基于无线传感器网络的地震信号特征提取方法研究
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摘要
为解决野外古墓葬安防网络中高采样率会缩短无线传感器网络寿命的问题,提出了使用功率谱二次处理对地震信号进行特征提取的方法.并通过三类地面活动数据采集进行对比识别实验,分析了低采样率条件下地震信号特征提取方法的性能.结果表明,使用功率谱二次分析的特征提取方法能够降低网络通信能耗,延长网络寿命,提高系统目标识别的准确性.该方法已应用于秦始皇兵马俑野外文物安防系统,经实践检验,收到了良好的效果.
In order to solve the problems of high sampling rate which could shorten the lifetime of wireless sensor networks in wild relics security system,the power spectrum reprocessing is applied to the feature extraction of seismic wave signal.This method is used to solve the target recognition problem,and three data sets are used to verify its effectiveness.The result shows that the power spectrum reprocessing can reduce the communication consumption and prolong the lifetime of networks.This method can also increase the accuracy of target classification.This method,indicating its good performance,had been applied to wild relics security system of Museum of the Terra-cotta Warriors and Horses of Qin Shihuang.
In order to solve the problems of high sampling rate which could shorten the lifetime of wireless sensor networks in wild relics security system,the power spectrum reprocessing is applied to the feature extraction of seismic wave signal.This method is used to solve the target recognition problem,and three data sets are used to verify its effectiveness.The result shows that the power spectrum reprocessing can reduce the communication consumption and prolong the lifetime of networks.This method can also increase the accuracy of target classification.This method,indicating its good performance,had been applied to wild relics security system of Museum of the Terra-cotta Warriors and Horses of Qin Shihuang.
引文
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[16]Deng Y,Shi W K,Liu Q2002Acta Phys.Sin.51759(in Chinese)[邓勇,施文康,刘琪2002物理学报51759]
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[18]Zhao H G,Shi H S,Tang H Y20094th IEEE Conference on Industrial Electronics and Applications Xi’an,May25-27,2009p3940
[2]Lin W,Chen X,Ye F Y2003South China Journal of Seismology2374(in Chinese)[林伟,陈杏,叶繁英2003华南地震2374]
[3]He Q D1988The Theory of Elastic Wave(Beijing:Geological Publish-ing House)p75(in Chinese)[何樵登1988地震波理论(北京:地质出版社)第75页]
[4]Shi Y B,Liu J,Wang L2007Chinese Journal of Sensors and Actuators20874(in Chinese)[石云波,刘俊,王玲2007传感技术学报20874]
[5]Sun J D,Jin S J,Sun J2009Acta Petrolei Sin.30465(in Chinese)[孙洁娣,靳世久,孙健2009石油学报30465]
[6]Nie W R,Zhu J N,Hou Y2000Journal of Detection&Control2219(in Chinese)[聂伟荣,朱继南,侯尧2000探测与控制学报2219]
[7]Zhang Z M,Li G T,Li K J2001Fire Control&Command Control2648(in Chinese)[张中民,李贵涛,李科杰2001火力与指挥控制2648]
[8]Zhu J N,Hou Y,Nie W R2000Journal of Ballistics1226(in Chinese)[朱继南,侯尧,聂伟荣2000弹道学报1226]
[9]Liu H,Yang J A,Wang Y2011Acta Phys.Sin.60074302(in Chinese)[刘辉,杨俊安,王一2011物理学报60074302]
[10]Qiao X G,Ding F,Jia Z A,Fu H W,Ying X D,Zhou R,Song J2011Acta Phys.Sin.60074221(in Chinese)[乔学光,丁峰,贾振安,傅海威,营旭东,周锐,宋娟2011物理学报60074221]
[11]Zhang T Q,Zhang Z,Lin X L,Quan J G2006Computer Engineering321(in Chinese)[张天琪,张站,林孝廉,权进国2006计算机工程321]
[12]Yin T N,Huai X L2008Chin.Phys.Lett.251004
[13]Deng K,Zhang L,Luo M K2010Chin.Phys.B19030506
[14]Gao G R,Liu Y P,Pan Q2012Acta Phys.Sin.61139701(in Chinese)[高国荣,刘艳萍,潘琼2012物理学报61139701]
[15]He Y G,Zhao W S2009Acta Phys.Sin.58843(in Chinese)[何怡刚,赵文山2009物理学报58843]
[16]Deng Y,Shi W K,Liu Q2002Acta Phys.Sin.51759(in Chinese)[邓勇,施文康,刘琪2002物理学报51759]
[17]Wu X L,Chen M S,Sha W2008Chin.Phys.Lett.251000
[18]Zhao H G,Shi H S,Tang H Y20094th IEEE Conference on Industrial Electronics and Applications Xi’an,May25-27,2009p3940
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