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access icon free Moving target detection on an iron-bridge using phase analysis for automotive FMCW radar

When driving on an iron-bridge, stationary iron-clutters cause disturbances in the detection of a moving target in an automotive radar system. In this Letter, the authors propose a moving target detection method that utilises phase similarity of the spatial domain on an iron-bridge. To analyse the spatial domain via the array antenna signal of the up- and down-chirp beat-frequencies, the frequency-modulated continuous wave (FMCW)-phased array radar signal was used. It is possible to match the up- and down-chirp beat-frequencies of each object, moving target, and stationary iron-clutters, by using the proposed method. Not only the moving target but also the ego-vehicle and moving target velocity are detected through this matching. The suitability of the proposed method is verified by on-road measurement data using a 77 GHz FMCW-phased array radar.

References

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      • 2. Schneider, M.: ‘Automotive radar – status and trends’. IEEE German Microwave Conf. (GeMiC), Ulm, Germany, 2005, Vol. 4, pp. 144147.
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      • 3. Lee, J.-E, Lim, H.-S., Jeong, S.-H., et al: ‘Harmonic clutter recognition and suppression for automotive radar sensors’, Int. J. Distrib. Sens. Netw., 2017, 13, (9), pp. 111.
http://iet.metastore.ingenta.com/content/journals/10.1049/el.2019.2303
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