Moving target detection on an iron‐bridge using phase analysis for automotive FMCW radar. Issue 22 (1st October 2019)

• Record Type: Journal Article
• Authors: Kim, Daehyun; Lee, Jingu; Jeong, Seonghee; Kim, Younglok
• Is Part Of: Electronics letters. Volume 55:Issue 22(2019)
• Page Start: 1196
• Page End: 1198
• Publication Date: 2019-10-01
• Subjects: FM radar -- road vehicle radar -- CW radar -- phased array radar -- object detection; iron‐bridge -- phase analysis -- automotive FMCW radar -- stationary iron‐clutters -- automotive radar system -- moving target detection method -- phase similarity -- spatial domain -- array antenna signal -- down‐chirp beat‐frequencies -- frequency‐modulated continuous wave‐phased array radar signal -- ego‐vehicle -- moving target velocity -- 77 GHz FMCW‐phased array radar -- frequency 77.0 GHz; Electronics -- Periodicals; 621.381
• DOI: 10.1049/el.2019.2303
• Languages: English
• ISSNs: 0013-5194

Abstract

Abstract : 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.