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This contribution describes a security assistant system comprising distributed millimeter wave radar sensors and chemical sensors. The system is deployable for a wide range of security applications, e. g. passenger security checks on airports, surveillance of people crowds in mass transportation systems or in other security-sensitive areas. The system looks for body-worn hazardous chemical substances...
In this paper, the setup of a rotating 94 GHz millimeter wave FMCW radar for passenger inspection on airports is presented. The radar frontend comprises 5 receive channels in order to look the person under test from different aspect angles. A special focus is on the calibration of the integrated VCO of the radar module. Its non-linearity has to be compensated precisely. Else, the phase of the intermediate...
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