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The Method of Analytic Signal to Estimate Quality Factor Q
- Publisher: European Association of Geoscientists & Engineers
- Source: Conference Proceedings, 78th EAGE Conference and Exhibition 2016, May 2016, Volume 2016, p.1 - 5
Abstract
Summary
The analytic signal method is a kind of method that estimates Q in the time domain. It can distinguish natural attenuation and non-natural attenuation. The method has the problem of big local error and low anti-interference. To solve the problem, the method is below: seismic wavelet amplitude spectrum is doing exponent by M, then transform back into time domain. Using M equation to inverse Q based on the seismic signal. After the model testing, when the M is greater than 1, the method can decrease error and instability. When there is weak noise, the robustness of the method is higher than conventional analytic signal method.
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