NASA NTRS · 19940000002
Dual-Beam Microstrip Array Antenna
Abstract
Microstrip array antenna similar to one described in "Parallel/Series-Fed Microstrip Array Antenna" (NPO-18678), except one array produces two off-broadside beams with no additional complication of feeds. Adjacent elements spaced and phased to radiate coherently in desired beam squint directions. In original application, two beams used in airborne synthetic-aperture interferometric radar to measure along-track and cross-track velocities simultaneously. Other potential applications include multiple-beam communications and tracking of aircraft at airports.
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Huang, John, Madsen, Soren N.. 1994-01-01. Dual-Beam Microstrip Array Antenna. https://ntrs.nasa.gov/citations/19940000002
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