Open Architecture
Windows/Linux/RTOS support; Gigabit Ethernet interface; 16-channel array expandable to 64 channels; 16-bit ADC expandable to 24-bit
UROAS Underwater Acoustic Surveillance & Calibration
Systems designed to function as reliable stand-alone solutions,
or seamlessly integrate into larger architectures - supporting multiple missions.
Data Driven Acoustic Technology
We understand the diverse demands of real-world maritime operations. That's why our systems are designed to function as reliable stand-alone solutions, or seamlessly integrate into larger architectures.
Proven Across Southeast Asia Sea
Deployed and used by Vietnamese Navy
Lower Ownership Costs
Through the use of COTS hardware
Shallow-water Environment
Positioned for coastal and shallow SEA operating conditions
Mission Workflow
From underwater signal acquisition to analysis, simulation, testing, and calibration - a unified workflow for mission-ready acoustic operations
Validate sonar systems under realistic sea conditions, measuring noise, reverberation, Doppler effects, and detection performance against mission criteria.
Integrated Solutions for Underwater Acoustic Operations
UROAS product line brings together synchronized sonar, calibration, and test & measurement into one mission-ready system for underwater operations. Designed for shallow, tropical, and complex underwater environments, these modular, scalable solutions support the full workflow from signal capture and visualization to performance validation and traceable calibration, enabling navies, research labs, and engineering teams to turn raw underwater acoustics into reliable operational insight.
Underwater Acoustic Recorder and Post Analysis System
- Integrated multi-channel system: 8 receiving channels, 6 transmitting channels
- Equipped with a reference signal generator for calibration
- Modular hardware mounted in two racks (Master and Slave) with I/O interfaces
- Laptop-operated control for calibration procedures, display, and data logging
- TM06SW software features:
- Graphical user interface (GUI)
- Configuration of transmit/receive parameters
- Signal data saving in *.dat format
- FFT spectral analysis and time frequency visualization
- Result reporting and graph export
Acoustic Analysis and Post-processing Software (VAAS)
- Perform real-time and post-processing analysis for passive surveillance and mission replay
- Configurable beamforming with 32, 64, or 1024 beams and 3° angular resolution
- Display Bearing-Time Records (BTR) with symmetrical waterfall plots (–180° to +180°)
- Provide spectrograms and Lofargrams for frequency-over-time visualization
- Support DEMON (Detection of Envelope Modulation on Noise) analysis up to 200 Hz with 0.25 Hz resolution
- Built-in background noise suppression for cluttered environments
- Enable beam pattern modeling and 3D visualization for acoustic array optimization
- Integrated cursor tools (delta, harmonic, velocity) for precision measurements
- Structured signal database for archiving, retrieval, and long-term analysis
- Training and simulation modes with recorded or synthetic datasets for operator skill development
- Modular, Windows-based architecture, compatible with legacy and modern systems
LF-500
- Emulate target movement with Doppler shift, up to ±30 knots.
- Transmits from 300 Hz to 50 kHz; receives from 300 Hz to 80 kHz.
- Creates Sine, AM, and FM sonar pulse types.
- Operates down to 200 meters via a 250-meter cable and winch.
- Provides GPS for geo-referenced data and outputs audio in .wav format.
- Includes ray-tracing and broadband shallow water simulations.
- Determines Probability of Detection (PoD) and minimum detection range.
- Compares simulations to real-world measurements for performance validation.
- Uses buoy-based sensors for continuous environmental data.
- Features 16 channels at 512 ksps each.
- Supports VHF, cellular, wired, and underwater modem links.
- Calibrated with seabed geoacoustic signals, supports low/medium frequency sonar (150 Hz - 60 kHz).
Hydrophone Transducer Testing System
- Integrated hardware platform
- Workflow-centric customization
- Modular system architecture
- Automation-enabled measurements
- Comparative, reciprocal, impedance & capacitance analysis
- Compatible with existing lab setups
- Reduced training time & operational complexity
- Precision-tested reference transducers included
- Scalable for future upgrades
Underwater Transceiver Testbed
- Operate in two modes: Hydrophone Calibration and Communication Testbed
- Calibrate hydrophones using Reciprocity principle from 10 kHz to 100 kHz with up to 1000 tone-burst frequency points
- Execute test workflows via user-defined procedures with step sequencing and logic controls
- Control transmit/receive chains with configurable frequency, amplitude, waveform, and phase parameters
- Generate signals using digital and analog modulation schemes: QAM, FSK, AM, FM
- Record acoustic data in real time with channel selection and level monitoring
- Analyze signals using built-in tools: spectrogram, FFT, and A-scan visualization
- Convert data across formats: .wav, .txt, .dat, .bin for flexible I/O processing
- Log results to structured SQL database and export reports automatically
- Integrate with industry-standard hardware: E&I 2100L, Krohn-Hite M7500, Etec B2204RC
- Run on Windows with NI LabVIEW Runtime, DAQmx, and Modulation Toolkit dependencies
Sonar Calibration System
- Transmit wideband acoustic from 300 Hz and 50 kHz
- Simulate a realistic sonar target using adjustable time delay, Doppler shift, and multi-echo target highlights.
- Support active repeater, passive noise, custom signal playback modes, and signal types.
- Process high-precision signal integrated 16-bit A/D and D/A converters, and DSP filters.
- Measures sound pressure levels and underwater acoustic signals using a built-in M36 hydrophone with a preamplifier.
- SPL Calibration and Sensitivity Calibration modes.
- Rugged, Submersible Transducer Unit comprises 1 bender and 2 spheres, operable at depths up to 200 meters.
- Controls all functions through a user-friendly GUI with real-time analysis and GPS integration.
- Field-Ready Deployment Package includes 250m cable, winch, and pressure compensation tank (optional) for deep-water operations.
- Provide hull-mounted sonar (HMS), embedded sonar, and towed array sonar to calibrate sonar system performance.
Product Capability Matrix
Each system integrates seamlessly across multiple mission profiles.
| Mission / Function | UARP-S | VAAS | LF-500 | Hydrophone Testing System | Underwater Transceiver Testbed | Sonar Calibration System |
|---|---|---|---|---|---|---|
| Surveillance & Monitoring | Yes | Yes | ||||
| Signal Analysis & Training | Yes | Yes | ||||
| Sonar Testing & Measurement | Yes | Yes | Yes | |||
| Hydrophone / Transducer Calibration | Yes | Yes | Yes | Yes | ||
| R&D / Lab Integration | Yes | Yes | Yes | Yes | Yes | |
| Post-mission Data Processing | Yes | Yes | Yes | Yes |
Control, Customization and Freedom to Adapt.
Regional sonar specialists committed to open architecture, empowering customers with full control, customization, and freedom to adapt.
Seamless integration
Works as stand-alone systems or integrates into larger architectures when needed.
Legacy to future
Designed to support legacy systems, existing platforms, and future-generation environments.
Scalable performance
Open architecture gives clients full control, customization, and freedom to adapt.