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基于SαS分布的高斯化處理研究

王平波 代振 衛(wèi)紅凱

王平波, 代振, 衛(wèi)紅凱. 基于SαS分布的高斯化處理研究[J]. 電子與信息學(xué)報, 2020, 42(9): 2239-2245. doi: 10.11999/JEIT190539
引用本文: 王平波, 代振, 衛(wèi)紅凱. 基于SαS分布的高斯化處理研究[J]. 電子與信息學(xué)報, 2020, 42(9): 2239-2245. doi: 10.11999/JEIT190539
Pingbo WANG, Zhen DAI, Hongkai WEI. Study of Gaussianization Processing Based on Symmetric Alpha-stable Distribution Modeling[J]. Journal of Electronics & Information Technology, 2020, 42(9): 2239-2245. doi: 10.11999/JEIT190539
Citation: Pingbo WANG, Zhen DAI, Hongkai WEI. Study of Gaussianization Processing Based on Symmetric Alpha-stable Distribution Modeling[J]. Journal of Electronics & Information Technology, 2020, 42(9): 2239-2245. doi: 10.11999/JEIT190539

基于SαS分布的高斯化處理研究

doi: 10.11999/JEIT190539
詳細(xì)信息
    作者簡介:

    王平波:男,1976年生,博士生導(dǎo)師,研究方向為水聲信號處理、聲吶作戰(zhàn)使用等

    通訊作者:

    代振 1663548598@qq.com

  • 中圖分類號: TN911.7

Study of Gaussianization Processing Based on Symmetric Alpha-stable Distribution Modeling

  • 摘要: 針對非高斯背景干擾下的弱信號檢測需求,在綜述高斯化處理與擴(kuò)展匹配濾波概念及思路的基礎(chǔ)上,該文提出了兩種基于對稱α穩(wěn)定分布建模的高斯化處理方法,構(gòu)建了相應(yīng)的擴(kuò)展匹配濾波檢測器,并對比早先建立的混合高斯分布下的高斯化處理,對其高斯化效果、對應(yīng)檢測性能、運(yùn)行速度等進(jìn)行了仿真研究。研究表明,高斯化處理可以降低背景干擾的非高斯性,從而提高后續(xù)匹配濾波的檢測性能;基于對稱α穩(wěn)定分布的高斯化處理,在保持性能的同時,具有更高的運(yùn)行效率。
  • 圖  1  不同非高斯情形下的Ugm濾波響應(yīng)

    圖  2  不同非高斯情形下的Ua濾波響應(yīng)

    圖  3  不同非高斯情形下的Ugc濾波響應(yīng)

    圖  4  EMF檢測器構(gòu)成

    圖  5  各U濾波輸出數(shù)據(jù)及其高斯型檢驗

    圖  6  各EMF檢測輸出

    圖  7  各種檢測的ROC曲線

    表  1  各EMF運(yùn)行時間統(tǒng)計比較(基于1000次檢測)

    CMFEMF-UaEMF-UgcEMF-Ugm
    均值 (ms)0.37461.46990.411260.0990
    方差 (ms2)0.00140.00390.001243.6956
    下載: 導(dǎo)出CSV
  • 王平波. 主動聲納非高斯信號處理技術(shù)研究[D]. 海軍工程大學(xué), 2006.

    WANG Pingbo. Study on non-Gaussian signal processing in active sonar[D]. Naval University of Engineering, 2006.
    羅忠濤, 盧鵬, 張楊勇, 等. 大氣噪聲幅度分布與抑制處理分析[J]. 系統(tǒng)工程與電子技術(shù), 2018, 40(7): 1443–1448. doi: 10.3969/j.issn.1001-506X.2018.07.05

    LUO Zhongtao, LU Peng, ZHANG Yangyong, et al. Analysis on amplitude distribution and suppression tech-niques of atmospheric noise[J]. Systems Engineering and Electronics, 2018, 40(7): 1443–1448. doi: 10.3969/j.issn.1001-506X.2018.07.05
    王平波, 蔡志明. 有色非高斯背景下微弱信號的Rao有效績檢驗[J]. 電子學(xué)報, 2007, 35(3): 534–538. doi: 10.3321/j.issn:0372-2112.2007.03.031

    WNAG Pingbo and CAI Zhiming. The Rao efficient scores test of weak signals in colored non-Gaussian back-ground[J]. Acta Electronica Sinica, 2007, 35(3): 534–538. doi: 10.3321/j.issn:0372-2112.2007.03.031
    王平波, 蔡志明. 主動信號檢測中干擾背景的高斯化處理[J]. 數(shù)據(jù)采集與處理, 2006, 21(4): 413–417. doi: 10.3969/j.issn.1004-9037.2006.04.008

    WANG Pingbo and CAI Zhiming. Gaussianization for background interference in active signal detection[J]. Journal of Data Acquisition &Processing, 2006, 21(4): 413–417. doi: 10.3969/j.issn.1004-9037.2006.04.008
    SHAO M and NIKIAS C L. Signal processing with frac-tional lower order moments: Stable processes and their applications[J]. Proceedings of the IEEE, 1993, 81(7): 986–1010. doi: 10.1109/5.231338
    RUPI M, TSAKALIDES P, and NIKIAS C L. Robust constant modulus array based on fractional lower order statistics [C]. IEEE International Conference on Acoustics, Speech, and Signal Processing, 1999, 5: 2945–2948. doi: 10.1109/ ICASSP.1999.761380.
    WANG Pingbo, WEI Hongkai, HU Jinhua, et al. An adaptive beamforming algorithm for underwater acoustic signal based on α-stable distribution[C]. 2014 IEEE Workshop on Electronics, Computer and Ap-plications, Ottawa, Canada, 2014: 657–659. doi: 10.1109/IWECA.2014.6845705.
    ZHANG Guoyong, WANG Jun, YANG Guosheng, et al. Nonlinear processing for correlation detection in symmetric Alpha-stable noise[J]. IEEE Signal Processing Letters, 2018, 25(1): 120–124. doi: 10.1109/LSP.2017.2776317
    孟慶松, 王彬, 邵高平. α穩(wěn)定分布噪聲下水聲線性調(diào)頻信號的識別[J]. 系統(tǒng)工程與電子技術(shù), 2018, 40(7): 1449–1456. doi: 10.3969/j.issn.1001-506X.2018.07.06

    MENG Qingsong, WANG Bing, and SHAO Gaoping. Recognition of underwater acoustic linear frequency mod-ulation signals in α stable distribution noise[J]. Systems Engineering and Electronics, 2018, 40(7): 1449–1456. doi: 10.3969/j.issn.1001-506X.2018.07.06
    彭成. 基于分?jǐn)?shù)低階統(tǒng)計量的非高信號處理技術(shù)研究[D]. 海軍工程大學(xué), 2014.

    PENG Cheng. Study on non-Gaussian signal processing based on fractional lower order statistics[D]. Naval Uni-versity of Engineering, 2014.
    王余, 王本猛, 衛(wèi)紅凱, 等. 對稱α穩(wěn)定分布特性及其參數(shù)估計方法研究[J]. 艦船電子工程, 2017, 37(4): 116–121. doi: 10.3969/j.issn.1672-9730.2017.04.029

    WANG Yu, WANG Benmeng, WEI Hongkai, et al. Sym-metrical alpha stable distribution and its parameter estima-tion method[J]. Ship Electronic Engineering, 2017, 37(4): 116–121. doi: 10.3969/j.issn.1672-9730.2017.04.029
    LI X T, SUN J, JIN L W, et al. Bi-parameter CGM model for approximation of α-stable PDF[J]. Electronics Letters, 2008, 44(18): 1096–1097. doi: 10.1049/el:20080955
    LI Xutao, JIN Lianwen, and WANG Shouyong. A simpli-fied non-gaussian mixture model for signal LO detection in a-stable interference[C]. 2008 Congress on Image and Signal Processing, Sanya, China, 2008: 403–407. doi: 10.1109/CISP.2008.89.
    李旭濤, 王首勇. α穩(wěn)定噪聲中基于雙參數(shù)CGM模型的Rao檢測[J]. 電子學(xué)報, 2011, 39(9): 2014–2018.

    LI Xutao and WANG Shouyong. BCGM based Rao detec-tion in α-stable noise[J]. Acta Electronica Sinica, 2011, 39(9): 2014–2018.
    LI Xutao, SUN Jun, WANG Shouyong, et al. Near-optimal detection with constant false alarm ratio in varying impulsive interference[J]. IET Signal Processing, 2013, 7(9): 824–832. doi: 10.1049/iet-spr.2013.0024
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出版歷程
  • 收稿日期:  2019-07-17
  • 修回日期:  2020-04-20
  • 網(wǎng)絡(luò)出版日期:  2020-04-30
  • 刊出日期:  2020-09-27

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