frequency scan radar

См. также в других словарях:

• frequency agile radar — Radar whose operating frequency can be changed with every scan of an antenna by means of tuning magnetrons …   Aviation dictionary

• 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 — 1. noun /ˈreɪdɑː(r)/ a) A method of detecting distant objects and determining their position, velocity, or other characteristics by analysis of sent radio waves (usually microwaves) reflected from their surfaces His sensitive radar for hidden… …   Wiktionary

• Monopulse radar — is an adaptation of conical scanning radar which sends additional information in the radar signal in order to avoid problems caused by rapid changes in signal strength. The system also makes jamming more difficult. Most radars designed since the… …   Wikipedia

• 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

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

• BEL Weapon Locating Radar — Infobox Radar name = Weapon Locating Radar caption = A scale model of the WLR. The array is at its maximum slew setting of 125o. country = IND introdate = number = 28 on order type = Artillery Locating Radar frequency = C band range = Artillery …   Wikipedia

• Blip-to-scan ratio — In radar systems, the blip to scan ratio, or blip/scan, is the ratio of the number of times a target appears on a radar display to the number of times it could have been seen. [ [http://www.answers.com/topic/blip scan ratio?cat=technology blip… …   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

• Synthetic Aperture Radar — Radaraufnahme (SIR C/X SAR) des Vulkans Teide auf Teneriffa aus dem Space Shuttle Endeavour Ein Synthetic Aperture Radar (Abkürzung: SAR; deutsch etwa: „Radar mit synthetischer Apertur“) gehört zur Klasse der abbildenden Radare und wird als… …   Deutsch Wikipedia