Low-Cost Implementation of a Millimeter Wave Imaging System Operating in W-Band
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IEEE MTT-S International Microwave Symposium Digest
In this paper a low-cost mm-wave imaging system operating in W-band is presented. Multiple used techniques lead to reduced system costs, increased application versatility and a simplified setup. These goals are achieved by using packaged 77-GHz devices including an antenna-in-package, substituting physical focusing elements with imaging algorithms, and a multiplier-based topology which allows realizing coherent measurement setups on standard FR4 printed circuit boards. Test measurements conducted with the realized prototype demonstrate the applicability of the proposed approach.