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多斜率步進調(diào)頻連續(xù)波信號在汽車防撞雷達中的應(yīng)用

張建輝,  劉國歲,  顧紅,  蘇衛(wèi)民

張建輝, 劉國歲, 顧紅, 蘇衛(wèi)民. 多斜率步進調(diào)頻連續(xù)波信號在汽車防撞雷達中的應(yīng)用[J]. 電子與信息學(xué)報, 2002, 24(2): 232-237.
引用本文: 張建輝, 劉國歲, 顧紅, 蘇衛(wèi)民. 多斜率步進調(diào)頻連續(xù)波信號在汽車防撞雷達中的應(yīng)用[J]. 電子與信息學(xué)報, 2002, 24(2): 232-237.
Zhang Jianhui, Liu Guosui, Gu Hong, Su Weimin . Multi-slope stepped-FMCW waveform applied for automotive collision warning radar[J]. Journal of Electronics & Information Technology, 2002, 24(2): 232-237.
Citation: Zhang Jianhui, Liu Guosui, Gu Hong, Su Weimin . Multi-slope stepped-FMCW waveform applied for automotive collision warning radar[J]. Journal of Electronics & Information Technology, 2002, 24(2): 232-237.

多斜率步進調(diào)頻連續(xù)波信號在汽車防撞雷達中的應(yīng)用

Multi-slope stepped-FMCW waveform applied for automotive collision warning radar

  • 摘要: 該文首先介紹了工作在毫米波段的汽車防撞雷達的有關(guān)情況,然后針對其在實際工作情況下遇到的虛警問題,提出了一種新的雷達發(fā)射信號波形,即多斜率步進調(diào)頻連續(xù)波信號。該波形可以容易地數(shù)字化產(chǎn)生,同時其相應(yīng)的信號處理降低了傳統(tǒng)的高分辨率雷達對高速寬帶信號處理的要求。該文還提出了一種用于多個車輛目標檢測的逐次逼近算法,仿真結(jié)果表明,該算法能夠有效地去除虛假目標。
    Abstract: In this paper, automotive collision warning radar systems which operate on millimeter wave band is introduced first, then a new radar transmit waveform, which can be called multi-slope stepped-FMCW waveform, applied for those systems to solve the false alarm problem is proposed. The new waveform is easy to be generated digitally and its signal processing reduces the high-speed and wide-band signal processing requirement compared with conventional high resolution radar. An error approach algorithm for multiple vehicle target detection is suggested and its usefulness in eliminating the false target is confirmed by computer simulation.
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  • H. Rohling, M. -M. Meinecke, M. Klotz, R. Mende, Experiences with an experimental car controlled by a 77GHz radar sensor. In: Int. Radar Symposium 98, Munich, Germany: 1998,345-354.[2]J.D. Woll, VORAD collision warning radar, In: IEEE Int. Radar Conference, Alexandria, VA:1995, 369 372. ［3］W. Ulke, R. Adomat, K. Butscher, Radar based automotive obstacle dletection systen, SAE Trans., J. of Passenger Cars, 1994, 103(sec.6), 1224-1236.[3]W. Nagy, .J. Wilhelm, System and parametric tradeoffs of forward looking automotive radar systems. In: IEEE 1996 National Radar Conference, Ann Arbor, Michigan, 1996, 19 26. ［5］P.L. Lowbridge, Low cost millimeter-wave radar systems for intelligent vehicle cruise control applications, J. of Microwave, 1995, 38(10), 20-33.[4]H. Winner, S. Witte, W. Uhler, B. Lichtenberg, Adaptive cruise control systen aspects and development trends, SAE Trans., J. of Passenger Cars, 1996, 105(sec.6), 1412-1421.[5]J. Detlefsen, E. Schmidhammer, T. Troll, Collision warning radar using PN-code-modulation and wavefront reconstruction, In: Int Radar Symposium 98, Munich, Germany, 1998, 363-370.[6]L.H. Eriksson, B-Olof, A high performance automotive radar for automatic AICC. IEEE AES Systems Magazine, 1995, 10(12), 13-18.[7]D.M. Grimes, T. O. Jones, Automotive radar: A brief review, Proc. IEEE, 1974, 62(6), 804 822.[8]D.R. Wehner, High Resolution Radar, London, Bosten, Artech House, 2nd edition, 1995, Chapter 5.
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出版歷程
  • 收稿日期:  2000-01-20
  • 修回日期:  2000-07-12
  • 刊出日期:  2002-02-19

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