A phase-shift-and-sum algorithm that compensates per-frequency phase and amplitude in dispersive media yields lower image distortion and better weak-scatter detection than time-shift beamforming in UWB radar experiments.
A sparse aperture MIMO-SAR-based UWB imaging system for concealed weapon detection,
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A Phase Shift and Sum Method for UWB Radar Imaging in Dispersive Media
A phase-shift-and-sum algorithm that compensates per-frequency phase and amplitude in dispersive media yields lower image distortion and better weak-scatter detection than time-shift beamforming in UWB radar experiments.