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稀疏拉伸式L型極化敏感陣列的二維波達方向和極化參數(shù)聯(lián)合估計

馬慧慧 陶海紅

馬慧慧, 陶海紅. 稀疏拉伸式L型極化敏感陣列的二維波達方向和極化參數(shù)聯(lián)合估計[J]. 電子與信息學報, 2020, 42(4): 902-909. doi: 10.11999/JEIT190208
引用本文: 馬慧慧, 陶海紅. 稀疏拉伸式L型極化敏感陣列的二維波達方向和極化參數(shù)聯(lián)合估計[J]. 電子與信息學報, 2020, 42(4): 902-909. doi: 10.11999/JEIT190208
Huihui MA, Haihong TAO. Joint 2D-DOA and Polarization Parameter Estimation with Sparsely Stretched L-shaped Polarization Sensitive Array[J]. Journal of Electronics & Information Technology, 2020, 42(4): 902-909. doi: 10.11999/JEIT190208
Citation: Huihui MA, Haihong TAO. Joint 2D-DOA and Polarization Parameter Estimation with Sparsely Stretched L-shaped Polarization Sensitive Array[J]. Journal of Electronics & Information Technology, 2020, 42(4): 902-909. doi: 10.11999/JEIT190208

稀疏拉伸式L型極化敏感陣列的二維波達方向和極化參數(shù)聯(lián)合估計

doi: 10.11999/JEIT190208
詳細信息
    作者簡介:

    馬慧慧:女,1993年生,博士生,研究方向為極化敏感陣列信號處理、MIMO矢量傳感器陣列信號處理

    陶海紅:女,1976年生,博士,教授,博士生導師,研究方向為雷達信號處理與檢測、高速實時信號處理、陣列信號處理

    通訊作者:

    馬慧慧 1981734461@qq.com

  • 中圖分類號: TN823; TN911.7

Joint 2D-DOA and Polarization Parameter Estimation with Sparsely Stretched L-shaped Polarization Sensitive Array

  • 摘要:

    為降低現(xiàn)有的共心式矢量傳感器陣列天線間存在的嚴重互耦影響,進一步提高參數(shù)估計精度,該文提出一種稀疏拉伸式L型極化敏感陣列(SSL-PSA),并針對該陣列提出一種2維波達方向(DOA)和極化參數(shù)聯(lián)合估計算法。首先建立稀疏拉伸式極化敏感陣列的信號模型,然后將陣列劃分為6個子陣,采用子空間旋轉(zhuǎn)不變算法(ESPRIT)算法得到多個旋轉(zhuǎn)不變因子(RIFs),再根據(jù)旋轉(zhuǎn)不變因子間的關(guān)系,通過數(shù)學運算,得到一組方向余弦有模糊精估計值和4組無模糊粗估計值;然后重構(gòu)出對應(yīng)的4組導向矢量,根據(jù)導向矢量和噪聲子空間的正交性,確定出正確的一組無模糊粗估計值;最后通過現(xiàn)有的解模糊方法得到高精度且無模糊的DOA和極化參數(shù)估計值。該文所提陣列不存在共心結(jié)構(gòu),相對于現(xiàn)有的含有共心式矢量傳感器結(jié)構(gòu)的陣列,大大降低了互耦影響,且可在不增加天線數(shù)目的前提下,有效擴展陣列的2維孔徑,大大提高DOA估計精度。仿真結(jié)果證明該文所提方法的有效性。

  • 圖  1  SSL-PSA的空間結(jié)構(gòu)

    圖  2  基于本文算法的信號4維參數(shù)估計星座圖

    圖  3  2維波達方向估計均方根誤差隨信噪比變化曲線

    圖  4  2維波達方向估計均方根誤差隨快拍數(shù)變化曲線

  • 徐友根, 劉志文, 龔曉峰. 極化敏感陣列信號處理[M]. 北京: 北京理工大學出版社, 2013: 1–21.

    XU Yougen, LIU Zhiwen, and GONG Xiaofeng. Signal Processing Based on Polarization Sensitive Array[M]. Beijing: Beijing Institute of Technology Press, 2013: 1–21.
    GU Chen, HE Jin, LI Hongtao, et al. Target localization using MIMO electromagnetic vector array systems[J]. Signal Processing, 2013, 93(7): 2103–2107. doi: 10.1016/j.sigpro.2013.02.005
    邵華, 蘇衛(wèi)民, 顧紅, 等. 基于稀疏互質(zhì)電磁矢量陣列的MUSIC算法[J]. 電子與信息學報, 2012, 34(9): 2033–2038. doi: 10.3724/SP.J.1146.2012.00021

    SHAO Hua, SU Weimin, GU Hong, et al. MUSIC algorithm based on sparse coprime electromagnetic vector arrays[J]. Journal of Electronics &Information Technology, 2012, 34(9): 2033–2038. doi: 10.3724/SP.J.1146.2012.00021
    LUO Feng and XIN Yuan. Enhanced “vector-cross-product” direction-finding using a constrained sparse triangular-array[J]. EURASIP Journal on Advances in Signal Processing, 2012, 2012(1): 115–126. doi: 10.1186/1687-6180-2012-115
    YUAN Xin, WONG K T, and AGRAWAL K. Polarization estimation with a dipole-dipole pair, a dipole-loop pair, or a loop-loop pair of various orientations[J]. IEEE Transactions on Antennas and Propagation, 2012, 60(5): 2442–2452. doi: 10.1109/TAP.2012.2189740
    YUAN Xin, WONG K T, XU Zixin, et al. Various compositions to form a triad of collocated dipoles/loops, for direction finding and polarization estimation[J]. IEEE Sensors Journal, 2012, 12(6): 1763–1771. doi: 10.1109/JSEN.2011.2179532
    GONG X F, LIU Z W, and XU Y G. Regularised parallel factor analysis for the estimation of direction-of-arrival and polarisation with a single electromagnetic vector-sensor[J]. IET Signal Processing, 2011, 5(4): 390–396. doi: 10.1049/iet-spr.2009.0221
    CHINTAGUNTA S and PONNUSAMY P. 2D-DOD and 2D-DOA estimation using the electromagnetic vector sensors[J]. Signal Processing, 2018, 147: 163–172. doi: 10.1016/j.sigpro.2018.01.025
    CHINTAGUNTA S and PONNUSAMY P. Integrated polarisation and diversity smoothing algorithm for DOD and DOA estimation of coherent targets[J]. IET Signal Processing, 2018, 12(4): 447–453. doi: 10.1049/iet-spr.2017.0276
    WONG K T and YUAN Xin. “Vector cross-product direction-finding” with an electromagnetic vector-sensor of six orthogonally oriented but spatially noncollocating dipoles/loops[J]. IEEE Transactions on Signal Processing, 2011, 59(1): 160–171. doi: 10.1109/TSP.2010.2084085
    鄭桂妹, 陳伯孝, 楊明磊. 新型拉伸電磁矢量傳感器的兩維高精度波達方向估計[J]. 系統(tǒng)工程與電子技術(shù), 2014, 36(7): 1282–1290. doi: 10.3969/j.issn.1001-506X.2014.07.10

    ZHENG Guimei, CHEN Baixiao, and YANG Minglei. High accuracy 2D DOA estimation with a novel spatially spread electromagnetic vector-sensor[J]. Systems Engineering and Electronics, 2014, 36(7): 1282–1290. doi: 10.3969/j.issn.1001-506X.2014.07.10
    YUAN Xin. Spatially spread dipole/loop quads/quints: For direction finding and polarization estimation[J]. IEEE Antennas and Wireless Propagation Letters, 2013, 12: 1081–1084. doi: 10.1109/LAWP.2013.2280584
    GONG Xiaofeng, JIANG Jiacheng, LI Hui, et al. Spatially spread dipole/loop quint for vector-cross-product-based direction finding and polarisation estimation[J]. IET Signal Processing, 2018, 12(5): 636–642. doi: 10.1049/iet-spr.2017.0232
    ZHENG Guimei. Two-Dimensional DOA estimation for polarization sensitive array consisted of spatially spread crossed-dipole[J]. IEEE Sensors Journal, 2018, 18(12): 5014–5023. doi: 10.1109/jsen.2018.2820168
    司偉建, 周炯賽, 曲志昱. 稀疏極化敏感陣列的波達方向和極化參數(shù)聯(lián)合估計[J]. 電子與信息學報, 2016, 38(5): 1129–1134. doi: 10.11999/JEIT150840

    SI Weijian, ZHOU Jiongsai, and QU Zhiyu. Joint DOA and polarization estimation with sparsely distributed polarization sensitive array[J]. Journal of Electronics &Information Technology, 2016, 38(5): 1129–1134. doi: 10.11999/JEIT150840
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出版歷程
  • 收稿日期:  2019-04-03
  • 修回日期:  2019-12-10
  • 網(wǎng)絡(luò)出版日期:  2020-01-07
  • 刊出日期:  2020-06-04

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