Consider a MRI session. Assume the static field strength is , the z-gradient
is Gz=3 gauss/mm, and the gyromagnetic ratio is =4.258 KHz/gauss. We would
like to image a slice with center position z =10cm, thickness 0.5mm. Find the
frequency range of the RF waveform required.
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Consider a MRI session. Assume the static field strength is , the z-gradient is Gz=3 gauss/mm,...
6. Using MRI, you are imaging a plane of a 10 cm cube at z = 5 cm, using a slice thickness ΔΖ = 1 cm. Your system has the slice select gradient G,-1 G / mm and the cube has γ = 4.258 kHz / G. Find the bandwidth (in Hz) of the RF waveform you would be using to perform the slice selection
You are working with a 3 T MRI scanner with maximum gradient strength of 40 mT/m in all 3 axes (x,y,z). Your acquisition uses maximum gradient strength to minimize the duration of the data acquisition window. When the Gx is the only gradient that is turned on, what is the rotation frequency for spins located at x=5cm, y=5cm? The gyromagnetic ratio is γ=42.576 MHz/T