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Design of terahertz frequency scanning reflector antenna and its application in direction-of-arrival estimation
The Journal of Engineering
A novel frequency scanning-based direction-of-arrival (DOA) estimation scheme is proposed at terahertz (THz) band. The diffraction enhancement mechanism, focusing the superposition of the diffracted beam radiated from each element in one unit cell, is expanded to the 0.3 THz band. The frequency scanning reflector antenna (FSRA) operating at 235-330 GHz is proposed with high diffraction efficiency. Angular super-resolution algorithm is proposed based on the FSRA. Maximum likelihood (ML) method,doi:10.1049/joe.2019.0562 fatcat:enqrcjmtvrenpavlrb4ao7nq6u