On estimating time offsets in the ambient noise correlation function caused by instrument response errors

Ye, F.; Lin, J.; Zhang, X.; Jiang, X.

doi:10.1007/s11600-018-0218-y

Artykuł - szczegóły

Tytuł artykułu

On estimating time offsets in the ambient noise correlation function caused by instrument response errors

Autorzy

Ye F. , Lin J. , Zhang X. , Jiang X.

Wybrane pełne teksty z tego czasopisma

https://www.springer.com/journal/11600

Identyfikatory

DOI

10.1007/s11600-018-0218-y

Warianty tytułu

Języki publikacji

Abstrakty

Broadband seismic networks are becoming more intensive, generating a large amount of data in the long-term collection process. When processing the data, the researchers rely almost on instrument response files to understand the information related to the instrument. Aiming at the process of instrument response recording and instrument response correction, we identify several sources of the instrument response phase error, including pole–zero change, the causality difference in instrument correction method, and the problem of filter coefficient recording. The data time offset range from the instrument response phase error is calculated from one sample point to several seconds using the ambient noise data recorded by multiple seismic stations. With different data delays, the time offset of the noise correlation function is estimated to be 74% to 99% of the data delay time. In addition, the influence of instrument response phase error on the measurement of seismic velocity change is analyzed by using ambient noise data with pole–zero change, and the results show that the abnormal wave velocity with exceeding the standard value is exactly in the time period of the instrument response error, which indicates that the instrument response error affects the study of seismology.

Słowa kluczowe

time offset seismic ambient noise seismic velocity change instrument response

przesunięcie czasu sejsmiczny hałas otoczenia sejsmiczna zmiana prędkości

Wydawca

Instytut Geofizyki PAN
Springer

Czasopismo

Acta Geophysica

Rocznik

2018

Tom

Vol. 66, no. 6

Strony

1291--1301

Opis fizyczny

Bibliogr. 32 poz.

Twórcy

autor

Ye F.

College of Instrumentation & Electrical Engineering, Jilin University, Changchun 130026, China
National Geophysical Exploration Instrument Engineering Technology Research Center, Changchun 130026, China

autor

Lin J.

lin_jun@jlu.edu.cn

College of Instrumentation & Electrical Engineering, Jilin University, Changchun 130026, China
National Geophysical Exploration Instrument Engineering Technology Research Center, Changchun 130026, China

autor

Zhang X.

College of Instrumentation & Electrical Engineering, Jilin University, Changchun 130026, China
National Geophysical Exploration Instrument Engineering Technology Research Center, Changchun 130026, China

autor

Jiang X.

College of Instrumentation & Electrical Engineering, Jilin University, Changchun 130026, China
National Geophysical Exploration Instrument Engineering Technology Research Center, Changchun 130026, China

Bibliografia

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Uwagi

Opracowanie rekordu w ramach umowy 509/P-DUN/2018 ze środków MNiSW przeznaczonych na działalność upowszechniającą naukę (2019).

Typ dokumentu

Bibliografia

Identyfikator YADDA

bwmeta1.element.baztech-d6179251-779d-40ed-a295-ce96d97c6220