Magnetic resonance k-space (source code)

= Magnetic resonance k-space
{title2=$\mathbf k(t)=\gamma\int^t\mathbf G(t')dt'/(2\pi)$}

= MRI k-space
{c}
{synonym}

The spatial Fourier-frequency coordinates sampled by a magnetic-resonance acquisition. With gyromagnetic ratio in radians per time per field, the displayed expression is in cycles per length. Signal phase, gradient history and sequence refocusing determine the trajectory; the samples require reconstruction to form a spatial image.