Fast Simultaneous B0/B1 Mapping by Bloch-Siegert Shift with Improved Gradient Scheme and Pulse Design

Keywords

absorption abstract accuracy acquisition added advantage affect affecting allow allowable allows although approved artifacts band bandwidth become blue brain channel coil column combined common constant correction crusher dependence design determines developed deviation diagram direct directly dividing duration effective effectiveness error errors excitation excited explored fast field final finally flexibility fold frequency generally generated generates giving gradient green head health human implementation imprecise improved improving in vivo inhomogeneity instead institutes investigated leads little longer magnet mapping maps matrix maximized measured medical middle minimal minimization mitigate much national noise nominal offset offsets optimization optimized optimizing option options original outside oxford pair panel passband performance phantom practice properly proportional proposed pulse pulses quality quite readout reason recently reduce reduced reduces reducing reduction relate relatively repetitions requirement respectively response restrictive ripple risk scaled scanning scheme schemes selected selection sensitivity shape simulated simultaneous since slice spatial spins stop strength stretching studies table theoretical tolerance transfer transmit variations volunteer