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A low cross-polarization reflectarray antenna using substrate integrated waveguide (SIW) slot antenna as element is presented. The proposed slot antenna element consists of two SIW layers, and a longitudinal slot is etched on the upper layer for radiation, while the SIW section on the bottom layer has variable length for phase controlling. A coupling slot is etched in the metal interface of the two...
One SIW slot antenna is presented and used as an element to realize a reflectarray antenna for low cross-polarization application. The phase of the proposed element can be linearly adjusted in the range of over 360° and the cross-polarization level is less than −60dB. Using the proposed element, a novel reflectarray antenna is designed and fabricated. The simulated and measured results show that the...
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