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1 slotted-waveguide antenna
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2 waveguide
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Slotted waveguide — segment reflector. For comparison, in the parabolic type of antenna a feedhorn at the end of a waveguide directs a conical beam of output energy toward the reflector, whence it is focused into a narrow collimated beam. Reflected energy from the… … Wikipedia
Waveguide (electromagnetism) — In electromagnetics and communications engineering, the term waveguide may refer to any linear structure that guides electromagnetic waves. However, the original and most common meaning is a hollow metal pipe used for this purpose.A dielectric… … Wikipedia
Squint (antenna) — In a phased array or slotted waveguide antenna, squint refers to the angle that the transmission is offset from the normal of the plane of the antenna. This deflection can be caused by:*Signal Frequency:As the frequency changes the relation of… … 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
Microwave — This article is about the electromagnetic wave. For the cooking appliance, see Microwave oven. For other uses, see Microwaves (disambiguation). A microwave telecommunications tower on Wrights Hill in Wellington, New Zealand Microwaves, a subset… … Wikipedia
Phased array — This article is about general theory and electromagnetic phased array. For the ultrasonic and medical imaging application, see phased array ultrasonics. In wave theory, a phased array is a group of antennas in which the relative phases of the… … Wikipedia
AN/SPS-55 — Infobox Radar name = AN/SPS 55 caption = AN/SPS 55 antenna on USS|Samuel B. Roberts|FFG 58 country = United States introdate = 1971 number = type = Surface search frequency = I band (9.05 to 10.0 GHz) range = greater than convert|50|nmi|km|1 [… … Wikipedia