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M元仿海豚叫声隐蔽水声通信

DOI: 10.3969/j.issn.1006-7043.201306016

Keywords: 水声通信, 隐蔽, 仿生, M元, RAKE接收机, 海豚

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Abstract:

针对水下通信隐蔽性需求,提出利用海洋中固有的海豚叫声实现隐蔽水声通信的方法。基于仿生学原理,将真实或模拟的海豚叫声信号应用于水声通信中,允许信号被检测,但在识别过程中被排除以达到隐蔽水声通信的效果。采用相关性良好的海豚嘀嗒声信号构成信号码样本库,信息调制在不同嘀嗒声信号的时延差上,采用M元技术提高通信速率,RAKE接收机技术实现仿生通信体制中的信道均衡。在湖试实验中,水平通信距离3 km,通信速率69 bit/s,误码率小于10????-4??,结果证实了该方法的有效性和可行性。

References

[1]  GEERT L,PAUL V W. Multiband OFDM for covert acoustic communications \[J\]. IEEE Journal on Selected Areas in Communications,2008,26:1662-1673. [2]GEERT L,PAUL V W,JEROEN B,et al. Covert underwater communications with multiband OFDM\[C\]//Oceans.Quebec City, Canada,2008:1-8.? [3]YANG T C,YANG W B. Low probability of detection underwater acoustic communications using direct?sequence spread spectrum \[J\]. Journal of the Acoustical Society of America,2008,124:3632-3647.? [4]YANG T C,YANG W B. Performance analysis of direct?sequence spread?spectrum underwater acoustic communications with low signal?to?noise?ratio input signals \[J\]. Journal of the Acoustical Society of America,2008,123:842-855.? [5]LING Jun,HE Hao,LI Jia. Covert underwater acoustic communications \[J\]. Journal of the Acoustical Society of America,2010,128:2898-2909. [6]LING Jun,HE Hao,LI Jian. Covert underwater acoustic communications:transceiver structures, waveform designs and associated performances \[C\]//Oceans 2010 MTS/IEEE Conferenc. Seattle, 2010:20-23. [7]LIU Songzuo,QIAO Gang,ISMAIL A. Covert underwater acoustic communication using dolphin sounds \[J\]. Journal of the Acoustical Society of America, 2013, 133(4): EL300-EL306. 【8]LIU Songzuo,QIAO Gang,ISMAIL A,et al. Covert underwater acoustic communication using whale noise masking on DSSS signal \[C\]//OCEANS 2013 MTS/IEEE Conferenc. Bergen, Norway,2013:1-6 .? [9]殷敬伟. 多途信道中Pattern时延差编码水声通信研究\[D\]. 哈尔滨:哈尔滨工程大学,2007:18-39.? YIN Jingwei. A study of pattern time delay shift coding communicationin underwater acoustic multipath channel \[D\]. Harbin:Harbin Engineering University,2007:18-39. [10]FINNERAN J J. Dolphin "packet" use during long?range echolocation tasks \[J\]. Journal of the Acoustical Society of America,2013,133(3):1796-1810. [11]牛富强,杨燕明,文洪涛,等.瓶鼻海豚的click声信号特性 \[J\]. 声学技术,2011(2):40-44.? NIU Fuqiang,YANG Yanming,WEN Hongtao,et al.Characteristics of bottlenose dolphins click signal \[J\]. Technical Acoustics,2011(2):40-44.? [12]惠俊英,刘丽,刘宏,等. Pattern时延差编码水声通信研究 \[J\]. 声学学报,1999,24(6):561-572.? HUI Junying,LIU Li,LIU Hong,et al. A study on pattern time delay coding underwater acoustic communication \[J\]. Acta Acoustic,1999,24(6):561-572.? [13]XU Xiaoka,ZHOU Shengli,MOROZOV A K,et al. Per?survivor processing for underwater acoustic communications with direct?sequence spread spectrum. \[J\]. Journal of Acoustical Society of America,2013,133:2746-2754.? [14]XU Xiaoka,WANG Zhaohui,ZHOU Shengli,et al. Parameterizing both path amplitude and delay variations of underwater acoustic channels for block decoding of orthogonal frequency division multiplexing \[J\]. Journal of Acoustical Society of America,2012,131:4672-4679.? [15]DONOHO D L. Compressed sensing \[J\]. Transactions on Information Theory,2006, 52(4):1289.? [16]COTTER S F,RAO B D. Sparse channel estimation via matching pursuit with application to equalization \[J\]. Transactions on Communications,2002,50:374-377.

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