Wide-band/dual-band stacked-disc radiators on stacked-dielectric posts phased array antenna

Wide-band/dual-band stacked-disc radiators on stacked-dielectric posts phased array antenna

A very wide-band or dual-band phased array antenna (50; 50'; 200) using stacked-disc radiators on stacked-dielectric cylindrical posts to form radiator elements (60; 60'; 210). Each radiator element includes a ground plane (64), a lower dielectric cylindrical post (62A) of a high dielectri...

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Hauptverfasser: ALLEN T.S. WANG, KUAN M. LEE, RUEY S. CHU
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Sprache:eng
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ANTENNAS, i.e. RADIO AERIALS
BASIC ELECTRIC ELEMENTS
ELECTRICITY
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creator ALLEN T.S. WANG
KUAN M. LEE
RUEY S. CHU
description A very wide-band or dual-band phased array antenna (50; 50'; 200) using stacked-disc radiators on stacked-dielectric cylindrical posts to form radiator elements (60; 60'; 210). Each radiator element includes a ground plane (64), a lower dielectric cylindrical post (62A) of a high dielectric material adjacent the ground plane (64), a lower thin conductive radiator disc (66A) formed on the upper surface of the lower dielectric post (62A), an upper dielectric cylindrical post (62B) of a low dielectric material disposed on top of the lower post (62A) and lower radiator disc (66A), and an upper thin radiator disc (66B) or annular ring (66B') formed on the upper surface of the upper post (62B). The first radiator disc (66A) is excited by two pairs of probes (67A-67D) arranged in orthogonal locations. Each pair of probes can be fed by coaxial cables with 180 degree phase reversal. The second radiator disc (66B) or annular ring (66B') is a parasitic radiator without feeding probes. Depending on the feed arrangement, the radiator elements can achieve single-linear polarization, dual-linear polarization or circular polarization.
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subjects ANTENNAS, i.e. RADIO AERIALS
BASIC ELECTRIC ELEMENTS
ELECTRICITY
title Wide-band/dual-band stacked-disc radiators on stacked-dielectric posts phased array antenna
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