A method for determining the average attenuation coefficient as a function of one‐way traveltime and frequency

Kamel, Manal; Bayoumi, A.I.; Ass'ad, Jamal M.; McDonald, John A.

doi:10.1190/1.1822616

SEG Technical Program Expanded Abstracts 1993 1993

DOI: 10.1190/1.1822616

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A method for determining the average attenuation coefficient as a function of one‐way traveltime and frequency

Manal Kamel¹,

A.I. Bayoumi²,

Jamal M. Ass'ad³

et al.

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2006

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Time-domain inversion of GPR data containing attenuation due to conductive losses

Zhang

Wang

2006

GEOPHYSICS

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Many seismic data processing and inversion techniques have been applied to ground-penetrating radar ͑GPR͒ data without including the wave field attenuation caused by conductive ground. Neglecting this attenuation often reduces inversion resolution. This paper introduces a GPR inversion technique that accounts for the effects of attenuation. The inversion is formulated in the time domain with the synthetic GPR waveforms calculated by a finite-element method ͑FEM͒. The Jacobian matrix can be computed efficiently with the same FEM forward modeling procedure. Synthetic data tests show that the inversion can generate high-resolution subsurface velocity profiles even with data containing strong random noise. The inversion can resolve small objects not readily visible in the waveforms. Further, the inversion yields a dielectric constant that can help to determine the types of material filling underground cavities.

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Time-domain inversion of GPR data containing attenuation due to conductive losses

Zhang

Wang

2006

GEOPHYSICS

View full text Add to dashboard Cite

show abstract

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A method for determining the average attenuation coefficient as a function of one‐way traveltime and frequency

Cited by 1 publication

References 1 publication

Time-domain inversion of GPR data containing attenuation due to conductive losses

Time-domain inversion of GPR data containing attenuation due to conductive losses

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