)
(
0,
E
E
−
=
s
E
E
dt tE
E
E
0
0,
), (
exp ) (
) (
=
N
i
i
i
i
A
E
A
w
N E
) (
) (
=
=
s
dt tE
0
0
), (
ln
(E) depends on
e
(linear) and Z
eff
x
(x=3-4)
Principle of CT operation
Visible Human Project