The Tip-Angle-Doubling Method and Its Applications to Large Tip Angle Pulse Design

Keywords

according accuracy achieve achieved achieving aligned allows amplitude applicable applications applied apply applying assembled axis berg birdcage block blue channel clinical coil computation conjugated construct correction costs days define denoted dependent described design designing desired dimensional discrete division doubling dwell employed equation exactly excitation excite exploited extra fact fast field gradient gradients head holds indeed inhomogeneities inhomogeneity initially introduce known lack loaded local magnetization makes many maps materials matrices matrix measured minus mirrored note omitted optimization parallel part peter phantom practice press principle product profile profiles proof proven pulse pulses real regime representation require reversed robustness rotation sample scaled scaling scanner selective series shaped sign similarly simple simulated simulations since slab slice space spatially spherical spin spins still subject suppose symmetrically system systems tackle tipped tools transmit twice undergo unit vector version waveform waveforms whole