Fig. 7:

Experimental coil-phantom setup (a) and measured $b_1^{+}$ magnitude of each transmit coil for the central coronal plane (b) are compared to the $b_1^{+}$ maps simulated with the coil model (d) using a numerical phantom with the same electrical properties and dimensions of the actual phantom. Due to the complexity of the transmit array, the incident fields could not be accurately modeled; therefore measured and simulated maps were not identical.