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Fig. 11.56 Pseudo-topographies of the impedance phase
brd in the presence of strong near-surface
noise: NP, CP, and MP are, respectively, the near-surface, crustal, and mantle prisms. The horizontal
scale of distances is given in kilometers, and the vertical scale of phases is given in degrees
whence
H x ( x
,
y
,
h 1 )
H x ( x
,
y
,
0)
E y ( x
,
y
,
0)
S 1 ( x
,
y )
=
(11
.
24)
H y ( x
,
y
,
h 1 )
H y ( x
,
y
,
0)
.
E x ( x
,
y
,
0)
H y ) z = 0 be known on the
Earth's surface. Then with the given underlying substratum we can transform
E y ) z = 0 , H τ ( H x ,
Let the electromagnetic field E τ ( E x ,
 
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