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This paper presents numerical results of the Gauss-Newton minimization algorithm application to inversion of an orientation of the metallic object with an oblong form. The Method of Auxiliary Sources (MAS) is used to obtain the synthetic data of the electromagnetic induction (EMI) in conducted numerical investigations. In the studies, presented here, it is assumed that electromagnetic and geometrical...
In this paper we present simulation results, which illustrate how water level's heaving, can influence on low-frequency magnetic response of the electrically highly-conducting object placed in water environment. The time domain problem is solved using interpolation of partial solutions obtained in the frequency domain. In the frequency domain Electromagnetic problems are solved using the method of...
This paper presents results of numerical simulation and algorithm of simultaneous inversion of soil's and immersed object's electromagnetic parameters. Inversion is performed from data of electromagnetic induction (EMI) sensing, when all other geometric parameters of the problem are known. Discrimination procedure of subsurface objects such as landmines and unexploded ordnances (UXO) accomplishes...
Electromagnetic induction (EMI) sensing has been identified as most promising technology for the detection and discrimination of subsurface metallic objects, particularly unexploded ordnances (UXO). In EMI, the sensors are detecting signals that are produced by induced and permanent magnetic polarizations. Soils, which contain small magnetic particles, called magnetically susceptible soils, can produce...
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