Improvement of Depth Resolution by Dual-band integration for 3D MIMO Radar for Security Inspections

The authors are studying a MilliMeter-Wave (MMW) radar with Multiple Input Multiple Output (MIMO) for security inspections. The paper describes the architecture of the MMW MIMO radar imager with dual-band operations. The depth resolution is improved by the integration of two different data obtained in two frequency bands. The depth resolution is also discussed using reference sphere measurement.