Defense Solutions

Underwater Acoustic and Naval Test Systems

Validate naval acoustic systems across sonar calibration and target simulation, passive acoustic surveillance, multi-influence signature characterization, and defense electronics test automation.

From harbor-side sonar calibration through acoustic intelligence analysis and operator training, TECOTEC’s defense solutions help you raise your chance of mission success by knowing how your systems will perform in operational water — engineered, commissioned, and supported in-region.

Our Expertise

Shallow-water environment Specialists

T3's signal processing capability is engineered specifically for the East Asia Sea continental shelf. Field-validated against real VAS corroborated targets, this capability anchors T3's sovereign underwater domain awareness platform.

Custom Test Software Development

T3 develops VAAS and the T3 Automation Suite in-house — not configured from third-party platforms. Your programme gets software built to your sensor architecture, signal format, and security environment, with no commercial licensing dependencies or generic workflows to work around.

Standardization Across Deployments

A T3 system deployed on one vessel standardizes the hardware, calibration, and software configuration for your entire fleet. Every subsequent deployment inherits the same validated baseline — reducing integration time, retraining burden, and technical risk across platforms.

Test Capabilities

  • Sonar calibration and active target simulation
  • Passive underwater acoustic surveillance and analysis
  • Multi-influence signature testing — acoustic, magnetic, and pressure
  • Automated test and measurement software for defense electronics labs
  • Algorithm development and acoustic modem research support
  • Underwater transceiver calibration and communication testbed
  • Hydrophone and projector sensitivity characterization
  • Echosounder and current velocity calibration
  • RF transceiver module testing up to 26.5 GHz
  • VSAT ground station simulation and validation

Solutions

Application: A passive acoustic surveillance platform requires real-time multi-channel hydroacoustic processing during extended patrol operations and post-mission intelligence replay.

Key System Capabilities: 

  • Configurable beamforming: 32, 64, or 128 beams, 3° angular resolution
  • Bearing-Time Record (BTR) display: symmetrical waterfall, –180° to +180°
  • DEMON analysis: up to 200 Hz, 0.25 Hz resolution
  • Spectrogram and Lofargram frequency-over-time visualization
  • Operator training module: recorded and synthetic acoustic datasets
  • Windows-based modular architecture; compatible with legacy naval command infrastructure

Application: A field-deployable sonar calibration and target simulation system operating hull-mounted and towed-array sonar, requiring in-field performance verification without shore-based infrastructure or live submarine access.

Key Test System Capabilities: 

  • Acoustic frequency range: 300 Hz – 50 kHz
  • Doppler simulation: ±60 knots, 2-knot resolution
  • Maximum output level: 185 dB re 1 µPa @ 27 kHz
  • Signal modes: active repeater, passive noise, WAV / Sine / AM / FM playback
  • Calibration modes: SPL and sensitivity, built-in M36 hydrophone
  • Transducer depth rating: 200 m; field deployment kit included (250 m cable, winch)

Application: An automated acceptance test platform for testing avionics and communications equipment, requiring unified instrument control across heterogeneous hardware within a single auditable software environment.

Key Test System Capabilities: 

  • Multi-vendor instrument integration via unified driver library
  • Automated test sequence execution with full procedure audit trail
  • Results logged to structured database; configurable report output
  • Modular architecture: new instruments added without procedure rewrites

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