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planning, COLREGs-compliant obstacle avoidance), control (actuator commands), and mission supervision (fault handling). Digital twins are commonly used for pre-deployment testing.Compute stackGPU-class edge AI modules for perception, a CPU for mission/control logic, optional FPGAs for real-time signal processing, all packaged in rugged, low-power, redundant hardware.Payload systemsMission-specific gear (sonar variants, cameras, environmental sensors, magnetometers, sub-bottom profilers, etc.) or defense payloads (surveillance, mine countermeasures, strike, etc.).Safety Lights/AIS, fail-safe return-to-h
Kongsberg Completes Sonatech Acquisition
undersea acoustics engineering and manufacturing company with more than 50 years of experience and a long history as a key technology supplier to the US Navy.Kongsberg’s expertise spans acoustic sensors, advanced navigation and positioning technology, autonomous systems and advanced signal processing. Its autonomous underwater solutions include the HUGIN family of autonomous underwater vehicles (AUV). It enables covert seabed intelligence gathering and can carry customized payloads for different mission profiles.Modern unmanned underwater and surface vehicles equipped with advanced sonar
NEC to Establish Underwater Acoustic Platform Model
light and radio waves barely penetrate the water, the use of sound waves is an effective method for a wide range of observations and recognition tasks.Underwater sound waves are captured as underwater acoustic data using sonar and hydrophones, and are analyzed by skilled experts who employ advanced signal processing techniques and expertise. However, analyzing such vast amounts of data requires a great deal of time and concentration, and there are limitations to the level of accuracy that can be achieved.While the development of language foundation models is advancing worldwide, few general-purpose foundation
Australian Quantum Sensor Company Raises Seed Funding
from passing trains. These tests are helping guide the next stage of robustness and systems engineering.Magnetic interference is a challenge for any magnetic sensing system, but Rabeau says that one advantage of his chip-scale approach is that it enables compact sensor arrays. Arrays allow signal processing techniques that can help characterise background magnetic effects from the host platform while improving sensitivity to external signals.“Our long-term vision is not just individual sensors, but networks of sensors operating together. Reducing the size and power requirements of quantum
Intruder Alert: Ports Face a Range of Underwater Threats
the intruder detection system (IDS), which uses high-frequency active sonar to detect the presence of divers, SDVs, and increasingly small UUVs. Products such as the Forcys Sentinel, AquaShield from DSIT Solutions, and Norbit’s GuardPoint offer integrated solutions that combine sonar sensors, signal processing software, command-and-control interfaces, and even underwater loudhailers.These systems are typically arranged as networks of sonar nodes positioned along harbor entrances, piers, and critical infrastructure. Each sonar head scans a defined sector of the underwater environment, with overlapping
iBULe Photonics Unveils First 3rd-Generation Single Crystal Submarine Hydrophone
in underwater detection capability. By harnessing the enhanced properties of third-generation single crystal materials, the hydrophone delivers 9 dB greater sensitivity compared with conventional ceramic PZT hydrophones. This improved performance enables longer detection ranges and clearer signal processing, particularly in complex and noisy undersea environments.Designed for next-generation naval sensing systems and advanced ocean monitoring applications, the technology supports improved situational awareness and more precise acoustic detection for submarines and underwater platforms.During the
Teledyne Marine RESON Celebrates 50 Years
and naval vessels.A notable moment in RESON’s technological journey was its role in commercializing modern sonar technology, making multibeam sonar systems more compact, practical and accessible to surveyors worldwide. RESON also set early benchmarks in data quality through the adoption of advanced signal-processing techniques to enhance detection capability, maximize data accuracy and elevate seabed imaging clarity. RESON hydrophones are used in demanding commercial and defense applications, with many units still in active service more than three decades after installation.A hallmark of RESON is
Underwater Infrastructure Security Project Launched in Norway
, have clearly exposed the limitations of today’s largely ad-hoc and spatially limited monitoring approaches.INSURE will address this challenge by developing a cost-effective, long-range, and continuous monitoring solution based on Distributed Acoustic Sensing (DAS), combined with advanced signal processing, machine learning, and multi-source data fusion. By transforming existing fiber-optic cables into real-time sensing systems and analyzing underwater acoustic intelligence with vessel tracking data, INSURE enables early threat detection, precise geo-localisation, and predictive risk assessment
Vatn Systems Acquires Crewless Marine
Vatn Systems, a defense technology company building autonomous underwater vehicles (AUVs) for the US military, allied nations, and commercial customers, announced the acquisition of Crewless Marine, a Rhode Island-based company specializing in advanced underwater acoustic sensing and signal processing.Founded by former Navy engineers, Crewless Marine brings experience in torpedo acoustic systems, hydrophone manufacturing, and real-time signal processing. The acquisition strengthens Vatn's strategy to vertically integrate its tech stack to control critical technologies, reduce supply
August 2026
