2D stabilised analytic signal method in DC pole-pole potential data interpretation |
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| Authors: | Paras R Pujari Rambhatla G Sastry |
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| Institution: | (1) National Environmental Engineering Research Institute (NEERI), Nehru Marg, 440 020 Nagpur, India;(2) Department of Earth Sciences, IIT, 247 667 Roorkee, India |
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| Abstract: | Using analytic signal method, interpretation of pole-pole secondary electric potentials due to 2D conductive/resistive prisms
is presented. The estimated parameters are the location, lateral extent or width and depth to top surface of the prism. Forward
modelling is attempted by 2D-Finite Difference method. The proposed stabilised analytic signal algorithm (RES2AS) uses Tikhonov’s
regularization scheme and FFT routines. The algorithm is tested on three theoretical examples and field data from the campus
of Roorkee University. The stability of RES2AS is also tested on synthetic error prone secondary pole-pole potential data. |
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| Keywords: | Analytic signal regularisation secondary electric potentials |
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