infrared target
61Northrop Grumman RQ-4 Global Hawk — RQ 4/MQ 4 Global Hawk Role Surveillance UAV National origin …
62AIM-120 AMRAAM — An AIM 120 AMRAAM mounted on the wingtip station of a General Dynamics F 16 Fighting Falcon Type Medium range, active radar homing air to air missile …
63Laser — For other uses, see Laser (disambiguation). United States Air Force laser experiment …
64Strategic Defense Initiative — Organization SDIO Agency overview Formed 1984 Dissolved 1993 (renamed) Superseding a …
65Greenhouse gas — Simple diagram of greenhouse effect. A greenhouse gas (sometimes abbreviated GHG) is a gas in an atmosphere that absorbs and emits radiation within the thermal infrared range. This process is the fundamental cause of the greenhouse effect.[1] …
66Stealth aircraft — are aircraft that use stealth technology to make it harder to be detected by radar and other means than conventional aircraft by employing a combination of features to reduce visibility in the visual, audio, infrared and radio frequency (RF)… …
67Normalized Difference Vegetation Index — Negative values of NDVI (values approaching 1) correspond to water. Values close to zero ( 0.1 to 0.1) generally correspond to barren areas of rock, sand, or snow. Lastly, low, positive values represent shrub and grassland (approximately 0.2 to 0 …
68Minimum resolvable temperature difference — (MRTD) is a measure for assessing the performance of infrared cameras, and is inversely proportional to the modulation transfer function. Typically, an operator is asked to assess the minimum temperature difference at which a 4 bar target can be… …
69Field of view (image processing) — The field of view of an imaging sensor or imaging system is defined as the maximum vertical and horizontal angular extent viewed by the sensor or system. Optical tests for measuring the FOV are versatile tests capable of measuring the FOV of UV,… …
70Laser applications — There are many scientific, military, medical and commercial laser applications which have been developed since the invention of the laser in the 1958. The coherency, high monochromaticity, and ability to reach extremely high powers are all… …
