上海遥测台网各类型台基背景噪声分析
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摘要
本文通过对上海遥测台网各台址背景噪声数字化记录进行计算和分析,得到台址背景噪声地动速度均方根值(RMS)、有效测量动态范围、噪声信号功率谱结果.所得结果对上海市地震局"十二五"期间新建台站的各项指标设计,如台基选择、点位选择、仪器选型等提供非常有价值的理论依据;通过台址噪声分析可以为"十二五"期间主动震源技术发展和应用提供背景资料,即根据当地背景噪音幅度计算主动震源所需最低能量,同时主动震源振动频率尽量避开背景噪音的优势频率段,以获取最佳的观测数据,因此对数字地震台的台址噪声进行分析是一项有意义和重要的工作.
Base on the Shanghai telemetry station network of the station site digital recording of background noise calculation and analysis,the speed of the earth station sites background noise set speed(RMS),effective measurement dynamic rang,noise power spectrum results.The results of the Shanghai Seismological Bureau," Twelfth-five" new stations during the design of the indicators,such as station selection,point selection,equipment selection to provide a valuable theoretical basis;Through noise analysis for station sites " Twelfth-five" initiative during the technology development and application source to provide background information that is calculated according to the local background noise margin the minimum energy required for active source,while active frequency source to avoid background noise as much as possible the advantages of frequency bands to obtain the best observational data,so the digital seismic noise analysis of the station sites is a meaningful and important work.
Base on the Shanghai telemetry station network of the station site digital recording of background noise calculation and analysis,the speed of the earth station sites background noise set speed(RMS),effective measurement dynamic rang,noise power spectrum results.The results of the Shanghai Seismological Bureau," Twelfth-five" new stations during the design of the indicators,such as station selection,point selection,equipment selection to provide a valuable theoretical basis;Through noise analysis for station sites " Twelfth-five" initiative during the technology development and application source to provide background information that is calculated according to the local background noise margin the minimum energy required for active source,while active frequency source to avoid background noise as much as possible the advantages of frequency bands to obtain the best observational data,so the digital seismic noise analysis of the station sites is a meaningful and important work.
引文
[1]陈祥熊,陈文明,等.福建数字地震台网台址北京噪声分析[J].地震地磁观测与研究,1998,19(5):13-22.Chen X X,Chen W M,et al.Noise spectrum analysis of Fujiandigital seismic network[J].Seismological and geomagneticobservation and research,1998,19(5):13-22.
[2]唐小勇,范文渊,等.新疆地区环境噪声层析成像研究[J].地球物理学报,2011,54(8):2042-2049.Tang X Y,Fan W Y,et al.Phase velocity tomography ofRayleigh wave in Xinjiang from ambient noise[J].Chinese J.Geophys.(in Chinese),2011,54(8):2042-2049.
[3]高东辉,陈永顺,等.黑龙江地区背景噪声面波群速度层析成像[J].地球物理学报,2011,54(4):1043-1051.Gao D H,Chen Y S,et al.Crustal and uppermost mantlestructure of the Heilongjiang region from ambient noisetomography[J].Chinese J.Geophys.(in Chinese),2011,54(4):1043-1051.
[4]姜长宁,王保太,等.江苏数字地震台网台址噪声谱分析[J].地震学刊,2001,21(1):36-39.Jiang C N,Wang B T,et al.Spectral analysis of noisesrecorded at station sites of the Jiangsu Digital SeismologicalNetwork[J].Journal of Seismology,2001,21(1):36-39.
[5]刘永廷,夏爱国,等.乌鲁木齐区域数字遥测台网各子台背景噪声分析[J].内陆地震,2002,16(4):366-371.Liu Y T,Xia A G,et al.ANALYSIS ON BACKGROUNDNOISE AT THE SUB—STATIONS IN URUMQI DIGITALTELEMETERED SEISMIC NETWORK[J].Inlandearthquake,2002,16(4):366-371.
[6]Peterson J,1980,Preliminary observations of noise spectra atthe SRO and ASRO stations,Albuqerque,New Mexico.
[7]王俊,徐戈,等.江苏省区域地表背景噪声特性的分析[J].地震研究,2009,32(2):155-161.Wang J,Xu G,et al.Analysis on Background Seismic NoiseCharacteristics in Jiangsu Province[J].Journal of SeismologicalResearch,2009,32(2):155-161.
[8]齐诚,陈棋福,等.利用背景噪声进行地震成像的新方法[J].地球物理学进展,2007,22(3):771-777.Qi C,Chen Q F,et al.A new method for seismic imaging fromambient seismic noise[J].Progress in Geophysics,2007,22(3):771-777.
[9]洪星,杨贵.福建数字地震台网对泉州地震的监测能力[J].地震地磁观测与研究,2005,26(2):89-96.Hong X,Yang G.Fujian digital seismic network of Quanzhouearthquake monitoring ability[J].Seismological andGeomagnetic Observation and Research,2005,26(2):89-96.
[10]孙晴,张新东,等.河北省数字地震台网子台地动噪声分析[J].华北地震科学,2007,25(2):51-54.Sun Q,Zhang X D,et al.Analysis on the ground motion noiseof substations in Hebei Digital Seismic Network[J].NorthChina Earthquake Sciences,2007,25(2):51-54.
[11]张文来,郑黎明.库尔勒数字地震台台基噪声分析[J].内陆地震,2003,17(4):343-347.Zhang C L,Zheng L M.NOISE ANALYSIS OF DIGITALSEISM OSTATION BASE IN KUERLE[J].Inlandearthquake,2003,17(4):343-347.
[12]于海英,朱元清.上海地震台阵地动噪声功率谱分析[J].地震地磁观测与研究,2002,23(2):80-84.Yu H Y,Zhu Y Q.Power spectrum analysis of groundmotion noise in Shanghai Seismic Array[J].Seismological andGeomagnetic Observation and Research,2002,23(2):80-84.
[13]郑定昌,庞卫东,闵照旭,等.云南地区背景噪声特征分析[J].地震研究,2011,34(2):201-206.Zheng D C,Pang W D,Ming Z X,et al.Investigation ofAmbient-noise Source in Yunnan[J].Journal of SeismologicalResearch,2011,34(2):201-206.
[14]李媛媛,吴东.山西数字遥测地震台网十五勘选子台台址地动噪声分析[J].华北地震科学,2004,22(1):60-62.Li Y Y,Wu D.Analysis on the background noise at the sub-stations in Shanxi digital telemetered seismic network[J].NORTH CHINA EARTHQUAKE SCIENCES,2004,22(1):60-62.
[15]王学成,王广峰,等.阜新矿震台网子台地动噪声分析[J].地震地磁观测与研究,2009,30(6):44-48.Wang X C,Wang G F,et al.Analysis on the backgroundnoise at the sub—stations in Fuxin Mine Seismic Network[J].Seismological and Geomagnetic Observation andResearch,2009,30(6):44-48.
[16]孙进,高原.中国大陆背景噪声成像研究及应用前景[J].国际地震动态,2011,3:12-17.Sun J,Gao Y.Research on ambient noise tomography andapplication prospects on Chinese mainland[J].RecentDevelopments in World Seismology,2011,3:12-17.
[17]朱良保,王清东.地震背景噪声互相关函数的面波理论表达形式[J].地球物理学报,2011,54(7):1835-1841.Zhu L B,Wang Q D.An expression of the cross-correlationof ambient Seismic Noise[J].Chinese J.Geophys.(inChinese),2011,54(7):1835-1841.
[18]刘志坤,黄金莉.利用背景噪声互相关研究汶川地震震源区地震波速度变化[J].地球物理学报,2010,53(40):853-863.Liu Z K,Huang J L.Temporal changes of seismic velocityaround the Wenchuan earthquake fault zone from ambientseismic noise correlation[J].Chinese J.Geophys.(inChinese),2010,53(40):853-863.
[19]鲁玉来,何正勤,等.华北科学探测台阵背景噪声特征分析[J].地球物理学报,2009,10:2566-2572.Lu Y L,He Z Q,et al.Investigation of ambient noise sourcein North China array[J].Chinese J.Geophys.(in Chinese),2009,10:2566-2572.
[20]吴永权,林伟,等.广东省“十五”项目测震台站台址勘选结果分析[J].地震地磁观测与研究,2007,28(1):90-95.Wu Y Q,Lin W,et al.Analysis of seismic stationsexploration results for the tenth-five year plan in GuangdongProvince[J].Seismological and Geomagnetic Observation andResearch,2007,28(1):90-95.
[21]丁世念,魏贵春,等.英山数字地震台的勘选及建设[J].大地测量与地球动力学,2011,31(B06):68-71.Ding S N,Wei G C,et al.SELECTION ANDCONSTRUCTION OF INGSHAN DIGITALSEISMOSTATION[J].Journal of Geodesy andGeodynamics,2011,31(B06):68-71.
[22]宫猛,李红谊.青藏高原东部基于噪声的面波群速度分布特征[J].地学前缘,2010,5:151-162.Gong M,Li H Y.Surface wave group velocity distributionbased on ambient noise analysis in eastern Tibet[J].EarthScience Frontiers,2010,5:151-162.
[23]郑定昌,杨润海.背景噪声成像研究综述[J].地震研究,2009,32(B):516-521.Zheng D C,Yang R H.A Review on Ambient NoiseTomography[J].Journal of Seismological Research,2009,32(B):516-521.
[24]房立华,吴建平.背景噪声频散曲线测定及其在华北地区的应用[J].地震学报,2009,31(5):544-554.Fang L H,Wu J P.Measurement of Rayleigh wave dispersionfrom ambient seismic noise and its application in North China[J].Acta Seismologica Sinica,2009,31(5):544-554.
[25]唐有彩,陈永顺,等.华北克拉通中部地区背景噪声成像[J].地球物理学报,2011,54(8):2011-2022.Tang Y C,Chen Y S,et al.Ambient noise tomography innorth China craton[J].Chinese J.Geophys.(in Chinese),2011,54(8):2011-2022.
[2]唐小勇,范文渊,等.新疆地区环境噪声层析成像研究[J].地球物理学报,2011,54(8):2042-2049.Tang X Y,Fan W Y,et al.Phase velocity tomography ofRayleigh wave in Xinjiang from ambient noise[J].Chinese J.Geophys.(in Chinese),2011,54(8):2042-2049.
[3]高东辉,陈永顺,等.黑龙江地区背景噪声面波群速度层析成像[J].地球物理学报,2011,54(4):1043-1051.Gao D H,Chen Y S,et al.Crustal and uppermost mantlestructure of the Heilongjiang region from ambient noisetomography[J].Chinese J.Geophys.(in Chinese),2011,54(4):1043-1051.
[4]姜长宁,王保太,等.江苏数字地震台网台址噪声谱分析[J].地震学刊,2001,21(1):36-39.Jiang C N,Wang B T,et al.Spectral analysis of noisesrecorded at station sites of the Jiangsu Digital SeismologicalNetwork[J].Journal of Seismology,2001,21(1):36-39.
[5]刘永廷,夏爱国,等.乌鲁木齐区域数字遥测台网各子台背景噪声分析[J].内陆地震,2002,16(4):366-371.Liu Y T,Xia A G,et al.ANALYSIS ON BACKGROUNDNOISE AT THE SUB—STATIONS IN URUMQI DIGITALTELEMETERED SEISMIC NETWORK[J].Inlandearthquake,2002,16(4):366-371.
[6]Peterson J,1980,Preliminary observations of noise spectra atthe SRO and ASRO stations,Albuqerque,New Mexico.
[7]王俊,徐戈,等.江苏省区域地表背景噪声特性的分析[J].地震研究,2009,32(2):155-161.Wang J,Xu G,et al.Analysis on Background Seismic NoiseCharacteristics in Jiangsu Province[J].Journal of SeismologicalResearch,2009,32(2):155-161.
[8]齐诚,陈棋福,等.利用背景噪声进行地震成像的新方法[J].地球物理学进展,2007,22(3):771-777.Qi C,Chen Q F,et al.A new method for seismic imaging fromambient seismic noise[J].Progress in Geophysics,2007,22(3):771-777.
[9]洪星,杨贵.福建数字地震台网对泉州地震的监测能力[J].地震地磁观测与研究,2005,26(2):89-96.Hong X,Yang G.Fujian digital seismic network of Quanzhouearthquake monitoring ability[J].Seismological andGeomagnetic Observation and Research,2005,26(2):89-96.
[10]孙晴,张新东,等.河北省数字地震台网子台地动噪声分析[J].华北地震科学,2007,25(2):51-54.Sun Q,Zhang X D,et al.Analysis on the ground motion noiseof substations in Hebei Digital Seismic Network[J].NorthChina Earthquake Sciences,2007,25(2):51-54.
[11]张文来,郑黎明.库尔勒数字地震台台基噪声分析[J].内陆地震,2003,17(4):343-347.Zhang C L,Zheng L M.NOISE ANALYSIS OF DIGITALSEISM OSTATION BASE IN KUERLE[J].Inlandearthquake,2003,17(4):343-347.
[12]于海英,朱元清.上海地震台阵地动噪声功率谱分析[J].地震地磁观测与研究,2002,23(2):80-84.Yu H Y,Zhu Y Q.Power spectrum analysis of groundmotion noise in Shanghai Seismic Array[J].Seismological andGeomagnetic Observation and Research,2002,23(2):80-84.
[13]郑定昌,庞卫东,闵照旭,等.云南地区背景噪声特征分析[J].地震研究,2011,34(2):201-206.Zheng D C,Pang W D,Ming Z X,et al.Investigation ofAmbient-noise Source in Yunnan[J].Journal of SeismologicalResearch,2011,34(2):201-206.
[14]李媛媛,吴东.山西数字遥测地震台网十五勘选子台台址地动噪声分析[J].华北地震科学,2004,22(1):60-62.Li Y Y,Wu D.Analysis on the background noise at the sub-stations in Shanxi digital telemetered seismic network[J].NORTH CHINA EARTHQUAKE SCIENCES,2004,22(1):60-62.
[15]王学成,王广峰,等.阜新矿震台网子台地动噪声分析[J].地震地磁观测与研究,2009,30(6):44-48.Wang X C,Wang G F,et al.Analysis on the backgroundnoise at the sub—stations in Fuxin Mine Seismic Network[J].Seismological and Geomagnetic Observation andResearch,2009,30(6):44-48.
[16]孙进,高原.中国大陆背景噪声成像研究及应用前景[J].国际地震动态,2011,3:12-17.Sun J,Gao Y.Research on ambient noise tomography andapplication prospects on Chinese mainland[J].RecentDevelopments in World Seismology,2011,3:12-17.
[17]朱良保,王清东.地震背景噪声互相关函数的面波理论表达形式[J].地球物理学报,2011,54(7):1835-1841.Zhu L B,Wang Q D.An expression of the cross-correlationof ambient Seismic Noise[J].Chinese J.Geophys.(inChinese),2011,54(7):1835-1841.
[18]刘志坤,黄金莉.利用背景噪声互相关研究汶川地震震源区地震波速度变化[J].地球物理学报,2010,53(40):853-863.Liu Z K,Huang J L.Temporal changes of seismic velocityaround the Wenchuan earthquake fault zone from ambientseismic noise correlation[J].Chinese J.Geophys.(inChinese),2010,53(40):853-863.
[19]鲁玉来,何正勤,等.华北科学探测台阵背景噪声特征分析[J].地球物理学报,2009,10:2566-2572.Lu Y L,He Z Q,et al.Investigation of ambient noise sourcein North China array[J].Chinese J.Geophys.(in Chinese),2009,10:2566-2572.
[20]吴永权,林伟,等.广东省“十五”项目测震台站台址勘选结果分析[J].地震地磁观测与研究,2007,28(1):90-95.Wu Y Q,Lin W,et al.Analysis of seismic stationsexploration results for the tenth-five year plan in GuangdongProvince[J].Seismological and Geomagnetic Observation andResearch,2007,28(1):90-95.
[21]丁世念,魏贵春,等.英山数字地震台的勘选及建设[J].大地测量与地球动力学,2011,31(B06):68-71.Ding S N,Wei G C,et al.SELECTION ANDCONSTRUCTION OF INGSHAN DIGITALSEISMOSTATION[J].Journal of Geodesy andGeodynamics,2011,31(B06):68-71.
[22]宫猛,李红谊.青藏高原东部基于噪声的面波群速度分布特征[J].地学前缘,2010,5:151-162.Gong M,Li H Y.Surface wave group velocity distributionbased on ambient noise analysis in eastern Tibet[J].EarthScience Frontiers,2010,5:151-162.
[23]郑定昌,杨润海.背景噪声成像研究综述[J].地震研究,2009,32(B):516-521.Zheng D C,Yang R H.A Review on Ambient NoiseTomography[J].Journal of Seismological Research,2009,32(B):516-521.
[24]房立华,吴建平.背景噪声频散曲线测定及其在华北地区的应用[J].地震学报,2009,31(5):544-554.Fang L H,Wu J P.Measurement of Rayleigh wave dispersionfrom ambient seismic noise and its application in North China[J].Acta Seismologica Sinica,2009,31(5):544-554.
[25]唐有彩,陈永顺,等.华北克拉通中部地区背景噪声成像[J].地球物理学报,2011,54(8):2011-2022.Tang Y C,Chen Y S,et al.Ambient noise tomography innorth China craton[J].Chinese J.Geophys.(in Chinese),2011,54(8):2011-2022.
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