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2010•Northwestern Seismological JournalRequires access

Research on Method of Slowness-Azimuth Station Corrections for LZDM and HILR Verification Seismic Arrays

Cui Jia-jia

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Abstract

A method of slowness-azimuth station corrections(SASC)for seismic array which is designed to correct slowness and azimuth in predefined small bins is introduced.The aim of SASC is to remove the systematic bias from observations so that the performance slowness-azimuth for stations can be improved.The slowness-azimuth for HILR and LZDM Verification Seismic Arrays in Comprehensive Nuclear-Test-Ban Treaty(CNBT)Beijing National Data Centre(NDC) is corrected using this method,and the rusults of testing with new correction show improvement of slowness and azimuth estimation.

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What this paper is about

A method of slowness-azimuth station corrections(SASC)for seismic array which is designed to correct slowness and azimuth in predefined small bins is introduced.The aim of SASC is to remove the systematic bias from observations so that the performance slowness-azimuth for stations can be improved.The slowness-azimuth for HILR and LZDM Verification Seismic Arrays in Comprehensive Nuclear-Test-Ban Treaty(CNBT)Beijing National Data Centre(NDC) is corrected using this method,and the rusults of testing with new correction show improvement of slowness and azimuth estimation.

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Available abstract

A method of slowness-azimuth station corrections(SASC)for seismic array which is designed to correct slowness and azimuth in predefined small bins is introduced.The aim of SASC is to remove the systematic bias from observations so that the performance slowness-azimuth for stations can be improved.The slowness-azimuth for HILR and LZDM Verification Seismic Arrays in Comprehensive Nuclear-Test-Ban Treaty(CNBT)Beijing National Data Centre(NDC) is corrected using this method,and the rusults of testing with new correction show improvement of slowness and azimuth estimation.

Key concepts: Slowness, Azimuth, Geology, Beijing, Seismology, Geodesy, China, Optics

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