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Horizon scanning is "the systematic examination of potential threats, opportunities and likely future developments which are at the margins of current thinking and planning’ and, continuing, horizon scanning ‘may explore novel and unexpected issues, as well as persistent problems or trends."
Horizon 3 (H3) is the envisioned desired future that is aligned to the changing environment. [1] Horizon 2 (H2) is a turbulent intermediate space of innovations , some of which are 'captured' by H1, prop it up and extend its lifespan (so-called 'H2-' innovations), and some of which are genuinely disruptive and create space for a radically ...
A horizon sensor is an optical instrument that detects light from the 'limb' of Earth's atmosphere, i.e., at the horizon. Thermal infrared sensing is often used, which senses the comparative warmth of the atmosphere, compared to the much colder cosmic background. This sensor provides orientation with respect to Earth about two orthogonal axes.
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Radar proximity fuzes are attached to anti-aircraft artillery shells or other explosive devices, and detonate the device when it approaches a large object. They use a small rapidly pulsing omnidirectional radar, usually with a powerful battery that has a long storage life, and a very short operational life.
Sensory Aid Device for visually impaired individuals to navigate their environments. Device sent out pulses of light which, when reflected off of objects around the user, would give the user an auditory cue [159] AN/PVQ-31: Advanced Combat Optical Gunsight (ACOG) U.S. Marine Corps, U.S. Army [169] Trijicon
MADRE over-the-horizon radar at the NRL's Chesapeake Bay Detachment U.S. Navy Relocatable Over-the-Horizon Radar station. The most common type of OTH radar, OTH-B (backscatter), [3] uses skywave or "skip" propagation, in which shortwave radio waves are refracted off an ionized layer in the atmosphere, the ionosphere, and return to Earth some distance away.
Horizon scanning may refer to: Literally horizon scanning performed by technical devices like infrared horizon-scanning; Horizon scanning, a method from futures studies; Horizon scanning, a former alternative name for environmental scanning