Projects(40804027,41074085) supported by the National Natural Science Foundation of China;Project(09JJ3048) supported by the Natural Science Foundation of Hunan Province,China;Project(200805331082) supported by the Research Fund for the Doctoral Program of Higher Education,China
In large loop transient electromagnetic method(TEM),the late time apparent resistivity formula cannot truly reflect the geoelectric model,thus it needs to define the all-time apparent resistivity with the position inf...