This paper presents the use of signal processing techniques such as apodization and phase based methods with the aim of improving the quality of images created from the seismic data array. These signal processing techniques, which are commonly used for non-destructive testing and biomedical ultrasonic arrays, are implemented. Apodization techniques used are Dual Apodization, Dual Apodization with Cross-Correlation, Complex Dual Apodization and Spatially Variant Apodization. The phase methods used are Phase Coherence Factor, Sign Coherence Factor, Coherence Factor Map, Instantaneous Phase Image and Instantaneous Phase Weight. The paper presents a comparison between the different techniques based on simulated data. The use of such techniques results in an improvement in the seismic images with no extra cost or modification of the experimental technique.

Apodization and phase methods applied to the seismic detection of underground objects / Rustighi, E.; Leclere, Q.; Muggleton, J. M.. - (2018), pp. 3227-3241. ((Intervento presentato al convegno 28th International Conference on Noise and Vibration Engineering, ISMA 2018 and 7th International Conference on Uncertainty in Structural Dynamics, USD 2018 tenutosi a Leuven nel 17th-19th September 2018.

Apodization and phase methods applied to the seismic detection of underground objects

Rustighi E.;
2018

Abstract

This paper presents the use of signal processing techniques such as apodization and phase based methods with the aim of improving the quality of images created from the seismic data array. These signal processing techniques, which are commonly used for non-destructive testing and biomedical ultrasonic arrays, are implemented. Apodization techniques used are Dual Apodization, Dual Apodization with Cross-Correlation, Complex Dual Apodization and Spatially Variant Apodization. The phase methods used are Phase Coherence Factor, Sign Coherence Factor, Coherence Factor Map, Instantaneous Phase Image and Instantaneous Phase Weight. The paper presents a comparison between the different techniques based on simulated data. The use of such techniques results in an improvement in the seismic images with no extra cost or modification of the experimental technique.
Proceedings of ISMA 2018, International Conference on Noise and Vibration Engineering, and USD 2018, International Conference on Uncertainty in Structural Dynamics
Heverlee, Belgium
KU Leuven - Departement Werktuigkunde
9789073802995
Rustighi, E.; Leclere, Q.; Muggleton, J. M.
Apodization and phase methods applied to the seismic detection of underground objects / Rustighi, E.; Leclere, Q.; Muggleton, J. M.. - (2018), pp. 3227-3241. ((Intervento presentato al convegno 28th International Conference on Noise and Vibration Engineering, ISMA 2018 and 7th International Conference on Uncertainty in Structural Dynamics, USD 2018 tenutosi a Leuven nel 17th-19th September 2018.
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11572/290555
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