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An innovative 24 GHz digital beamforming radar system for three-dimensional imaging is addressed in this paper. The presented FMCW radar is characterized by an orthogonal arrangement of a transmitter and receiver antenna array in order to perform digital beamforming in two dimensions. By temporal multiplexing of the transmitter channels and parallel-operated receivers, each propagation path from the mth transmit antenna to the object to the nth receive antenna is made available to the signal processing. The three-dimensional imaging concept and the realized digital beamforming radar as well as signal processing aspects concerning sensor calibration are described in this paper.
Radar (Radar), 2011 IEEE CIE International Conference on (Volume:1 )
Date of Conference: 24-27 Oct. 2011