F-K分析在上海地震台阵建设中的应用
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摘要
利用F K分析处理地震台阵数据 ,进行地震波场分析 ,按频率分量、速度矢量来分解几乎同时到达台阵的信号 ,识别不同慢度的波 ,有助于地震波类型鉴别研究 .主要讨论了F K分析具体实现的方法和如何应用于上海地震台阵的选址与建设
F K analysis can be used in processing data of seismic array, and getting detailed information on seismic wave field. This approach can separate seismic signals which arrive the array almost at same moment, and identify the type of wave with different velocity. All those are helpful to distinguish complex seismic wave. Mainly the procedure of F K analysis and application in Shanghai Seismic Array are discussed.
F K analysis can be used in processing data of seismic array, and getting detailed information on seismic wave field. This approach can separate seismic signals which arrive the array almost at same moment, and identify the type of wave with different velocity. All those are helpful to distinguish complex seismic wave. Mainly the procedure of F K analysis and application in Shanghai Seismic Array are discussed.
引文
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[2] Bear,LorieK ,Pavlis,etal..Multiwaveletanalysisofthree componentseismicarrays:ApplicationtomeasureeffectiveanisotropyatPinonFlats[J].BSSA ,1999,89(3):693-705.
[3] ArlittR ,KisslingE ,AnsorgeJ .Three dimensionalcrustalstructurebeneaththeTORarrayandeffectsonteleseismicwave fronts[J].Tectonophysics,1999,314(1-3):309-319.
[4] HirnA ,DiazJ ,SapinM ,etal..Variationofshear waveresidualsandsplittingparametersfromarrayobservationsinsouth ernTibet[J].PAGEOPH ,1998,151(2-4):407-431.
[5] WagnerGS .Resolvingdiverselypolarized,superimposedsignalsinthree componentseismicarraydata[J].Geophys.Res.Lett.,1996,23(14):1837-1840.
[6] 沈永欢,等编.实用数学手册[M ].北京:科学技术出版社,1992.
[7] SveinMykkeltveit,FrodeRingolo,etal.Applicationofregionalarraysinseismicverication[J].BSSA ,1990,80(6):1777-1800.
[8] AnneSuteauHenson.Estimatingazimuthandslownessfromthreecomponentandarraystations[J].BSSA ,1990,80(6):1987-1998
[9] Burkhard,etal..宽频带数字地震学观测与研究[M ].修济刚,等译.北京:海洋出版社,1988.
[10] 朱介寿,等.地震学中的计算方法[M ].北京:地震出版社,1988.
[11] 安艺敬一,理查兹PG .定量地震学(第二卷)[M ].北京:地震出版社,1986.59-77.
[12] Andrzej,Kijko.Astatisticalmodelforestimatingtheaccuracyofeventlocationappliedtoanetworkofscandinavianstations[J].PAGEOPH ,1982,120:187-195.
[13] 奥本海姆AV ,谢弗RW .数字信号处理[M ].北京:科学出版社,1981.
[14] 巴特M .地震学中的数学问题[M ].郑治真译.北京:科学出版社,1976.
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