Abstract: This work presents a D-band phase shifter which utilizes a one-bit phase inverter (PI), followed by two cascaded reflective-type phase shifters (RTPSs). The PI uses two identical cascode ...

Abstract: We report the design of space-time reflective metasurfaces composed by an alignment of elements that can exhibit an In-phase (I) and Quadrature (Q) reflective response.

2025 has been described as the year of geoeconomics – a time when economic and security issues have become inextricably linked. Around the world, governments are using trade, investment, resources and ...

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