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X射线脉冲星累积轮廓建模及信号辨识

谢强 许录平 张华 罗楠

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X射线脉冲星累积轮廓建模及信号辨识

谢强, 许录平, 张华, 罗楠

Modeling of X-ray pulsar cumulation profile and signal identification

Xie Qiang, Xu Lu-Ping, Zhang Hua, Luo Nan
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  • 为减少X射线脉冲星信号辨识所需的观测时间, 提出一种基于轮廓光子分布统计量的辨识算法. 用该方法分析了观测数据按不同周期累积所获轮廓的光子分布差异, 按累积周期正确与否, 对轮廓进行分类建模. 基于两类轮廓模型, 研究了光子分布统计量的性质差异, 以此进行信号辨识. 利用罗西X射线时变探测器数据进行了辨识实验, 结果表明该算法有效地减少了辨识所需的观测时间, 且不存在误检问题.
    In order to reduce the observation time of X-ray pulsar signal identification, a new identification algorithm based on the photon distribution statistics is proposed. The influence of cumulation period variation on photons distribution is analyzed, according to whether the cumulation period is correct, two kinds of Poisson models are developed to characterize the cumulation profiles. The photon distribution statistics is constructed, and the difference of photon distribution statistics between two kinds of profiles is presented. Rossi X-ray timing explorer observation data is used for simulation, and the simulation result verifies the effectiveness of the suggested method.
    • 基金项目: 国家自然科学基金(批准号: 61172138)和国家高技术研究发展计划(批准号: 2007AA12Z323)资助的课题.
    • Funds: Project supported by the National Natural Science Foundation of China (Grant No. 61172138) and the National High Technology Research and Development Program of China (Grant No. 2007AA12Z323).
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    Emadzadeh A A, Speyer J L 2011 IEEE Trans. Contr. Syst. Technol. 19 1021

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    Yin H L, Yang G L, Wang Y Y, Zhang W H 2011 Remote Sensing, Environment and Transportation Engineering (RSETE), 2011 International Conference on Nanjing, Nanjing, China, June 24--26, 2011 6225

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    Qiao L, Liu J Y, Zheng G L, He L, Xiong Z 2008 Transducer and Microsystem Technologies 27 9 (in Chinese) [乔黎, 刘建业, 郑广楼, 贺亮, 熊智 2008 传感器与微系统 27 9]

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    Liu J, Ma J, Tian J W 2009 Information and Control 28 249 (in Chinese) [刘劲, 马杰, 田金文 2009 信息与控制 28 249]

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    Su Z, Wang Y, Xu L P, Luo N 2010 J. Astronautics 31 1563 (in Chinese) [苏哲, 王勇, 许录平, 罗楠 2010 宇航学报 31 1563]

    [12]

    Li J X 2008 Ph. D. Dissertation (Xi'an : Xi'an University of Technology) [李建勋 2008 博士学位论文 (西安: 西安理工大学)]

    [13]

    Wu H J, Zhao B S, Sheng L Z, Yan Q R 2011 Acta Phys. Sin. 60 029710 (in Chinese) [胡慧君, 赵宝升, 盛立志, 鄢秋荣 2011 物理学报 60 029710]

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  • [1]

    Zhong C X, Yang T G 2007 Acta Phys. Sin. 56 6157 (in Chinese) [仲崇霞, 杨廷高 2007 物理学报 56 6157]

    [2]

    Shuai P, Chen S L, Wu Y F, Zhang C Q, Li M 2007 J. Astronautics 28 1543 (in Chinese) [帅平, 陈绍龙, 吴一帆, 张春青, 李明 2007 宇航学报 28 1543]

    [3]

    Sheikhs I 2005 Ph. D. Dissertation (Maryland: Maryland University)

    [4]

    Emadzadeh A A, Speyer J L 2011 IEEE Trans. Contr. Syst. Technol. 19 1021

    [5]

    Yin H L, Yang G L, Wang Y Y, Zhang W H 2011 Remote Sensing, Environment and Transportation Engineering (RSETE), 2011 International Conference on Nanjing, Nanjing, China, June 24--26, 2011 6225

    [6]

    Qiao L, Liu J Y, Zheng G L, He L, Xiong Z 2008 Transducer and Microsystem Technologies 27 9 (in Chinese) [乔黎, 刘建业, 郑广楼, 贺亮, 熊智 2008 传感器与微系统 27 9]

    [7]

    Su Z, Xu L P, Wuang G Y 2009 J. Astronautics 30 2243 (in Chinese) [苏哲, 许录平, 王光耀 2009 宇航学报 30 2243]

    [8]

    Zhang H, Xu L P, Xie Q, Luo N 2011 Acta Phys. Sin. 60 049710 (in Chinese) [张华, 许录平, 谢强, 罗楠 2011 物理学报 60 049710]

    [9]

    Xie Z H, Xu L P, Ni G R, Wang Y 2007 J. Infrared Millim. Waves 26 187 (in Chinese) [谢振华, 许录平, 倪广仁, 王岩 2007 红外与毫米波学报 26 187]

    [10]

    Liu J, Ma J, Tian J W 2009 Information and Control 28 249 (in Chinese) [刘劲, 马杰, 田金文 2009 信息与控制 28 249]

    [11]

    Su Z, Wang Y, Xu L P, Luo N 2010 J. Astronautics 31 1563 (in Chinese) [苏哲, 王勇, 许录平, 罗楠 2010 宇航学报 31 1563]

    [12]

    Li J X 2008 Ph. D. Dissertation (Xi'an : Xi'an University of Technology) [李建勋 2008 博士学位论文 (西安: 西安理工大学)]

    [13]

    Wu H J, Zhao B S, Sheng L Z, Yan Q R 2011 Acta Phys. Sin. 60 029710 (in Chinese) [胡慧君, 赵宝升, 盛立志, 鄢秋荣 2011 物理学报 60 029710]

    [14]

    Emadzadeh A A, Speyer J L 2010 IEEE Trans. Sig. Proc. 58 4484

计量
  • 文章访问数:  6594
  • PDF下载量:  574
  • 被引次数: 0
出版历程
  • 收稿日期:  2011-08-24
  • 修回日期:  2012-06-05
  • 刊出日期:  2012-06-05

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