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In this paper, to suppress the surface wave in dielectric substrate novel soft surface structure is proposed. In case of microstrip patch antenna design with finite ground plane, most of the backward radiation is induced due to surface waves which flow through the ground plane. By using the proposed soft surface structure, backward radiation power of a microstrip patch antenna is reduced -7 dBi compare...
In this paper, the high gain and broadband antenna operating for SDMB (Satellite Digital Multimedia Broadcasting) system is proposed. The proposed antenna consists of the SAP (Shorted Annular Patch) structure, which inhibits surface-wave and the parasitic SAP element with spacing of 0.25 lambda0 in order to improve gain, bandwidth and directivity. The RHCP (Right Hand Circular Polarization) is generated...
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