| 摘要 |
FIELD: electricity.SUBSTANCE: method involves use of generator 2 that creates induced current and that cyclically forms induced current. Examination of magnetic field is repeated at many measurement points on ground surface using device 1 for measurement of magnetic field, which includes a magnetic impedance device having magnetic amorphous structure, and a bar part of the core, which directs magnetic field to magnetic amorphous structure and is located in longitudinal direction relative to magnetic amorphous structure. Reference value of the examination data is corrected so that the examination data lies in the specified range, based on the value obtained by integration of the examination date for the period of time, during which integral value of signal of magnetic field, which is based on output current from the generator creating the induced current, is equal to zero. The examination data of magnetic field, which includes signal of magnetic field, which is based on output current from generator 2 creating the induced current, is stored. Distributions of specific resistances in lower ground layers are calculated based on the examination data corresponding to each of multiple measurement points.EFFECT: improvement of the method.8 cl, 14 dwg |
