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基于四阶累积量的近场源时-空域三维参数估计法 被引量：1

Time-Spatial 3-D Parameter-Estimation Method of Near-Field Sources Based on Fourth-Order Cumulant
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摘要 研究了近场源的频率方向角距离的三维参数估计问题,并针对已有方法估计精度较低的问题,提出了一种利用四阶累积量和信号的空域和时域信息估计信源的频率方向角距离参数的方法。该方法扩展了阵列的孔径,提高了算法的估计性能。仿真实验证明,当信噪比为0时,该算法仍然能够正确估计信源的参数。 The frequency-bearing-range estimation of near-field sources is studied in this paper. A method for joint frequency-bearing-range estimation by using four-order cumulant and exploiting signal space-domain and time-domain's information is presented. Because the method extends array aperture, it enhances estimation performance of the algorithm. Some simulation examples show that the parameters of sources can be estimated correctly even when the SNR(Signal-to-Noise Ratio) is 0.
作者 王波 王树勋
机构地区 吉林大学通信工程学院
出处 《吉林大学学报（信息科学版）》 CAS 2005年第3期225-231,共7页 Journal of Jilin University（Information Science Edition）
基金 国家自然科学基金资助项目(60272065)
关键词 近场源定位 时空矩阵 频率估计 方向角估计 距离估计 near-field sources localization time-space matrix frequency estimate bearing estimate range estimate
分类号 TN911.72 [电子电信—通信与信息系统]
  • 相关文献

参考文献10

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二级参考文献27

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共引文献88

同被引文献10

  • 1王洪洋,廖桂生,王万林.近场源频率、波达方向和距离的联合估计方法[J].电波科学学报,2004,19(6):717-721. 被引量：8
  • 2Swindlehurst A L, Kailath T. Passive Direction of Arrival and Range Estimation for Near-field Sources[A]. IEEE 4th ASSP Workshop on Spectrum Estimation and Modeling[C]. Chicago: [s. n. ], 1988: 123-128.
  • 3Huang Y D, Barkat M. Near-field Multiple Sources Localization by Passive Sensor Array[J ]. IEEE Trans Antennas and Modeling Propagation, 1991, 39(7): 968-975.
  • 4Starer D, Nehoraj A. Path-following Algorithm for Passive Localization of Near-field Sources[A]. IEEE 5th ASSP Workshop on Spectrum Estimation and Modeling[C]. New York: [s. n. ], 1990. 322-326.
  • 5Lee J H, Lee C M, Lee K K. A Modified Path-following Algorithm Using a Known Algebraic Path[J ]. IEEE Trans Signal Processing, 1999 (5) : 1407-1409.
  • 6Challa R N, Shamsunder S. High-order Subspace Based Algorithm for Passive Localization of Near-field Sources[A]. Proc 29th Asilomar Conf Signals System Computer[ C]. California: [ s. n. ], 1995. 777-781.
  • 7Vittorio M, Andrea Trucco. Underwater 3D Imaging by FFT Dynamic Focusing Beamforming[A]. Image Processing ICIP-94 [C]. Texas: [s. n. ], 1994: 890-894.
  • 8Yuen N, Friedlander B. Performance Analysis of Higher-order ESPRIT for Localization of Near-field Sources[J]. IEEE Trans Signal Processing, 1998, (3) : 709-719.
  • 9Kraeutner P H. Small Aperture Acoustic Imaging Using Model Based Array Signal Processing[ D]. Bumaby: Simon Fraser University, 1998.
  • 10陈建峰,张贤达.一种新的近场源三维参数联合估计算法[J].电路与系统学报,2003,8(5):1-4. 被引量：5

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二级引证文献3

吉林大学学报（信息科学版）
2005年 第3期

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