Specifications

University of Pretoria etd – Combrinck, M (2006)
component (h
z
(t)) generated from a vertical magnetic dipole source through abrupt
termination of current in a horizontal loop. The response for a sphere in free space
(σ1/σ2=0) corresponds with solutions obtained by Nabighian (1971) and McNeill (1980).
Figure 2-5 A permeable conducting sphere embedded in a conducting infinite space. The
dipolar source is located at S(r
0
,0,0) outside the sphere (after Singh 1973).
Figure 2-6 Time characteristic of h
v
1rr
(t) for r/a=2, µ
2
/µ
1
=1, and variable σ
1
/σ
2
(after Singh
1973).
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