Three-dimensional millimeter-wave imaging for concealed weapon detection

By D. Sheen, D. McMakin, T. Hall. 2001

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Millimeter-Wave Transmitarrays for Wavefront and Polarization Control (2013, background): “An improved design was presented in [32], where a reduced thickness and a large bandwidth were demonstrated.”
A Novel Fully Electronic Active Real-Time Imager Based on a Planar Multistatic Sparse Array (2011, background): “For many applications, active imaging is a necessity to achieve images with high dynamic range, and real-time operation is an ultimate goal that is usually unreachable with mechanical scanning methods [2], [3].”
Microwave Imaging for Breast Cancer (2011, methodology): “It has been successfully applied to concealed weapon detection—the millimeter-wave whole-body scanners now deployed in many large airports use holographic reconstruction algorithms [92].”
Millimeter-Wave and Submillimeter-Wave Imaging for Security and Surveillance (2007, methodology): “D holographic radar technique has been demonstrated by Sheen, McMakin, and Hall [25] and produces good quality images.”
Advanced Microwave Imaging (2012, background): “A compromise between measurement speed and technical complexity is a hybrid concept with mechanical sampling in one spatial coordinate and electronic sampling in the perpendicular direction [24]–[26].”