high pulse-repetition-frequency radar

См. также в других словарях:

• Pulse-Doppler radar — Pulse Doppler is a radar system capable of not only detecting target location (bearing, range, and altitude), but also measuring its radial velocity (range rate). It uses the Doppler effect to determine the relative velocity of objects; pulses of …   Wikipedia

• Radar jamming and deception — is the intentional emission of radio frequency signals to interfere with the operation of a radar by saturating its receiver with noise or false information. There are two types of radar jamming: Mechanical and Electronic jamming . Mechanical… …   Wikipedia

• Radar — For other uses, see Radar (disambiguation). A long range radar antenna, known as ALTAIR, used to detect and track space objects in conjunction with ABM testing at the Ronald Reagan Test Site on Kwajalein Atoll …   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

• Radar signal characteristics — A Radar System uses a Radio Frequency electromagnetic signal reflected from a target to determine information about that target. In any radar system, the signal transmitted and received will exhibit many of the characteristics described below.The …   Wikipedia

• Fire-control radar — A fire control radar is a radar which is designed specifically to provide information (mainly target azimuth, elevation, range and velocity) to a fire control system in order to calculate a firing solution (i.e. information on how to direct… …   Wikipedia

• Cymbeline (radar) — Radar, Field Artillery, No 15, better known as Cymbeline, was a widely used British mortar locating radar[1] operating in the I band using a Foster scanner. It was developed by Thorn EMI and was in British service from 1975 until about 2003 with… …   Wikipedia

• History of radar — The history of radar starts with experiments by Heinrich Hertz in the late 19th century that showed that radio waves were reflected by metallic objects. This possibility was suggested in James Clerk Maxwell s seminal work on electromagnetism.… …   Wikipedia

• Weather radar — in Norman, Oklahoma with rainshaft …   Wikipedia

• Doppler radar — Doppler effect A Doppler radar is a specialized radar that makes use of the Doppler effect to produce velocity data about objects at a distance. It does this by beaming a microwave signal towards a desired target and listening for its reflection …   Wikipedia

• RADAR — Pour les articles homonymes, voir Radar (homonymie). Cette antenne radar longue portée, connue sous le nom ALTAIR, est utilisée pour détecter et pister les objets spatiaux …   Wikipédia en Français