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Guidance at low altitude uses a laser altimeter to approach at 30 m to minimize the effects of electronic warfare to jam GPS navigation until very close to the target. At high altitudes of 3,000 m, it navigates with a visual positioning system using roads and other visible landmarks.
Sensors usually include, in addition, one or more compass, altimeter (barometric) and GPS, along with optional additional sensors such as optical flow sensors, airspeed indicators, laser or sonar altimeters or rangefinders, monocular, stereoscopic or RGB-D cameras. Sensors may be on the same electronic board, or external.
The dipole antenna of a radar altimeter of 1947. A radar altimeter (RA), also called a radio altimeter (RALT), electronic altimeter, reflection altimeter, or low-range radio altimeter (LRRA), measures altitude above the terrain presently beneath an aircraft or spacecraft by timing how long it takes a beam of radio waves to travel to ground, reflect, and return to the craft.
In May 2005, a two-way distance record for communication was set by the Mercury laser altimeter instrument aboard the MESSENGER spacecraft. This diode-pumped infrared neodymium laser , designed as a laser altimeter for a Mercury orbit mission, was able to communicate across a distance of 24,000,000 km (15,000,000 mi), as the craft neared Earth ...
The High Energy Laser with Integrated Optical-dazzler and Surveillance (HELIOS) is a Lockheed Martin-developed 300 kilowatt high-energy laser weapon designed to intercept combat drones, fast-attack craft, and missiles. [1] After winning the contract in 2018, the first announced installation was on the USS Preble (DDG-88) in 2019. [2]
The Tactical Robotics Cormorant, formerly AirMule or Mule, Israel Defense Forces (IDF) codename Pereira (shapiyriyt; שפירית Shafririt: Dragonfly), [1] is a flying car unmanned aerial vehicle (UAV) built by Tactical Robotics Ltd., a subsidiary of designer Rafi Yoeli's Urban Aeronautics Ltd., in Yavne, Israel. [2]
As of 2013, studies were underway to apply the lessons of the YAL-1 by mounting laser anti-missile defenses on unmanned combat aerial vehicles that could fly above the altitude limits of the converted jetliner. [27] By 2015, the Missile Defense Agency had started efforts to deploy a laser on a high-altitude UAV. Rather than a manned jetliner ...
On 1 July 2022, the Bayraktar AKINCI carried out a test firing with the LGK-82 (Laser Guidance Kit), developed by ASELSAN, Flying with an altitude of 30 thousand feet, the target was laser-marked by Bayraktar TB2 SİHA, The LGK-82 was Launched from UAV for the first time. [51] On 3 August 2022, three units were delivered to the Turkish Air ...