一级黄色片免费播放|中国黄色视频播放片|日本三级a|可以直接考播黄片影视免费一级毛片

高級(jí)搜索

留言板

尊敬的讀者、作者、審稿人, 關(guān)于本刊的投稿、審稿、編輯和出版的任何問題, 您可以本頁添加留言。我們將盡快給您答復(fù)。謝謝您的支持!

姓名
郵箱
手機(jī)號(hào)碼
標(biāo)題
留言內(nèi)容
驗(yàn)證碼

基于二階統(tǒng)計(jì)量盲源分離算法的無源雷達(dá)同頻干擾抑制研究

呂曉德 孫正豪 劉忠勝 張漢良 劉平羽

呂曉德, 孫正豪, 劉忠勝, 張漢良, 劉平羽. 基于二階統(tǒng)計(jì)量盲源分離算法的無源雷達(dá)同頻干擾抑制研究[J]. 電子與信息學(xué)報(bào), 2020, 42(5): 1288-1296. doi: 10.11999/JEIT190178
引用本文: 呂曉德, 孫正豪, 劉忠勝, 張漢良, 劉平羽. 基于二階統(tǒng)計(jì)量盲源分離算法的無源雷達(dá)同頻干擾抑制研究[J]. 電子與信息學(xué)報(bào), 2020, 42(5): 1288-1296. doi: 10.11999/JEIT190178
Xiaode Lü, Zhenghao SUN, Zhongsheng LIU, Hanliang ZHANG, Pingyu LIU. Research on Suppressing Co-channel Interference of Passive Radar Based on Blind Source Separation Using Second Order Statistics[J]. Journal of Electronics & Information Technology, 2020, 42(5): 1288-1296. doi: 10.11999/JEIT190178
Citation: Xiaode Lü, Zhenghao SUN, Zhongsheng LIU, Hanliang ZHANG, Pingyu LIU. Research on Suppressing Co-channel Interference of Passive Radar Based on Blind Source Separation Using Second Order Statistics[J]. Journal of Electronics & Information Technology, 2020, 42(5): 1288-1296. doi: 10.11999/JEIT190178

基于二階統(tǒng)計(jì)量盲源分離算法的無源雷達(dá)同頻干擾抑制研究

doi: 10.11999/JEIT190178
詳細(xì)信息
    作者簡介:

    呂曉德:男,1969年生,研究員,研究方向?yàn)榛陉嚵屑夹g(shù)的的新體制雷達(dá)系統(tǒng)及其應(yīng)用

    孫正豪:男,1995年生,碩士生,研究方向?yàn)闊o源雷達(dá)信號(hào)處理

    劉忠勝:男,1977年生,副研究員,研究方向?yàn)楦缮鍿AR信號(hào)處理

    張漢良:男,1993年生,碩士生,研究方向?yàn)榛贚TE信號(hào)的無源雷達(dá)信號(hào)處理

    劉平羽:男,1994年生,碩士生,研究方向?yàn)闊o源雷達(dá)信號(hào)處理

    通訊作者:

    孫正豪 sunzhenghao17@mails.ucas.ac.cn

  • 中圖分類號(hào): TN958.97

Research on Suppressing Co-channel Interference of Passive Radar Based on Blind Source Separation Using Second Order Statistics

  • 摘要:

    針對基于長期演進(jìn)(LTE)信號(hào)的無源雷達(dá)存在同頻基站干擾的問題,該文提出一種基于2階統(tǒng)計(jì)量的盲源分離算法,該算法是在卷積混合模型下,通過多通道最小均方(LMS)算法實(shí)現(xiàn)分離信號(hào)之間的相關(guān)性最小。由于各發(fā)射基站信號(hào)之間統(tǒng)計(jì)不相關(guān),當(dāng)分離信號(hào)之間的相關(guān)性達(dá)到最小時(shí),完成觀測信號(hào)的分離。在此基礎(chǔ)上,改進(jìn)了傳統(tǒng)無源雷達(dá)信號(hào)處理的流程,增加了分離同頻干擾基站直達(dá)波和多徑雜波的步驟,實(shí)現(xiàn)了對同頻干擾基站雜波的抑制。通過仿真分析,驗(yàn)證了算法的有效性,為基于LTE信號(hào)的無源雷達(dá)數(shù)據(jù)處理提供了參考。

  • 圖  1  盲源分離模型結(jié)構(gòu)圖

    圖  2  信號(hào)卷積混合濾波器模型

    圖  3  信號(hào)后向分離濾波器模型

    圖  4  i個(gè)通道的分離系統(tǒng)示意圖

    圖  5  無源雷達(dá)信號(hào)處理流程圖

    圖  6  傳統(tǒng)無源雷達(dá)雜波對消能量對比圖

    圖  7  觀測信號(hào)與源信號(hào)的散點(diǎn)圖

    圖  8  傳統(tǒng)處理流程后的互模糊距離剖面圖

    圖  9  分離信號(hào)與源信號(hào)散點(diǎn)圖

    圖  10  對消能量比較圖

    圖  11  改進(jìn)的處理流程后的互模糊距離剖面圖

    圖  12  噪聲對雜波對消比的影響

    表  1  多通道LMS算法總結(jié)

     參數(shù):$N$= 源數(shù)目,$M$= 觀測信號(hào)數(shù)目
        一般假設(shè)$N = M$
        ${K_i}$= 分離濾波器階數(shù),$i = 1,2, ··· ,N$
        ${\mu _{ij}}$= 步長,$i,j = 1,2, ··· ,N$,且$i \ne j$
     輸入:${x_i}\left( t \right) = $觀測信號(hào),$i = 1,2, ··· ,N$
     初始化:${ {{W} }_{ {{ij} } } }\left( 0 \right) = { {{{\textit{0}}} }_{ {{Kj} } } }$, $i,j = 1,2, ··· ,N$,且$i \ne j$
         ${ {{Y} }_i}\left( t \right) = { {{{\textit{0}}} }_{Ki} }$, $i = 1,2, ··· ,N$
         ${K_i}$選取$K \ge \max \left\{ {{K_i},i = 1,2, ··· ,N} \right\}$
         ${\mu _{ij}}$根據(jù)輸入數(shù)據(jù)進(jìn)行調(diào)整
     計(jì)算:對$t = 1,2, ··· $,迭代計(jì)算:
        ${y_i}\left( t \right) = {x_i}\left( t \right) - \displaystyle\sum\nolimits_{j \ne i,j = 1}^N { {{W} }_{ij}^{\rm{T} }\left( {t - 1} \right){ {{Y} }_j}\left( t \right)} $
        ${{{W}}_{ij}}\left( t \right) = {{{W}}_{ij}}\left( {t - 1} \right) + {\mu _{ij}}{y_i}\left( t \right){{{Y}}_j}\left( t \right)$
        ${{{Y}}_i}\left( t \right) = {\left[ {{y_i}\left( {t - 1} \right),{y_i}\left( {t - 2} \right), ··· ,{y_i}\left( {t - {K_i}} \right)} \right]^{\rm{T}}}$
        $i,j = 1,2, ··· ,N,i \ne j$
     終止條件:前后兩次分離信號(hào)之間相關(guān)性系數(shù)的變化量小于所設(shè)
          的誤差門限
     輸出:${y_i}\left( t \right) = $分離信號(hào),$i = 1,2, ··· ,N$
    下載: 導(dǎo)出CSV

    表  2  回波通道1仿真參數(shù)

    主基站信號(hào)同頻干擾基站信號(hào)
    時(shí)延(μs)衰減(dB)時(shí)延(μs)衰減(dB)
    直達(dá)波000.07–1
    多徑10.13–80.20–9
    多徑20.29–110.36–12
    多徑30.42–150.59–15
    弱多徑0.16~1.95–20~>–300.16~1.95–20~>–30
    目標(biāo)111.39–30
    目標(biāo)217.15–37
    下載: 導(dǎo)出CSV

    表  3  回波通道2仿真參數(shù)

    主基站信號(hào)同頻干擾基站信號(hào)
    時(shí)延(μs)衰減(dB)時(shí)延(μs)衰減(dB)
    直達(dá)波0.03–20–1
    多徑10.19–80.16–9
    多徑20.35–140.36–13
    多徑30.46–190.49–14
    弱多徑0.16~1.95–20~–300.16~1.95–20~–30
    下載: 導(dǎo)出CSV
  • GRIFFITHS H D and BAKER C J. Passive coherent location radar systems. Part 1: Performance prediction[J]. IEE Proceedings-Radar, Sonar and Navigation, 2005, 152(3): 153–159. doi: 10.1049/ip-rsn:20045082
    OLSEN K E and ASEN W. Bridging the gap between civilian and military passive radar[J]. IEEE Aerospace and Electronic Systems Magazine, 2017, 32(2): 4–12. doi: 10.1109/MAES.2017.160030
    CUI Haixia, LEUNG V C M, LI Shaoqian, et al. LTE in the unlicensed band: Overview, challenges, and opportunities[J]. IEEE Wireless Communications, 2017, 24(4): 99–105. doi: 10.1109/MWC.2016.1600031WC
    SALAH A A, ABDULLAH R S A R, ISMAIL A, et al. Feasibility study of LTE signal as a new illuminators of opportunity for passive radar applications[C]. 2013 IEEE International RF and Microwave Conference, Penang, Malaysia, 2013: 258–262.
    SALAH A A, Abdullah R S A R, ISMAIL A, et al. Experimental study of LTE signals as illuminators of opportunity for passive bistatic radar applications[J]. Electronics Letters, 2014, 50(7): 545–547. doi: 10.1049/el.2014.0237
    ABDULLAH R S A R, AZIZ N H A, RASHID N E A, et al. Analysis on target detection and classification in LTE based passive forward scattering radar[J]. Sensors, 2016, 16(10): 1607. doi: 10.3390/s16101607
    DAN Yangpeng, WAN Xianrong, YI Jianxin, et al. Ambiguity function analysis of Long Term Evolution transmission for passive radar[C]. The 12th International Symposium on Antennas, Propagation and EM theory, Hangzhou, China, 2018: 1–4.
    王本靜, 易建新, 萬顯榮, 等. LTE外輻射源雷達(dá)幀間模糊帶分析與抑制[J]. 雷達(dá)學(xué)報(bào), 2018, 7(4): 514–522. doi: 10.12000/JR18025

    WANG Benjing, YI Jianxin, WAN Xianrong, et al. Inter-frame ambiguity analysis and suppression of LTE signal for passive radar[J]. Journal of Radars, 2018, 7(4): 514–522. doi: 10.12000/JR18025
    呂曉德, 張漢良, 楊璟茂, 等. 基于LTE信號(hào)的外輻射源雷達(dá)副峰特性及抑制方法研究[J]. 電子與信息學(xué)報(bào), 2018, 40(10): 2498–2505. doi: 10.11999/JEIT180019

    Lü Xiaode, ZHANG Hanliang, YANG Jingmao, et al. Research on characteristics and suppression methods of side peaks of passive radar based on LTE signal[J]. Journal of Electronics &Information Technology, 2018, 40(10): 2498–2505. doi: 10.11999/JEIT180019
    王海濤. 外輻射源雷達(dá)信號(hào)處理若干問題研究[D]. [博士論文], 西安電子科技大學(xué), 2013.

    WANG Haitao. Study on some issues of signal processing for passive bistatic radar[D]. [Ph.D. dissertation], Xidian University, 2013.
    張良俊, 楊杰, 盧開旺. GSM輻射源雷達(dá)干擾抑制技術(shù)[J]. 電子學(xué)報(bào), 2014, 42(9): 1852–1856.

    ZHANG Liangjun, YANG Jie, and LU Kaiwang. Clutter suppression technique in GSM based passive bistatic radar[J]. Acta Electronica Sinica, 2014, 42(9): 1852–1856.
    陳剛, 王俊, 王玨, 等. GSM信號(hào)外輻射源雷達(dá)同頻干擾抑制方法[J]. 西安電子科技大學(xué)學(xué)報(bào): 自然科學(xué)版, 2017, 44(6): 37–42.

    CHEN Gang, WANG Jun, WANG Jue, et al. Method of co-channel interference cancellation for the GSM based PBR[J]. Journal of Xidian University:Natural Science, 2017, 44(6): 37–42.
    WANG Shuzhao, JIN Guibin, JIN Guimei, et al. Method to remove the interference in reflected wave of passive radar based on the improved FastICA[C]. The 2009 9th International Conference on Electronic Measurement & Instruments, Beijing, China, 2009: 4-24–4-30.
    YOU Hong, YU Wenzhen, and YOU Hong. Co-channel interference restraining for passive radar with illuminators of opportunity based on ICA[C]. 2011 IEEE International Conference on Signal Processing, Communications and Computing, Xi'an, China, 2011: 1–3.
    陳希信, 王峰, 龍偉軍. 基于獨(dú)立成分分析的外輻射源雷達(dá)同頻干擾抑制[J]. 中國電子科學(xué)研究院學(xué)報(bào), 2015, 10(1): 75–77.

    CHEN Xixin, WANG Feng, and LONG Weijun. Co-channel interference suppression for passive radar based on independent component analysis[J]. Journal of China Academy of Electronics and Information Technology, 2015, 10(1): 75–77.
    GUO Shuai, WANG Jun, CHEN Gang, et al. Mainlobe interference suppression based on independent component analysis in passive bistatic radar[J]. IET Signal Processing, 2018, 12(9): 1193–1201. doi: 10.1049/iet-spr.2018.5198
    梅鐵民. 盲源分離理論與算法[M]. 西安: 西安電子科技大學(xué)出版社, 2013: 105–116.

    MEI Tiemin. Theory and Algorithms of Blind Source Separation[M]. Beijing: Xidian University Press, 2013: 105–116.
    CHENG Guanghui, WANG Leijie, and WANG Zhuande. A nonorthogonal joint block diagonalization algorithm avoiding degenerate solutions[J]. Chinese Journal of Electronics, 2017, 26(2): 331–335. doi: 10.1049/cje.2016.11.009
    YANG Liu, XIANG Yong, and PENG Dezhong. Precoding-based blind separation of MIMO FIR mixtures[J]. IEEE Access, 2017, 5: 12417–12427. doi: 10.1109/ACCESS.2017.2720578
    JARBOUI L, DEVILLE Y, HOSSEINI S, et al. A second-order blind source separation method for bilinear mixtures[J]. Multidimensional Systems and Signal Processing, 2018, 29(3): 153–1172.
    LI Jichuan, ZHAO Yaodong, ZHAO Yongke, et al. Direct path wave purification for passive radar with normalized least mean square algorithm[C]. 2013 IEEE International Conference on Signal Processing, Communication and Computing, Kunming, China, 2013: 1–4.
    陳剛, 王俊, 王玨, 等. 外輻射源雷達(dá)參考信號(hào)提純方法[J]. 系統(tǒng)工程與電子技術(shù), 2018, 40(1): 45–49. doi: 10.3969/j.issn.1001-506X.2018.01.07

    CHEN Gang, WANG Jun, WANG Jue, et al. Reference signal purifying method in passive bistatic radar[J]. Systems Engineering and Electronics, 2018, 40(1): 45–49. doi: 10.3969/j.issn.1001-506X.2018.01.07
    趙耀東, 呂曉德, 李紀(jì)傳, 等. 基于插值理論的分?jǐn)?shù)延遲雜波自適應(yīng)對消算法[J]. 系統(tǒng)工程與電子技術(shù), 2013, 35(7): 1409–1414.

    ZHAO Yaodong, Lü Xiaode, LI Jichuan, et al. Adaptive fractional-delay clutter cancellation algorithm based on interpolation theory[J]. Systems Engineering and Electronics, 2013, 35(7): 1409–1414.
    劉宇, 呂曉德, 楊鵬程. 一種無源雷達(dá)頻域擴(kuò)展相消批處理雜波對消算法[J]. 雷達(dá)學(xué)報(bào), 2016, 5(3): 293–301. doi: 10.12000/JR15098

    LIU Yu, LV Xiaode, and YANG Pengcheng. Batch version of extensive cancellation algorithm for clutter mitigation in frequency domain of passive radar[J]. Journal of Radars, 2016, 5(3): 293–301. doi: 10.12000/JR15098
    柴致海, 呂曉德, 楊鵬程, 等. 一種單頻網(wǎng)模式下無源雷達(dá)時(shí)域雜波對消算法[J]. 雷達(dá)科學(xué)與技術(shù), 2018, 16(1): 6–13.

    CHAI Zhihai, LYU Xiaode, YANG Pengcheng, et al. A time-domain clutter cancellation algorithm for passive radar in SFN[J]. Radar Science and Technology, 2018, 16(1): 6–13.
    YI Jianxin, WAN Xianrong, LI Deshi, et al. Robust clutter rejection in passive radar via generalized subband cancellation[J]. IEEE Transactions on Aerospace and Electronic Systems, 2018, 54(4): 1931–1946. doi: 10.1109/TAES.2018.2805228
  • 加載中
圖(12) / 表(3)
計(jì)量
  • 文章訪問數(shù):  3272
  • HTML全文瀏覽量:  1339
  • PDF下載量:  124
  • 被引次數(shù): 0
出版歷程
  • 收稿日期:  2019-03-25
  • 修回日期:  2019-11-25
  • 網(wǎng)絡(luò)出版日期:  2019-12-14
  • 刊出日期:  2020-06-04

目錄

    /

    返回文章
    返回