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On the interpolation of numerically defined surfaces in collimated-beam dual reflector antennas

โœ Scribed by J. R. Bergmann; F. J. V. Hasselmann; L. P. N. Costa; F. L. Telxeira; C. G. Rego


Book ID
112146277
Publisher
John Wiley and Sons
Year
1994
Tongue
English
Weight
329 KB
Volume
7
Category
Article
ISSN
0895-2477

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Scattering by screw heads in reflecting
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## Abstract Screws are often used to fasten the main reflector of a reflector antenna to its support structure. The screw heads may then cause bumps in an otherwise smooth reflector surface. Thereby, they disturb the reflected fields and cause increased sidelobes. In this paper, a perturbation theo