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Institute for Communications Engineering and RF-Systems
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Imaging for Harsh Environments

Focus of this research is to develop a imaging radar prototype system which is capable of gauging a full three-dimensional surface with applications to bulk material and for use in very harsh environment. Based on standard radar technology (FMCW, MIMO, TDMA) we developed the whole prototype system, including RF frontend, baseband system, signal processing and imaging, surface reconstruction, algorithms.

The key parameters of the RF frontend and the measurement capability can be summarized as follows:

  • Start frequency: 76 GHz
  • Bandwidth: 2 GHz
  • Antennas: 16 TX and 64 RX antennas used → 256 virtual antenna positions
  • Array aperture: 47 x 52 mm2
  • Range resolution: 15 cm
  • Angular resolution: 2.8°

This project was developed in cooperation with voestalpine Stahl GmbH, Linz and is supported by the Austrian COMETK2 Program through the Linz Center of Mechatronics