Dual band, low sidelobe, high efficiency mirror antenna

Dual band, low sidelobe, high efficiency mirror antenna

A dual band mirror antenna employing a continuous mirror without a hole. Side-by-side feeds for each band and an electromagnetic lens, located behind a rotatable twist reflector (the mirror), collimate beams toward a pair of polarized reflectors located near the twist reflector and tilted to aim the...

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Hauptverfasser: HOWARD, DEAN D
Format: Patent
Sprache:eng
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ANTENNAS, i.e. RADIO AERIALS
BASIC ELECTRIC ELEMENTS
ELECTRICITY
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DEAN D
description A dual band mirror antenna employing a continuous mirror without a hole. Side-by-side feeds for each band and an electromagnetic lens, located behind a rotatable twist reflector (the mirror), collimate beams toward a pair of polarized reflectors located near the twist reflector and tilted to aim the reflected energy toward the twist reflector. One polarized reflector is reflective at the higher radiofrequency band and transparent at the lower radiofrequency band. The other polarized reflector is reflective at both bands. Energy directed back toward the polarized reflectors from the twist reflector passes through the polarized reflectors to free space.
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subjects ANTENNAS, i.e. RADIO AERIALS
BASIC ELECTRIC ELEMENTS
ELECTRICITY
title Dual band, low sidelobe, high efficiency mirror antenna
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