Full text loading...
-
Deconvolution of AEM Data via Analytically Described System Responses
- Publisher: European Association of Geoscientists & Engineers
- Source: Conference Proceedings, First European Airborne Electromagnetics Conference, Sep 2015, Volume 2015, p.1 - 5
Abstract
We present a new approach for deconvolution of the system response from measured AEM signals for the purpose of visualizing early-time data to gain insight in near-surface structure of the subsurface. Using an analytical representation of the system transfer function, we obtain a simple expression for a deconvolution kernel which is used to compute a version of the measured signal with higher apparent bandwidth.
Using simulated examples, we analyze the effects of the approach on noisy measurements from two receiver systems with different characteristics.
The simulations show that the approach offers a trade-off of higher apparent bandwidth for lower signal-to-noise ratio, and thus it is applicable for early-time data where the signal-to-noise ratio is high. We conclude that while deconvolution of this type is useful for visualization of early-time data, it is no substitute for proper choice of receiver system.