Research Article

A Wideband Waveguide Antenna with Nearly Equal E- and H-Plane Radiation Patterns

Figure 6

Study of variations in radiation patterns versus the changes of lengths of metallic brims at 12, 15, and 18 GHz, respectively. (a)-(b) E-plane and H-plane at 12 GHz, (c)-(d) E-plane and H-plane at 15 GHz, and (e)-(f) E-plane and H-plane at 18 GHz.
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(a) E-plane
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(b) H-plane
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(c) E-plane
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(d) H-plane
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(e) E-plane
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(f) H-plane