Table 1.
Parameters for MR experiments.
Phantom | Knee | Brain | |||||||||
---|---|---|---|---|---|---|---|---|---|---|---|
PETRA | PETRA | PETRA | UTE | RHE | RHE | PETRA | PETRA | PETRA | UTE | RHE | |
Gmax (mTm-1) | 7 | 14 | 20 | 35 | 35 | 35 | 7 | 14 | 20 | 35 | 35 |
GRF (mTm-1) | n/a | n/a | n/a | n/a | 7 | 5 | n/a | n/a | n/a | n/a | 7 |
RF pulse width (μs) | 24 | 24 | 8, 24 | ||||||||
Flip angle (°) | 6 | 6 | 2, 6 | ||||||||
NSPI | 33 | 33 | 33 | n/a | 33 | 33 | 33 | 33 | 33 | n/a | 33 |
# of SPI encoding | 17707 | 17707 | 17707 | n/a | 17707 | 17707 | 17707 | 17707 | 17707 | n/a | 17707 |
# of FE encoding | 80000 | 80000 | 80000 | 80000 | 80000 | 80000 | 80000 | 80000 | 80000 | 80000 | 80000 |
Slew rate (mTm-1ms-1) | 118 | 118 | 118 | 118 | 118 | 118 | 118 | 118 | 118 | 118 | 118 |
TE (μs) | 90 | 90 | 90 | 90 | 90 | 90, 1502, 1550, 2900, 2950 | 90 | 90 | 90 | 90 | 90 |
TEnc (μs) | 1680 | 838 | 588 | 588 | 438 | 788 | 1680 | 838 | 588 | 588 | 438 |
TR (ms) | 3.3 | 3.3 | 3.3 | 3.3 | 3.3 | 5.6 | 3.3 | 3.3 | 3.3 | 3.3 | 3.3 |
RF coil | 8ch receive only head coil | 8ch T/R knee coil | 8ch receive only head coil | ||||||||
Scan time | 5m 23s | 5m 23s | 5m 23s | 4m 28s | 5m 23s | 9m 10s | 5m 23s | 5m 23s | 5m 23s | 4m 28s | 5m 23s |