mr2.operators.models.BMC

Bloch-McConnell simulation.

Functions

apply_propagation_step(state, step)	Apply a precomputed exact affine propagation step to a state.
exchange_generator(exchange_rate)	Construct exchange generator (Q) for (dM/dt = Q M).
gradient_to_extra_off_resonance(gradient_z, ...)	Convert gradients and isochromat positions to extra off-resonance in rad/s.
initial_state(parameters[, mz])	Create an initial magnetization state.
propagate(state, matrix, c, duration)	Propagate dynamics (dm/dt = A m + c) via exact affine evolution.
propagation_step(matrix, c, duration)	Build exact affine propagation steps for constant-system evolution.
system_base_matrix(parameters, rf_frequency)	Build the RF-amplitude independent Bloch-McConnell matrix.
system_matrix(parameters, rf_amplitude, ...)	Build affine Bloch-McConnell system (dm/dt = A m + c).
system_recovery_vector(parameters)	Build the affine recovery vector.
system_rf_matrix(parameters, rf_amplitude, ...)	Build the RF-amplitude dependent Bloch-McConnell matrix contribution.
transverse_readout(state)	Complex transverse readout per pool, averaged over isochromats.

Classes

AcquisitionBlock	Acquisition block that emits a readout.
BMCBlock	Base class for Bloch-McConnell blocks.
BMCSequence	Sequence of Bloch-McConnell blocks.
ConstantRFBlock	Constant RF block for a duration.
DelayBlock	Delay without RF.
GradientBlock	Gradient-only block with position-dependent phase accrual.
LongitudinalReadoutBlock	Read out longitudinal magnetization of a selected pool.
LorentzianMT	Lorentzian lineshape for MT saturation.
MTSaturation	Base class for MT lineshape models.
Parameters	Parameters for Bloch-McConnell simulation.
PiecewiseRFBlock	Piecewise-constant RF block.
ResetBlock	Reset state to equilibrium or to a provided state.
SliceSelectiveRFBlock	Piecewise RF block with an effective image-space slice profile.
SpoilBlock	Perfect spoiling with non-zero duration.
SuperLorentzianMT	Super-Lorentzian lineshape for MT saturation.