Improved Bloch-Siegert Based B1 Mapping by Reducing Off-Resonance Shift

Keywords

accuracy achieve achieved acquisition actual addition adverse allowable allows although analytical approved approximation assumed audience beyond blue calculation calibrate channel close coil common comparable condition conditions confirmed constant continues corrected correcting crusher crushers defined degrees depend dependency deposition derived detrimental direct divided dual duration efficiencies efficiency energy equations estimation even evolution excitation exhibition facilitates fast feature finally findings fold frequency function gradient gradients green hard head health human identical illustrated improved improvement in vivo inhomogeneity institutes irradiation larger linear long longer magnet magnetization makes mapping medical meeting mentioned minimize mitigated model modifications modified nature nice noise nova offsets optimal optimizations optimize optimized original oscillation overdriven overdriving oxford peak performance peter physicists power practice proposed pulse rather recent reduces reducing refer regime related repetition reproduced respectively robustness section selected selective sensitivity shape shorter side simulation simulations since slice speed steady still studied studies sufficient suggests target theoretical thermal traditional traditionally various versus volunteer words