Arete developed a hyperspectral sensor system for mine detection on invading beaches

2022-01-07 10:18

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Prior to the amphibious attack, the cobra system used hyperspectral sensors on unmanned helicopters to detect obstacles in minefields and surf areas

[military aerospace website reported on October 12, 2020] optoelectronic experts of arete United Company are manufacturing additional hyperspectral UAV sensor payloads to help unmanned helicopters detect and accurately locate enemy mines and obstacles in the beach surfing area, so as to protect the safety of the US Marine Corps during amphibious landing.


Officials from the Panama City division of the U.S. Naval Surface Warfare Center announced a $18 million order for arete to manufacture an / dvs-1 offshore battlefield reconnaissance and analysis (COBRA) block I system.


The sensor system is mounted on the US Navy mq-8 fire reconnaissance unmanned helicopter of Northrop Grumman company, and its detection ability in the surf area is limited. It can detect mines while keeping operators and combatants at a safe distance. The cobra system will be deployed from the coastal combat ship and is an integral part of the ship's lightning countermeasures mission package.


Before amphibious attack, cobra system uses hyperspectral sensors for unmanned aerial tactical reconnaissance to detect and locate minefields and obstacles in wave area and beach area.


Hyperspectral images contain data in a specific wavelength range, and their red, green and blue receivers are used to capture information that cannot be observed by human eyes. It can detect light in 3 ~ 15 spectral bands to help detect invisible mines.

According to arete experts, an / dvs-1 Cobra passive hyperspectral sensor system is used by unmanned helicopters to detect ground minelaying lines and obstacles in the beach area during the day, and has the function of off-board processing.


The payload of Cobra system includes a stable stepping gaze digital gimbal, a high-resolution hyperspectral imaging digital camera with rotating six color filter, a processing unit and a solid-state data storage unit.

The gimbal is about 19 inches long and 11 inches in diameter. Six images are collected in a large area in a step-by-step gaze mode.


Cobra block I system has two airborne payloads, namely, the tactical control system part of post mission analysis station and UAV Ground Control Station, which are used to plan the flight trajectory and monitoring mission of Cobra system mission, and reprogram the flight path if necessary.


Since the 1990s, cobra system has been an advanced technology project of the US Marine Corps. The system adopts progressive development and plans three initial development modules, each of which introduces new or enhanced functions. Cobra blocks II and III are still in the stage of concept improvement and technology development.