Remote sensing of homogeneous and inhomogeneous ground using parameter optimization techniques

The remote sensing and diagnostics of homogeneous and an inhomogeneous layered medium is considered. The medium (ground) occupies the lower half-space, while the air occupies the upper half-space. The probing is carried out by two current-carrying horizontal coplanar small loops (magnetic dipoles) lying on the surface of the medium. The voltage induced in the receiving loop is measured. The ratio of the received voltage to the source current is the mutual coupling between the source and the receiver. It is found convenient to simulate numerically the response of the actual medium rather than finding it from experimental measurements. The optimization procedure applies different IMSL routines, and a variety of cost functions.<>