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高分辨率寬帶相干信號波達(dá)方向的高效估計(jì)

雷中定,  黃繡坤,  張樹京

雷中定, 黃繡坤, 張樹京. 高分辨率寬帶相干信號波達(dá)方向的高效估計(jì)[J]. 電子與信息學(xué)報, 1998, 20(3): 413-416.
引用本文: 雷中定, 黃繡坤, 張樹京. 高分辨率寬帶相干信號波達(dá)方向的高效估計(jì)[J]. 電子與信息學(xué)報, 1998, 20(3): 413-416.
Lei Zhongding, Huang Xiukun, Zhang Shujing. A FAST ALGORITHM FOR DIRECTION-OF-ARRIVAL ESTIMATION OF WIDE-BAND COHERENT SOURCES[J]. Journal of Electronics & Information Technology, 1998, 20(3): 413-416.
Citation: Lei Zhongding, Huang Xiukun, Zhang Shujing. A FAST ALGORITHM FOR DIRECTION-OF-ARRIVAL ESTIMATION OF WIDE-BAND COHERENT SOURCES[J]. Journal of Electronics & Information Technology, 1998, 20(3): 413-416.

高分辨率寬帶相干信號波達(dá)方向的高效估計(jì)

A FAST ALGORITHM FOR DIRECTION-OF-ARRIVAL ESTIMATION OF WIDE-BAND COHERENT SOURCES

  • 摘要: 本文給出了一種用于多源寬帶相干信號波達(dá)方向(DOA)估計(jì)的快速算法。它是基于信號子空間技術(shù),通過截取中心窄帶頻段數(shù)據(jù)并進(jìn)行空間平滑來獲得對方向的高效估計(jì)。文中最后通過計(jì)算機(jī)仿真,與CSM方法進(jìn)行了比較,驗(yàn)證了本算法的快速、高分辨率等優(yōu)良性能。
    Abstract: A fast direction-of-arrival(DOA) estimation algorithm is proposed that applies to coherent wide-band emitter signals impinging on an uniform linear array.This algorithm,where spatial smoothing technique is employed,is based on obtaining the array mainfold of a desired narrow-band covering the center frequency of the whole wide-band.The fast algorithm,which has super-resolution,leads to the realization of real-time bearing estimation of multiple coherent wide-band soucres.Simulations are presented with comparison to coherent signal-subspace method (CSM).
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  • Wang H, Kaveh M. Coherent signal-subspace processing for the detection and estimation of angles[2]of arrival of multiple wideband sources. IEEE Trans. on Acoust., Speech, Signal Processing, 1985, ASSP-33(4): 823-831.[3]Hung H, Kaveh M. Focusing matrices for coherent signal-subspace processing. IEEE Trans. on Acoust., Speech, Signal Processing, 1988, ASSP-36(8): 1272-1281.[4]Krolik J, Swingler D N. Focused wide-band array processing via spatial resampling. IEEE Trans.[5]on Acoust., Speech.[J]. Signal Processing.1990,ASSP-38(?):356-[6]Doron M A, Weiss A J. On focusing matrices for wide-band array processing. IEEE Trans. on Acoust., Speech, Signal Processing, 1992, ASSP-40(6): 1295-1302.[7]Friedlander B, Weiss A J. Direction finding for wide-band signals using an interpolated array[J].IEEE Trans. on Signal Processing.1993, 41(4):1618-1634[8]Valaee S, Kabal P. Wideband array processing using a two-sided correlation transformation. IEEE[9]Trans. on Signal Processing, 1995, 43(1): 160-172.[10]Shan T J, Wax M, Kailath T. On spatial smoothing for direction-of-arrival estimation of coherent signals. IEEE Trans. on Acoust., Speech, Signal Processing, 1985, ASSP-33(4): 806-811.
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出版歷程
  • 收稿日期:  1996-10-10
  • 修回日期:  1997-10-10
  • 刊出日期:  1998-05-19

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