Design of Backtracking Surface with Enhanced In-band Co-polarization Reflection Amplitude
A backtracking array with enhanced in-band co-polarization reflection amplitude is de-signed.By loading a non-reciprocal transistor and a phase shifter on the back of the antenna,the scattering characteristics enhancement function of in-band co-polarized wave and the backtracking function of electromagnetic wave on the reflecting surface are performed.The designed reflection array is composed of a series of radiators,power dividers,amplifiers and phase shifter with phase gradient,which provides an effective mechanism for electromagnetic wave reception,unilateral sig-nal amplification,non-reciprocal phase shift and re-radiation.The non-reciprocal reflecting surface has the characteristics of having low profile and simultaneously changing the reflection amplitude and phase,has broad application prospects in multi-functional and integrated electromagnetic struc-tures.
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