计算机科学 ›› 2013, Vol. 40 ›› Issue (Z6): 217-219.
赵文红,王巍
ZHAO Wen-hong and WANG Wei
摘要: AIS自动识别系统是国际船舶组织统一使用的一种海上船舶运输系统。船上的AIS设备定时地报告该船的位置、航向以及其他相关的安全信息等,其他船只和岸上的基站同时可以收到这些汇报信息。它通过船舶之间以及船舶和岸台之间交换航行信息,进一步加强航行安全。AIS采用SOTDMA技术来调配发送信息的时隙,但是信息冲突是不可避免的。引入盲源分离技术,一旦信息发生冲突,可以将信息分离出来,防止了信息的丢失,从而提高了信号的监测概率。
[1] 刘彤,吴建华,雷金平.AIS通信系统性能分析[J].交通科技,2004(4):134-136 [2] 常青.通用船载自动识别系统AIS的研究与实现[D].北京:清华大学,2004 [3] 张京娟,郝燕玲.AIS系统时隙预约选择算法的分析[J].哈尔滨工程大学学报,2002(5):52-56 [4] Hye G,Narheim B,Eriksen T,et al.EUCLID JP9.16:Space-Based AIS Reception for Ship Identification[M].FFI/RAPPORT-2004/01328(Restricted distribution,EUCLID PMOU),2004 [5] Eriksen T,Hye G,Narheim B,et al.Maritime traffic monitoring using a space-based AIS receiver[J].Acta Astronautica,2006(58):537-549 [6] Jutten C,Herault J.Blind separation of sources,Part 1:An adaptive algorithm based on neuromimetic architecture [J].Signal Processing,1991,24(1):1-10 [7] Hyvarinen A.Fast and robust fixed-point algorithms for independent component analysis [J].IEEE Transactions on Neural Networks,1999,10(3):626-634 [8] Hyvarinen A.The FastICA Matlab package.V2.5[CP/OL].http:// www.Arocmag.com,2005 [9] Yang H H,Amari S.Adaptive On-Line Learning Algorithms for Blind Separation-Maximum Entropy and Minimum Mutual Information[J].Neural Computation,1997,9(7):1457-1482 [10] Cardoso J F.Infomax and maximum likelihood for blind source separation [J].IEEE Signal Processing,1997,5(2):434-444 [11] Hyvarinen A.The fixed-point algorithm and maximum likeli-hood estimation for independent component analysis[J].Neural Processing Letters,1999,0(1):1-5 [12] Lee T,Girolami M,Bell A J,et al.A unifying information theoretic framework for independent component analysis[J].Computers & Mathematics with Applications,2003,31(11):1-21 [13] Eriksen T,Hoye G,Narheim B,et al.Maritime traffic monitoring using a space-based AIS receiver[J].Acta Astronautica,2006,8(10):537-549 |
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