Imaging for Physicists
RF Coils: Signal Characteristics
2 a x a I π
2
0 µ
(
) 2 2 4 2/3
B
=
Theoretical cylinder coils
+
π
SNR
a
Body Coil: Poor SNR Excellent uniformity
surface coils Surface Coil: Excellent SNR close to coil Poor uniformity
Distance
Finite Element Modelling used for complicated designs
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