conical scan

См. также в других словарях:

• Conical scanning — is a system used in early radar units to improve their accuracy, as well as making it easier to steer the antenna properly to point at a target. Conical scanning is similar in concept to the earlier lobe switching concept used on some of the… …   Wikipedia

• conical scanning — A radar scan pattern in which a point on the radar beam describes a circle at the base of a cone. This type of scan pattern provides both elevation and azimuth data. The radiation pattern of the antenna is made slightly lopsided, and the antenna… …   Aviation dictionary

• scan — i. To search the sky for any hostile aircraft. The area of the scan for a typical two aircraft formation is indicated in the illustration. In flight, the term means “Search the sector indicated and report any contacts.” ii. To make a sweep of… …   Aviation dictionary

• scan type — The path made in space by a point on the radar beam; for example, circular, helical, conical, spiral, or sector …   Military dictionary

• Palmer scan — A radar technique in which conical scan is superimposed on some other form of scanning. For example, in Palmer sector, beam oscillates to and fro over azimuth sector while continuously making small angel conical scan …   Aviation dictionary

• radar scan — The path or pattern described by the motion of a radar beam as it searches for a target. See helical scan and conical scan …   Aviation dictionary

• 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

• 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

• AZUSA — refers to a ground based radar tracking system installed at Cape Canaveral, Florida and the NASA Kennedy Space Center. AZUSA dated back to the early 1950s and was named after the southern California town (Azusa, California) where the system was… …   Wikipedia

• Minimumpeilung — Einige ältere Zielverfolgungsradargeräte nutzen die Minimumpeilung zur Bestimmung der Zielrichtung. Auf Englisch wird diese Art der Zielverfolgung „conical scan” genannt. Das erste Radar, welches mit dieser Methode arbeitete, war das Würzburg D.… …   Deutsch Wikipedia

• Ship gun fire-control system — Mk 37 Director c1944 with Mk 12 (rectangular antenna) and Mk 22 orange peel Ship gun fire control systems (GFCS) enable remote and automatic targeting of guns against ships, aircraft, and shore targets, with or without the aid of radar or optical …   Wikipedia