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Properties of substrate material play an important role in the design of reflectarray antenna. In this work linear and non-linear dielectric properties of substrate materials are discussed thoroughly. Rogers RT/d 5880 and K-15 nematic are used as linear and non-linear dielectric materials respectively, to design different reflectarray resonant elements in X-band frequency range. Simulated and measured...
This work provides an investigation on the slot embedded patch configurations to be used as elements for the active reflectarray design. Rectangular slots have been introduced in the centre of the rectangular patch elements designed in the X-band frequency range. Waveguide scattering parameter measurements has been performed for the proposed slotted elements and a close agreement has been shown between...
In this work, a detailed analysis of dual frequency X-band reflectarray antenna using dual gap configuration on the rectangular patch element is presented. A novel method of moment mathematical model of dual frequency operation based on different dielectric material has been introduced in this paper. The analytical modeled simulations and mathematical model of dual frequency using Roger RT/d 5880...
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