A Novel Technique for Synthetic Source of Multiple Electromagnetic Data Sets*

Abstract

Abstract-A novel technique for synthetic source of multiple electromagnetic data sets is presented. The technique applies weighting to multiple transmitters of small magnetic moment loops to form a synthetic source for deep deposits exploration in complex terrain. In order to determine the weighting coefficient, a dipole model is employed to consider the coupling between the target and each transmitter and receiver. By assuming the possible orientation and location of the target, a look-up table of transmitting and receiving coupling coefficient is established to search for the approximate location and orientation of the target. Once the location and orientation of the target is decided through the matching process, a composite transmitter can be formed by summing the single transmitter data using weights calculated based on the coupling between the target and the transmitters, then the response from that target will be maximally enhanced.