1887

Abstract

Summary

Despite the popularity that full-waveform inversion (FWI) has gained in recent years, its application to Vibroseis data is still challenging, due to the problematic low-frequency content. We present the results of acoustic frequency-domain FWI of Vibroseis data with sweep starting at 6 Hz, acquired with standard 10 Hz geophones in 2010 in south-east Poland. 4.5 Hz matching filter and curvelet denoising in the frequency domain are used to enhance the low-frequency content of the data. This, together with dense sampling of the frequencies in the first inversion group, resulted in a geologically plausible P-wave velocity model, which correctly reproduces the data, including the far-offset arrivals and wide-angle reflections.

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/content/papers/10.3997/2214-4609.20140711
2014-06-16
2020-08-12
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References

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