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Imaging extended objects with a Fresnel-zone-plate aperture

✍ Scribed by Henkelman, R. M.; Bronskill, M. J.


Book ID
115383435
Publisher
Optical Society of America
Year
1974
Weight
412 KB
Volume
64
Category
Article
ISSN
0030-3941

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Fresnel zone plate antenna with hexagona
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## Abstract A novel Fresnel zone plate antenna (FZPA) with hexagonal‐cut zones is presented. This new structure was simulated at 30 GHz using a finite‐difference time‐domain software to study its gain and sidelobe levels in relation to the standard circular FZPA and the hexagonal FZPA. Several prot