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Alpha穩(wěn)定分布噪聲下基于柯西分布的相位鍵控信號(hào)碼速率最大似然估計(jì)

金艷 朱敏 姬紅兵

金艷, 朱敏, 姬紅兵. Alpha穩(wěn)定分布噪聲下基于柯西分布的相位鍵控信號(hào)碼速率最大似然估計(jì)[J]. 電子與信息學(xué)報(bào), 2015, 37(6): 1323-1329. doi: 10.11999/JEIT141180
引用本文: 金艷, 朱敏, 姬紅兵. Alpha穩(wěn)定分布噪聲下基于柯西分布的相位鍵控信號(hào)碼速率最大似然估計(jì)[J]. 電子與信息學(xué)報(bào), 2015, 37(6): 1323-1329. doi: 10.11999/JEIT141180
Jin Yan, Zhu Min, Ji Hong-bing. Cauchy Distribution Based Maximum-likelihood Estimator for Symbol Rate of Phase Shift Keying Signals[J]. Journal of Electronics & Information Technology, 2015, 37(6): 1323-1329. doi: 10.11999/JEIT141180
Citation: Jin Yan, Zhu Min, Ji Hong-bing. Cauchy Distribution Based Maximum-likelihood Estimator for Symbol Rate of Phase Shift Keying Signals[J]. Journal of Electronics & Information Technology, 2015, 37(6): 1323-1329. doi: 10.11999/JEIT141180

Alpha穩(wěn)定分布噪聲下基于柯西分布的相位鍵控信號(hào)碼速率最大似然估計(jì)

doi: 10.11999/JEIT141180
基金項(xiàng)目: 

國(guó)家自然科學(xué)基金(61201286),陜西省自然科學(xué)基金(2014JM8304)和中央高?;究蒲袠I(yè)務(wù)費(fèi)專項(xiàng)資金(K5051202013)資助課題

Cauchy Distribution Based Maximum-likelihood Estimator for Symbol Rate of Phase Shift Keying Signals

  • 摘要: 針對(duì)現(xiàn)有的相位鍵控(PSK)編碼信號(hào)碼速率估計(jì)方法在Alpha穩(wěn)定分布中性能嚴(yán)重退化的問題,該文提出一種基于柯西分布的碼速率最大似然估計(jì)(CMLE)新方法,該方法可同時(shí)估計(jì)碼速率與定時(shí)偏差。CMLE利用窗口法將信號(hào)劃分為定時(shí)偏差窗和多個(gè)寬度一定的非重疊且已同步的時(shí)域窗,每個(gè)窗只包含一個(gè)碼元符號(hào);在Alpha穩(wěn)定分布噪聲下,利用窗中符號(hào)信息構(gòu)造了基于柯西分布的似然函數(shù),可同時(shí)獲得定時(shí)偏差窗寬與碼元符號(hào)窗寬的最大似然估計(jì)。仿真結(jié)果表明,該方法能有效抑制Alpha穩(wěn)定分布噪聲并具有良好的參數(shù)估計(jì)性能。
  • 曾維貴, 孫迎豐, 胥輝旗, 等. 準(zhǔn)連續(xù)波體制雷達(dá)波形設(shè)計(jì)與參數(shù)選擇[J]. 系統(tǒng)工程與電子技術(shù), 2013, 35(3): 517-521.
    Zeng Wei-gui, Sun Ying-feng, Xu Hui-qi, et al.. Waveform design and parameter calculation for quasi-continuous wave radar system[J]. System Engineering and Electronics, 2013, 35(3): 517-521.
    Tsakalides P and Nikias C L. Maximum likelihood localization of sources in noise modeled as a stable process[J]. IEEE Transactions on Signal Processing, 1995, 43(11): 2700-2713.
    Pelekanakis K and Chitre M. Adaptive sparse channel estimation under symmetric alpha-stable noise[J]. IEEE Transactions on Signal Wireless Communications, 2014, 13(6): 3183-3195.
    Francois-Xavier S, Dominique P, and Mathieu D. On symmetric alpha-stable noise after short-time Fourier transform[J]. IEEE Signal Processing Letters, 2013, 20(5): 455-458.
    張?zhí)祢U, 楊柳飛, 代少升, 等. DS信號(hào)偽碼周期及碼片速率估計(jì)的自相關(guān)法[J]. 航天電子對(duì)抗, 2007, 23(4): 53-57.
    Liu Tian-qi, Yang Liu-fei, Dai Shao-sheng, et al.. Estimation of period and chip rate of pseudo-noise sequence for direct sequence spread spectrum signals using correlation techniques[J]. Aerospace Electronic Warfare, 2007, 23(4): 53-57.
    張籽兵, 李立萍, 肖先賜. MPSK信號(hào)的循環(huán)譜檢測(cè)及碼元速率估計(jì)[J]. 系統(tǒng)工程與電子技術(shù), 2005, 27(5): 804-806.
    Zhang Zi-bing, Li Li-ping, and Xiao Xian-ci. Detection and chip rate estimation of MPSK signals based on cyclic spectrum density[J]. System Engineering and Electronics, 2005, 27(5): 804-806.
    金艷, 姬紅兵, 羅軍輝. 一種基于循環(huán)統(tǒng)計(jì)量的直擴(kuò)信號(hào)檢測(cè)與參數(shù)估計(jì)方法[J]. 電子學(xué)報(bào), 2006, 34(4): 634-637.
    Jin Yan, Ji Hong-bing, and Luo Jun-hui. A cyclic-cumulant based method for DS-SS signal detection and parameter estimation[J]. Acta Electronica Sinica, 2006, 34(4): 634-637.
    付琴琴. 相位編碼信號(hào)的參數(shù)估計(jì)[D]. [碩士論文], 西安電子科技大學(xué), 2012: 39-41.
    Fu Qin-qin. Parameter estimation of phase-coded signals[D]. [Master dissertation], Xidian University, 2012: 39-41.
    Wang Long, Zhang Geng-xin, Bian Dong-ming, et al.. Blind symbol rate estimation of satellite communication signal by Haar wavelet transform[J]. Journal of Electronics (China), 2011, 28(2): 199-203.
    Carlos M, Sandro S, and Lopez-Valcarce R, Non-data-aided symbol rate estimation of linearly modulated signals[J]. IEEE Transactions on Signal Processing, 2008, 56(2): 664-674.
    張佳芬, 和小冬, 唐斌. 偽碼-線性調(diào)頻信號(hào)快速參數(shù)估計(jì)[J]. 電訊技術(shù), 2009, 49(12): 100-103.
    Zhang Jia-fen, He Xiao-dong, and Tang Bin. A fast parameter estimation approach for multiplicative signal combined PRBC and LFM[J]. Telecommunication Engineering, 2009, 49(12): 100-103.
    趙新明. Alpha穩(wěn)定分布噪聲下調(diào)頻信號(hào)參數(shù)估計(jì)研究[D]. [碩士論文], 西安電子科技大學(xué),2014: 10-14.
    Zhao Xin-ming. Research on parameter estimation of
    frequency-hopping signals in alpha stable noise[D]. [Master dissertation], Xidian University, 2014: 10-14.
    楊少兵, 吳命利. 基于廣義柯西分布的系統(tǒng)側(cè)諧波阻抗估計(jì)[J]. 中國(guó)電機(jī)工程學(xué)報(bào), 2014, 34(7): 1159-1166.
    Yang Shao-bing and Wu Ming-li. An assessment method of power system harmonic impedance based on generalized Cauchy distribution[J]. Proceedings of Chinese Society for Electrical Engineering. 2014, 34(7): 1159-1166.
    Gonzalez J G and Arce G R. Optimality of the myriad filter in practical impulsive-noise environments[J]. IEEE Transactions on Signal Processing, 2001, 49(2): 438-441.
    趙新明, 金艷, 姬紅兵. 穩(wěn)定分布噪聲下基于Merid濾波的跳頻信號(hào)參數(shù)估計(jì)[J]. 電子與信息學(xué)報(bào), 2014, 36(8): 1878-1883.
    Zhao Xin-ming, Jin Yan, and Ji Hong-bing. Parameter estimation of frequency-hopping signals based on Merid filter in stable noise environment[J]. Journal of Electronics Information Technology, 2014, 36(8): 1878-1883.
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出版歷程
  • 收稿日期:  2014-09-10
  • 修回日期:  2014-12-25
  • 刊出日期:  2015-06-19

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