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  2. Radar beacon - Wikipedia

    en.wikipedia.org/wiki/Radar_beacon

    Radar beacon. Racon signal as seen on a radar screen. This beacon receives using sidelobe suppression and transmits the letter "Q" in Morse code near Boston Harbor (Nahant) 17 January 1985. Radar beacon (short: racon) is – according to article 1.103 of the International Telecommunication Union's (ITU) ITU Radio Regulations (RR) [1 ...

  3. Laser designator - Wikipedia

    en.wikipedia.org/wiki/Laser_designator

    A laser designator is a laser light source which is used to designate a target. Laser designators provide targeting for laser-guided bombs, missiles, or precision artillery munitions, such as the Paveway series of bombs, AGM-114 Hellfire, or the M712 Copperhead round, respectively. When a target is marked by a designator, the beam is invisible ...

  4. Look-down/shoot-down - Wikipedia

    en.wikipedia.org/wiki/Look-down/shoot-down

    Look-down/shoot-down radars have been enhanced with electronic programs that process the radar image and search for moving objects, which are detected by looking for Doppler shifts in the radar return. See moving target indication. The radar removes all stationary objects (e.g. the ground and buildings) from the display and shows only moving ...

  5. RTX Corporation - Wikipedia

    en.wikipedia.org/wiki/RTX_Corporation

    RTX Corporation, formerly Raytheon Technologies Corporation, is an American multinational aerospace and defense conglomerate headquartered in Arlington, Virginia.It is one of the largest aerospace and defense manufacturers in the world by revenue and market capitalization, as well as one of the largest providers of intelligence services.

  6. Cone tracing - Wikipedia

    en.wikipedia.org/wiki/Cone_tracing

    Principles. In ray tracing, rays are often modeled as geometric ray with no thickness to perform efficient geometric queries such as a ray-triangle intersection.From a physics of light transport point of view, however, this is an inaccurate model provided the pixel on the sensor plane has non-zero area.

  7. North American Industry Classification System - Wikipedia

    en.wikipedia.org/wiki/North_American_Industry...

    The North American Industry Classification System or NAICS ( / neɪks /) [1] is a classification of business establishments by type of economic activity (the process of production). It is used by governments and business in Canada, Mexico, and the United States of America. It has largely replaced the older Standard Industrial Classification ...

  8. UIC identification marking for tractive stock - Wikipedia

    en.wikipedia.org/wiki/UIC_identification_marking...

    A complete number is referred to as a European Vehicle Number and comprises 12 digits as originally outlined in UIC Code of Practice 438-3, Identification marking for tractive stock. Digits 1–2 are the type code, 3–4 the country of origin (where the vehicle is registered), 5–11 are defined by the country concerned, 12 is the check digit ...

  9. Global Industry Classification Standard - Wikipedia

    en.wikipedia.org/wiki/Global_Industry...

    The Global Industry Classification Standard ( GICS) is an industry taxonomy developed in 1999 by MSCI and Standard & Poor's (S&P) for use by the global financial community. The GICS structure consists of 11 sectors, 25 industry groups, 74 industries and 163 sub-industries [1] into which S&P has categorized all major public companies.

  10. List of airline codes - Wikipedia

    en.wikipedia.org/wiki/List_of_airline_codes

    GDS and airline hosting system (CRS/PSS) 1B n/a Sabre travel network Asia-Pacific (ex-Abacus) n/a APAC Regional distribution 1E n/a Travelsky n/a China Local distribution system and hosting system (CRS/PSS) 1F n/a Infini travel information, Inc. n/a Japan Local distribution system (CRS) 1G n/a Travelport (Galileo core) n/a Global GDS (CRS) 1H n/a

  11. Ray-tracing hardware - Wikipedia

    en.wikipedia.org/wiki/Ray-tracing_hardware

    Introduction: Ray tracing and rasterization. The problem of rendering 3D graphics can be conceptually presented as finding all intersections between a set of "primitives" (typically triangles or polygons) and a set of "rays" (typically one or more per pixel).