Tilted element antenna having increased effective aperture and method therefor
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United States of America Patent
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Feb 23, 1999
Grant Date -
N/A
app pub date -
Oct 21, 1996
filing date -
Oct 21, 1996
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A tilted helical element antenna array has increased effective aperture. By tilting individual helical radiators relative to one another, the region of aperture overlap may be decreased to thereby increase the effective aperture of the array. Helical radiators are disposed at a radiator spacing which is less than the operating wavelength .lambda.. At such a small spacing, the apertures of each of the helical radiators overlap. To decrease this aperture overlap region and thereby increase the effective aperture of the array, each of the helical radiators are tilted relative to one another. Thus, a compact antenna having an increased effective aperture is provided.
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