Capacitive versus Overlap Decoupling of Adjacent Radio Frequency Phased Array Coil Elements: An Imaging Robustness Comparison When Sample Load Varies for 3 Tesla MRI

Table 2

Simulated (S) versus measured (M) S-parameters of the 5-ch CD PA coil and the 5-ch OD PA coil.

El#	2	3	4	5
S/m	0.3 (0.6) 0.9	0.3 (0.6) 0.9	0.3 (0.6) 0.9	0.3 (0.6) 0.9
1 S-CD	−14.3 (−13.4) −13.4	−5.30 (−7.90) −9.70	−12.1 (−16.0) −18.8	−12.9 (−17.6) −21.5
S-OD	−12.1 (−10.5) −10.3	−4.10 (−6.00) −7.50	−10.1 (−13.3) −15.6	−10.8 (−15.1) −18.6
M-CD	−16.8 (−15.3) −14.4	−6.80 (−9.30) −10.7	−13.3 (−17.6) -20.0	−15.0 (−19.4) −21.9
M-OD	−11.2 (−11.4) −9.70	−5.70 (−7.80) −9.00	−12.7 (−17.5) −20.1	−9.10 (−13.5) −15.8
2 S-CD		−14.5 (−13.6) −13.5	−5.50 (−8.10) −10.0	−12.1 (−16.0) −18.8
S-OD		−12.5 (−10.6) −10.2	−4.00 (−5.90) −7.30	−10.0 (−13.3) −15.6
M-CD		−20.4 (−17.0) −16.6	−7.70 (−10.4) −12.0	−15.0 (−18.1) −20.6
M-OD		−14.7 (−12.3) −11.9	−5.80 (−8.60) −10.2	−12.4 (−16.6) −19.1
3 S-CD			−14.5 (−13.6) −13.5	−5.40 (−7.90) −9.70
S-OD			−12.6 (−10.6) −10.2	−4.00 (−6.00) −7.50
M-CD			−17.0 (−16.0) 15.7	−7.80 (−9.70) −10.9
M-OD			−15.2 (−13.0) −12.1	−5.60 (−7.70) −8.60
4 S-CD				−14.2 (−13.4) −13.4
S-OD				−12.2 (−10.5) −10.3
M-CD				−16.7 (−15.4) −14.0
M-OD				−11.0 (−11.8) −9.60