Theoretical analysis of high-speed rail seismic imaging
Abstract We do theoretical research on using high-speed rail (HSR) as an active source to perform reverse time migration (RTM) and analyze the influence of the interferometric field on the seismic imaging results. When a train runs on a rail viaduct, the evenly spaced piers of the viaduct generate a...
Ausführliche Beschreibung
Gespeichert in:
| Autor*in: |
Shi, Yongxiang [verfasserIn] |
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| Format: |
E-Artikel |
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| Sprache: |
Englisch |
| Erschienen: |
2022 |
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| Schlagwörter: |
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| Anmerkung: |
© Science China Press and Springer-Verlag GmbH Germany, part of Springer Nature 2022 |
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| Übergeordnetes Werk: |
Enthalten in: Science in China - Heidelberg : Springer, 1997, 65(2022), 4 vom: 04. Jan., Seite 714-723 |
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| Übergeordnetes Werk: |
volume:65 ; year:2022 ; number:4 ; day:04 ; month:01 ; pages:714-723 |
| Links: |
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| DOI / URN: |
10.1007/s11430-021-9840-x |
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| 520 | |a Abstract We do theoretical research on using high-speed rail (HSR) as an active source to perform reverse time migration (RTM) and analyze the influence of the interferometric field on the seismic imaging results. When a train runs on a rail viaduct, the evenly spaced piers of the viaduct generate a nearly spherical interferometric wavefield with radically travelling waves in frequency-determined directions. We find that the directions span stationary areas of the interference phases, of which cross-talks deteriorating HSR seismic imaging can be well suppressed by stacking. Accordingly, we propose a method for performing RTM by employing HSR data. Numerical tests primarily verify the proposed method by use of 2D and 3D acoustic wave equations. Subsequently, we execute least square RTM to suppress crosstalk artifacts, further improving the imaging quality. At last, we stack images derived from trains with different velocities, which extends the frequency band, effectively overcoming the limit from the discrete spectrum of the source wavelet. | ||
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10.1007/s11430-021-9840-x doi (DE-627)SPR050607901 (SPR)s11430-021-9840-x-e DE-627 ger DE-627 rakwb eng Shi, Yongxiang verfasserin aut Theoretical analysis of high-speed rail seismic imaging 2022 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © Science China Press and Springer-Verlag GmbH Germany, part of Springer Nature 2022 Abstract We do theoretical research on using high-speed rail (HSR) as an active source to perform reverse time migration (RTM) and analyze the influence of the interferometric field on the seismic imaging results. When a train runs on a rail viaduct, the evenly spaced piers of the viaduct generate a nearly spherical interferometric wavefield with radically travelling waves in frequency-determined directions. We find that the directions span stationary areas of the interference phases, of which cross-talks deteriorating HSR seismic imaging can be well suppressed by stacking. Accordingly, we propose a method for performing RTM by employing HSR data. Numerical tests primarily verify the proposed method by use of 2D and 3D acoustic wave equations. Subsequently, we execute least square RTM to suppress crosstalk artifacts, further improving the imaging quality. At last, we stack images derived from trains with different velocities, which extends the frequency band, effectively overcoming the limit from the discrete spectrum of the source wavelet. High-speed rail seismic source (dpeaa)DE-He213 Reverse time migration (dpeaa)DE-He213 HSR interference field (dpeaa)DE-He213 Wen, Jingchong aut Ning, Jieyuan aut Enthalten in Science in China Heidelberg : Springer, 1997 65(2022), 4 vom: 04. Jan., Seite 714-723 (DE-627)385614748 (DE-600)2142896-7 1862-2801 nnns volume:65 year:2022 number:4 day:04 month:01 pages:714-723 https://dx.doi.org/10.1007/s11430-021-9840-x lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_105 GBV_ILN_110 GBV_ILN_120 GBV_ILN_138 GBV_ILN_152 GBV_ILN_161 GBV_ILN_171 GBV_ILN_187 GBV_ILN_224 GBV_ILN_250 GBV_ILN_281 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 AR 65 2022 4 04 01 714-723 |
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10.1007/s11430-021-9840-x doi (DE-627)SPR050607901 (SPR)s11430-021-9840-x-e DE-627 ger DE-627 rakwb eng Shi, Yongxiang verfasserin aut Theoretical analysis of high-speed rail seismic imaging 2022 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © Science China Press and Springer-Verlag GmbH Germany, part of Springer Nature 2022 Abstract We do theoretical research on using high-speed rail (HSR) as an active source to perform reverse time migration (RTM) and analyze the influence of the interferometric field on the seismic imaging results. When a train runs on a rail viaduct, the evenly spaced piers of the viaduct generate a nearly spherical interferometric wavefield with radically travelling waves in frequency-determined directions. We find that the directions span stationary areas of the interference phases, of which cross-talks deteriorating HSR seismic imaging can be well suppressed by stacking. Accordingly, we propose a method for performing RTM by employing HSR data. Numerical tests primarily verify the proposed method by use of 2D and 3D acoustic wave equations. Subsequently, we execute least square RTM to suppress crosstalk artifacts, further improving the imaging quality. At last, we stack images derived from trains with different velocities, which extends the frequency band, effectively overcoming the limit from the discrete spectrum of the source wavelet. High-speed rail seismic source (dpeaa)DE-He213 Reverse time migration (dpeaa)DE-He213 HSR interference field (dpeaa)DE-He213 Wen, Jingchong aut Ning, Jieyuan aut Enthalten in Science in China Heidelberg : Springer, 1997 65(2022), 4 vom: 04. Jan., Seite 714-723 (DE-627)385614748 (DE-600)2142896-7 1862-2801 nnns volume:65 year:2022 number:4 day:04 month:01 pages:714-723 https://dx.doi.org/10.1007/s11430-021-9840-x lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_105 GBV_ILN_110 GBV_ILN_120 GBV_ILN_138 GBV_ILN_152 GBV_ILN_161 GBV_ILN_171 GBV_ILN_187 GBV_ILN_224 GBV_ILN_250 GBV_ILN_281 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 AR 65 2022 4 04 01 714-723 |
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10.1007/s11430-021-9840-x doi (DE-627)SPR050607901 (SPR)s11430-021-9840-x-e DE-627 ger DE-627 rakwb eng Shi, Yongxiang verfasserin aut Theoretical analysis of high-speed rail seismic imaging 2022 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © Science China Press and Springer-Verlag GmbH Germany, part of Springer Nature 2022 Abstract We do theoretical research on using high-speed rail (HSR) as an active source to perform reverse time migration (RTM) and analyze the influence of the interferometric field on the seismic imaging results. When a train runs on a rail viaduct, the evenly spaced piers of the viaduct generate a nearly spherical interferometric wavefield with radically travelling waves in frequency-determined directions. We find that the directions span stationary areas of the interference phases, of which cross-talks deteriorating HSR seismic imaging can be well suppressed by stacking. Accordingly, we propose a method for performing RTM by employing HSR data. Numerical tests primarily verify the proposed method by use of 2D and 3D acoustic wave equations. Subsequently, we execute least square RTM to suppress crosstalk artifacts, further improving the imaging quality. At last, we stack images derived from trains with different velocities, which extends the frequency band, effectively overcoming the limit from the discrete spectrum of the source wavelet. High-speed rail seismic source (dpeaa)DE-He213 Reverse time migration (dpeaa)DE-He213 HSR interference field (dpeaa)DE-He213 Wen, Jingchong aut Ning, Jieyuan aut Enthalten in Science in China Heidelberg : Springer, 1997 65(2022), 4 vom: 04. Jan., Seite 714-723 (DE-627)385614748 (DE-600)2142896-7 1862-2801 nnns volume:65 year:2022 number:4 day:04 month:01 pages:714-723 https://dx.doi.org/10.1007/s11430-021-9840-x lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_105 GBV_ILN_110 GBV_ILN_120 GBV_ILN_138 GBV_ILN_152 GBV_ILN_161 GBV_ILN_171 GBV_ILN_187 GBV_ILN_224 GBV_ILN_250 GBV_ILN_281 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 AR 65 2022 4 04 01 714-723 |
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10.1007/s11430-021-9840-x doi (DE-627)SPR050607901 (SPR)s11430-021-9840-x-e DE-627 ger DE-627 rakwb eng Shi, Yongxiang verfasserin aut Theoretical analysis of high-speed rail seismic imaging 2022 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © Science China Press and Springer-Verlag GmbH Germany, part of Springer Nature 2022 Abstract We do theoretical research on using high-speed rail (HSR) as an active source to perform reverse time migration (RTM) and analyze the influence of the interferometric field on the seismic imaging results. When a train runs on a rail viaduct, the evenly spaced piers of the viaduct generate a nearly spherical interferometric wavefield with radically travelling waves in frequency-determined directions. We find that the directions span stationary areas of the interference phases, of which cross-talks deteriorating HSR seismic imaging can be well suppressed by stacking. Accordingly, we propose a method for performing RTM by employing HSR data. Numerical tests primarily verify the proposed method by use of 2D and 3D acoustic wave equations. Subsequently, we execute least square RTM to suppress crosstalk artifacts, further improving the imaging quality. At last, we stack images derived from trains with different velocities, which extends the frequency band, effectively overcoming the limit from the discrete spectrum of the source wavelet. High-speed rail seismic source (dpeaa)DE-He213 Reverse time migration (dpeaa)DE-He213 HSR interference field (dpeaa)DE-He213 Wen, Jingchong aut Ning, Jieyuan aut Enthalten in Science in China Heidelberg : Springer, 1997 65(2022), 4 vom: 04. Jan., Seite 714-723 (DE-627)385614748 (DE-600)2142896-7 1862-2801 nnns volume:65 year:2022 number:4 day:04 month:01 pages:714-723 https://dx.doi.org/10.1007/s11430-021-9840-x lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_105 GBV_ILN_110 GBV_ILN_120 GBV_ILN_138 GBV_ILN_152 GBV_ILN_161 GBV_ILN_171 GBV_ILN_187 GBV_ILN_224 GBV_ILN_250 GBV_ILN_281 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 AR 65 2022 4 04 01 714-723 |
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10.1007/s11430-021-9840-x doi (DE-627)SPR050607901 (SPR)s11430-021-9840-x-e DE-627 ger DE-627 rakwb eng Shi, Yongxiang verfasserin aut Theoretical analysis of high-speed rail seismic imaging 2022 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © Science China Press and Springer-Verlag GmbH Germany, part of Springer Nature 2022 Abstract We do theoretical research on using high-speed rail (HSR) as an active source to perform reverse time migration (RTM) and analyze the influence of the interferometric field on the seismic imaging results. When a train runs on a rail viaduct, the evenly spaced piers of the viaduct generate a nearly spherical interferometric wavefield with radically travelling waves in frequency-determined directions. We find that the directions span stationary areas of the interference phases, of which cross-talks deteriorating HSR seismic imaging can be well suppressed by stacking. Accordingly, we propose a method for performing RTM by employing HSR data. Numerical tests primarily verify the proposed method by use of 2D and 3D acoustic wave equations. Subsequently, we execute least square RTM to suppress crosstalk artifacts, further improving the imaging quality. At last, we stack images derived from trains with different velocities, which extends the frequency band, effectively overcoming the limit from the discrete spectrum of the source wavelet. High-speed rail seismic source (dpeaa)DE-He213 Reverse time migration (dpeaa)DE-He213 HSR interference field (dpeaa)DE-He213 Wen, Jingchong aut Ning, Jieyuan aut Enthalten in Science in China Heidelberg : Springer, 1997 65(2022), 4 vom: 04. Jan., Seite 714-723 (DE-627)385614748 (DE-600)2142896-7 1862-2801 nnns volume:65 year:2022 number:4 day:04 month:01 pages:714-723 https://dx.doi.org/10.1007/s11430-021-9840-x lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_105 GBV_ILN_110 GBV_ILN_120 GBV_ILN_138 GBV_ILN_152 GBV_ILN_161 GBV_ILN_171 GBV_ILN_187 GBV_ILN_224 GBV_ILN_250 GBV_ILN_281 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 AR 65 2022 4 04 01 714-723 |
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Abstract We do theoretical research on using high-speed rail (HSR) as an active source to perform reverse time migration (RTM) and analyze the influence of the interferometric field on the seismic imaging results. When a train runs on a rail viaduct, the evenly spaced piers of the viaduct generate a nearly spherical interferometric wavefield with radically travelling waves in frequency-determined directions. We find that the directions span stationary areas of the interference phases, of which cross-talks deteriorating HSR seismic imaging can be well suppressed by stacking. Accordingly, we propose a method for performing RTM by employing HSR data. Numerical tests primarily verify the proposed method by use of 2D and 3D acoustic wave equations. Subsequently, we execute least square RTM to suppress crosstalk artifacts, further improving the imaging quality. At last, we stack images derived from trains with different velocities, which extends the frequency band, effectively overcoming the limit from the discrete spectrum of the source wavelet. © Science China Press and Springer-Verlag GmbH Germany, part of Springer Nature 2022 |
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Abstract We do theoretical research on using high-speed rail (HSR) as an active source to perform reverse time migration (RTM) and analyze the influence of the interferometric field on the seismic imaging results. When a train runs on a rail viaduct, the evenly spaced piers of the viaduct generate a nearly spherical interferometric wavefield with radically travelling waves in frequency-determined directions. We find that the directions span stationary areas of the interference phases, of which cross-talks deteriorating HSR seismic imaging can be well suppressed by stacking. Accordingly, we propose a method for performing RTM by employing HSR data. Numerical tests primarily verify the proposed method by use of 2D and 3D acoustic wave equations. Subsequently, we execute least square RTM to suppress crosstalk artifacts, further improving the imaging quality. At last, we stack images derived from trains with different velocities, which extends the frequency band, effectively overcoming the limit from the discrete spectrum of the source wavelet. © Science China Press and Springer-Verlag GmbH Germany, part of Springer Nature 2022 |
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Abstract We do theoretical research on using high-speed rail (HSR) as an active source to perform reverse time migration (RTM) and analyze the influence of the interferometric field on the seismic imaging results. When a train runs on a rail viaduct, the evenly spaced piers of the viaduct generate a nearly spherical interferometric wavefield with radically travelling waves in frequency-determined directions. We find that the directions span stationary areas of the interference phases, of which cross-talks deteriorating HSR seismic imaging can be well suppressed by stacking. Accordingly, we propose a method for performing RTM by employing HSR data. Numerical tests primarily verify the proposed method by use of 2D and 3D acoustic wave equations. Subsequently, we execute least square RTM to suppress crosstalk artifacts, further improving the imaging quality. At last, we stack images derived from trains with different velocities, which extends the frequency band, effectively overcoming the limit from the discrete spectrum of the source wavelet. © Science China Press and Springer-Verlag GmbH Germany, part of Springer Nature 2022 |
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