Abstract
In seismic data processing, the interference of multiple reflections is still a big problem. It is the multiple wave that causes the SNR of seismic data to reduce greatly, and disturbs the identifiability of effective wave. It may seriously influence seismic interpretation work as well. How to attenuate the multiple wave effectively is a long-standing problem in seismic data processing. In this paper we first introduce the theory named trace transform first, based on which we quote the method called Co-Core trace transform in multiple attenuation. After NMO, the horizontal event is the effective wave record, which makes this method to recover the effective wave feasible. Using the method in 180 channels seismic date and through thresholding, we can see the good recovery of effective wave. The Amplitude fading is little by contrasting to the single channel. Through this method not only the multiple wave is attenuated effectively, the energy of the effective wave is well reserved. The random noise is also eliminated here.
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© 2012 Springer-Verlag GmbH Berlin Heidelberg
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Sun, H., Li, Y., Wu, N., Song, P., Ma, H. (2012). The Preliminary Research of Multiple Attenuation Based on Co-Core Trace Transform. In: Qian, Z., Cao, L., Su, W., Wang, T., Yang, H. (eds) Recent Advances in Computer Science and Information Engineering. Lecture Notes in Electrical Engineering, vol 128. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-25792-6_24
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DOI: https://doi.org/10.1007/978-3-642-25792-6_24
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