avoidance radar

См. также в других словарях:

• terrain-avoidance radar — A special radar that permits aircraft to be flown safely at a preset clearance level. A normal PPI (plan position indicator) radar enables the terrain to be avoided in azimuth rather than in elevation. A specialist terrain avoidance radar, on the …   Aviation dictionary

• 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

• Radar altimeter — A radar altimeter, radio altimeter, low range radio altimeter (LRRA) or simply RA measures altitude above the terrain presently beneath an aircraft or spacecraft. This type of altimeter provides the distance between the plane and the ground… …   Wikipedia

• Radar warning receiver — Typically fitted to military aircraft, radar warning receivers (RWR) detect the radio emissions of radar systems, whether ground based or on board other aircraft. The system is often capable of classifying the source of the radar by type (Pulsed… …   Wikipedia

• Mini-automatic radar plotting aid — This article is about the radar plotting aid. For the PMA aircraft parts trade association see Modification and Replacement Parts Association. Mini automatic radar plotting aid (or MARPA) is a radar feature for target tracking and collision… …   Wikipedia

• nonscanning monopulse radar — A terrain radar that provides pitch rate error signals to a command indicator for manual control of aircraft in the pitch axis. The resultant flight path aims to parallel or follow the terrain at a height setting that is adjustable in flight.… …   Aviation dictionary

• Types and uses of radar — Radar has many different types and applications: * Search radars scan a wide area with pulses of short radio waves. They usually scan the area two to four times a minute. The waves are usually less than a meter long. Ships and planes are metal,… …   Wikipedia

• Marine radar — Display as part of an integrated bridge system New Widescreen colour Marine Radar Display …   Wikipedia

• Collision avoidance system — This article is about collision avoidance in automobiles; for other modes, see collision avoidance (disambiguation). A collision avoidance system is a system of sensors that is placed within a car to warn its driver of any dangers that may lie… …   Wikipedia

• Traffic Collision Avoidance System — The Traffic alert and Collision Avoidance System (or TCAS) is an aircraft collision avoidance system designed to reduce the incidence of mid air collisions between aircraft. It monitors the airspace around an aircraft for other aircraft equipped… …   Wikipedia

• Aircraft collision avoidance systems — Modern aircraft can use several types of collision avoidance systems to prevent unintentional contact with other aircraft, obstacles, or the ground:* Airborne Radar can detect the relative location of other aircraft, and has been in military use… …   Wikipedia