Abstract: A hybrid two-dimensional (2D) beam-scanning lens antenna through the combination of a mechanical lens slide and a phased array primary radiator is proposed. The proposed antenna allowed for ...

A federal judge has ordered Texas to extend the application deadline to March 31 for its school voucher program after lawsuits alleged the state improperly excluded Islamic private schools from ...

Abstract: This paper analyzes the beam spatial arrangement of two-dimensional phased array radar. It defines the coordinate systems involved in beam arrangement, examines the coordinate ...