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Title: Aperture-coupled thin-membrane microstrip array antenna for beam scanning application
Authors: Huang, John
Sadowy, Gregory
Derksen, Chuck
Del Castillo, Linda
Smith, Phil
Hoffman, Jim
Hatake, Toshiro
Moussessian, Alina
Keywords: array antenna
microstrip patch
aperture coupling
thin membrane
Issue Date: 5-Jul-2005
Publisher: Pasadena, CA : Jet Propulsion Laboratory, National Aeronautics and Space Administration, 2005
Citation: IEEE Antennas & Propagation Symposium, Washington, D.C., July 5-9, 2005.
Abstract: A microstrip array using aperture-slot-coupling technique with very thin membranes has been developed at the L-band frequency for beam scanning application. This technology-demonstration array with 4 x 2 elements achieved a relatively wide bandwidth of 100 MHz (8%) and ±45° beam scan. Very narrow coupling slots were used with each having an aspect ratio of 160 (conventional slot aspect ratio is between 10 to 30) for coupling through very thin membrane (0.05mm thickness). This thin-membrane aperture-coupling technique allows the array antenna elements to be more easily integrated with transmit/receive amplifier (T/R) and phase shifter modules. This paper addresses only the radiator portion of the array. The array and active components will be presented in a separate pape
Appears in Collections:JPL TRS 1992+

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