Active electronically scanned array antenna for satellite communications

Active electronically scanned array antenna for satellite communications

An electronically scanned array antenna. The novel antenna includes a first planar array of antenna elements and one or more side planar arrays of antenna elements, each side array adjacent to the first array and tilted at a predetermined angle relative to the first array. In an illustrative embodim...

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Hauptverfasser: MASON JAMES S, NICHOLS RICHARD W, CHANG IKE, SHOWS GILBERT M, EPPICH RAYMOND D, BURNUM GUSTAVO A, ROPER JOEL C
Format: Patent
Sprache:eng
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ANTENNAS, i.e. RADIO AERIALS
BASIC ELECTRIC ELEMENTS
ELECTRICITY
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creator MASON JAMES S
NICHOLS RICHARD W
CHANG IKE
SHOWS GILBERT M
EPPICH RAYMOND D
BURNUM GUSTAVO A
ROPER JOEL C
description An electronically scanned array antenna. The novel antenna includes a first planar array of antenna elements and one or more side planar arrays of antenna elements, each side array adjacent to the first array and tilted at a predetermined angle relative to the first array. In an illustrative embodiment, the antenna also includes a plurality of transmit/receive modules, each module coupled to one antenna element. Each transmit/receive module includes phase shifters for varying the relative phases of the antenna elements to form a desired overall beam pattern, and a low noise amplifier and high power amplifier for amplifying signals received and transmitted by the antenna element, respectively. In an illustrative embodiment, a processor provides individual phase and channel enable control signals for independently controlling the phase shifters and amplifiers, respectively, of each module.
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subjects ANTENNAS, i.e. RADIO AERIALS
BASIC ELECTRIC ELEMENTS
ELECTRICITY
title Active electronically scanned array antenna for satellite communications
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