A scalable and interchangeable 8×8 CMOS detector array module is proposed for sub-terahertz imaging systems. The architecture supports expansion from a 2×2 detector IC to 4×4 and 8×8 configurations.

Time-modulated arrays (TMAs) transmitting information bearing orthogonal frequency division multiplexing (OFDM) signals can achieve directional modulation. By turning its antennas on and off in a ...