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Broadband quarter-wavelength patch antennas with a U-shaped slot

โœ Scribed by Y. X. Guo; A. Shackelford; K. F. Lee; K. M. Luk


Publisher
John Wiley and Sons
Year
2001
Tongue
English
Weight
163 KB
Volume
28
Category
Article
ISSN
0895-2477

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โœฆ Synopsis


A broadband quarter-waยจelength patch antenna with a U-slot is presented. Using a foam layer of thickness ; 0.07 as a 0 ( ) supported substrate, an impedance bandwidth of 27% SWR F 2 has been obtained. The far-field patterns are stable across the passband. แฎŠ


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Figure 10 Electric field, -polarized, backscattered from a sinusoidally deformed DCR with p s 0.1. Dashed line: h s 0; solid line: h s 0.2 tive or destructive way, thus justifying the oscillations present in Figure 10. As a final observation, we note that, by increasing the DCR dimensions, the lobe