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An open-slot antenna with wideband circular polarization has been designed and fabricated in this paper. The proposed antenna is composite of an open-slot, an asymmetric structure, and a patch-protruded feeding topology. The asymmetric structure can provide 90° phase difference in order to excite circular polarization for the satellite digital audio radio (SDAR) service system. By utilizing the patch-protruded...
A coplanar-waveguide (CPW)-fed monopole antenna for applications of the multi-system integration has been presented in this study. The enhancement of impedance bandwidth and circular polarization in the microstrip rectangular monopole antenna using following techniques: using asymmetrical CPW feeding structure and adding three grounded sleeve strips. By tuning the width of one side of the CPW ground...
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