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HandWiki. Infra-red Search and Track. Encyclopedia. Available online: https://encyclopedia.pub/entry/29408 (accessed on 14 September 2026).
HandWiki. Infra-red Search and Track. Encyclopedia. Available at: https://encyclopedia.pub/entry/29408. Accessed September 14, 2026.
HandWiki. "Infra-red Search and Track" Encyclopedia, https://encyclopedia.pub/entry/29408 (accessed September 14, 2026).
HandWiki. (2022, October 14). Infra-red Search and Track. In Encyclopedia. https://encyclopedia.pub/entry/29408
HandWiki. "Infra-red Search and Track." Encyclopedia. Web. 14 October, 2022.
Infra-red Search and Track
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The content is sourced from: https://handwiki.org/wiki/Physics:Infra-red_search_and_track

An infrared search and track (IRST) system (sometimes known as infrared sighting and tracking) is a method for detecting and tracking objects which give off infrared radiation (see Infrared signature) such as jet aircraft and helicopters. IRST is a generalized case of forward looking infrared (FLIR), i.e. from forward-looking to all-round situation awareness. Such systems are passive (thermographic camera), meaning they do not give out any radiation of their own, unlike radar. This gives them the advantage that they are difficult to detect. However, because the atmosphere attenuates infrared to some extent (although not as much as visible light) and because adverse weather can attenuate it also (again, not as badly as visible systems), the range compared to a radar is limited. Within range, angular resolution is better than radar due to the shorter wavelength.

angular resolution infrared radiation flir

References

  1. Kinzey 1983, p. 12.
  2. Sweetman 1987, p. 552.
  3. Sweetman 1987, p. 526.
  4. Sweetman 1987, p. 532.
  5. Sweetman 1987, p. 537.
  6. Eden 2004, p. 279.
  7. https://www.defencetalk.com/mig-23-flogger-16805/
  8. Peter G. Dancey(2015)Soviet Aircraft Industry,Fonthill Media
  9. "OpenPod™ IRST and OpenPod™ Targeting" (in en-US). http://www.northropgrumman.com/Capabilities/openpod/Pages/default.aspx. 
  10. Drew, Carey. "‘Northrop unveils OpenPod as USAF seeks F-15 IRST". Flight Global. http://www.flightglobal.com/news/articles/northrop-unveils-openpod-as-usaf-seeks-f-15-irst-413022/. Retrieved 5 June 2015. 
  11. http://articles.janes.com/articles/Janes-Avionics/Optronique-Secteur-Frontal-OSF-for-the-Rafale-aircraft-France.html
  12. http://articles.janes.com/articles/Janes-Avionics/OLS-27-29-Russian-Federation.html
  13. http://www.vydavatelstvo-mps.sk/letectvi-kosmonautika/2617-mig-31-dale-rozvijen.html
  14. http://australianaviation.com.au/2010/02/saab-selects-selex-galileo-irst-for-gripen-ng/
  15. http://www.leonardocompany.com/-/pirate_irst
  16. http://typhoon.starstreak.net/Eurofighter/sensors.html#Pirate
  17. http://articles.janes.com/articles/Janes-Avionics/PIRATE-InfraRed-Search-and-Track-System-International.html
  18. http://articles.janes.com/articles/Janes-Avionics/AN-AAS-42-Infra-Red-Search-and-Track-System-IRSTS-United-States.html
  19. "USAF taps Boeing to select new F-15 sensor supplier". Flightglobal.com. 2016-10-10. https://www.flightglobal.com/news/articles/usaf-taps-boeing-to-select-new-f-15-sensor-supplier-430208/. 
  20. "Der Eurofighter "Typhoon" (VII) - Radar und Selbstschutz". Österreicher Bundesheer. June 2008. http://www.bmlv.gv.at/truppendienst/ausgaben/artikel.php?id=807. Retrieved 2014-02-05. 
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