passive navigation device

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• Passive radar — systems (also referred to as passive coherent location and passive covert radar) encompass a class of radar systems that detect and track objects by processing reflections from non cooperative sources of illumination in the environment, such as… …   Wikipedia

• Kolchuga passive sensor — The Kolchuga passive sensor is an ESM system developed in Ukraine. Its detection range is limited by line of sight but may be up to 800 km (500 miles) for very high altitude, very powerful emitters. Frequently referred to as Kolchuga Radar , the… …   Wikipedia

• BMP-1 variants — This is a complete list of variants and designations of the BMP 1 infantry fighting vehicle. It is sorted by country of origin. Variants Former USSRInfantry fighting vehicles* BMP (Ob yekt 764) Original main prototype of BMP 1 developed by the… …   Wikipedia

• Omnidirectional treadmill — US Army Research Lab s ODT with CAVE Graphics An omnidirectional treadmill, or ODT, is a device that allows a person to perform locomotive motion in any direction. The ability to move in any direction is how these treadmills differ from their… …   Wikipedia

• Seat belt — This article is about the safety device. For the band, see The Seatbelts. A 3 point seat belt …   Wikipedia

• radar — /ray dahr/, n. 1. Electronics. a device for determining the presence and location of an object by measuring the time for the echo of a radio wave to return from it and the direction from which it returns. 2. a means or sense of awareness or… …   Universalium

• Graphics tablet — This article is about the computer input device. For other tablet devices, see Tablet device (disambiguation). A graphics tablet (or digitizer, digitizing tablet, graphics pad, drawing tablet) is a computer input device that enables a user to… …   Wikipedia

• BTR-80 — Infobox Weapon name= BTR 80 caption=A BTR 80 in Zvornik, Bosnia and Herzegovina origin=Soviet Union type=Armoured personnel carrier is vehicle=yes crew=3 (+7 passengers) length= 7.65 m width= 2.90 m height= 2.35 m weight= 13.6 tonnes armour=… …   Wikipedia

• BMP-3 — Infobox Weapon|is vehicle=yes| name=BMP 3 caption= type=Infantry fighting vehicle origin= Soviet Union length=7.14 m width=3.2 m height=2.4 m weight=18.7 tonnes suspension=torsion bar speed=72 km/h (road) 45 km/h (off road) speed water=10 km/h… …   Wikipedia

• Sonar — This article is about underwater sound propagation. For atmospheric sounding, see SODAR. For other uses, see Sonar (disambiguation) …   Wikipedia

• rocket and missile system — ▪ weapons system Introduction       any of a variety of weapons systems that deliver explosive warheads to their targets by means of rocket propulsion.       Rocket is a general term used broadly to describe a variety of jet propelled missiles… …   Universalium