizable 
  • 40KHz‑1MHz PWM power amplifier 
     max 100W, impedance matching customizable 
  • 40KHz‑1MHz PWM power amplifier 
    max 2000W, impedance matching customizable ​

Typical Applications


  • Passive Sonar & Hydrophone Array  ​Array signal acquisition, underwater target detection and acoustic signature recording.
  • Underwater Acoustic Modem Baseband  ​Pair with UAM series acoustic modem for baseband signal processing and algorithm iteration.
  • AUV / ROV Payload  Lightweight acoustic sensing unit for autonomous underwater vehicles.
  • Seabed Buoy & Mooring Station  ​Long-term underwater ambient noise monitoring and marine environment observation.
  • Laboratory Acoustic Research Platform  ​Algorithm verification, water tank experiment and underwater acoustic teaching research.
  • DVL & ADCP Auxiliary Calibration  Acoustic signal acquisition and auxiliary calibration for velocity profilers.



 

Documents


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