Ideal Operators

Summary

cmrsim.bloch._ideal.InstantaneousPulse(...)

Module designed debug simulation by assuming instananeous excitation with a given flip angle and slice-profile

cmrsim.bloch._ideal.PerfectSpoiling(name[, ...])

Module designed to debug simulations by making residual magnetization effects negligible

Modules

InstantaneousPulse

class InstantaneousPulse(complex_flip_angle, slice_position, slice_thickness, slice_normal, slice_profile=None, device=None)

Module designed debug simulation by assuming instananeous excitation with a given flip angle and slice-profile

Parameters:

• complex_flip_angle (Tensor) – (n, ) - tf.complex64

• slice_position (Tensor) –

• slice_thickness (float) –

• slice_normal (Tensor) –

• slice_profile (str) –

• device (str) –

Methods:

__call__(trajectory_module, ...[, ...])

Call self as a function.

__call__(trajectory_module, initial_position, magnetization, repetition_index=0, **kwargs)

Call self as a function.

Parameters:

• trajectory_module (callable) –

• initial_position (Tensor) –

• magnetization (Tensor) –

• repetition_index (Tensor) –

PerfectSpoiling

class PerfectSpoiling(name, device=None)

Module designed to debug simulations by making residual magnetization effects negligible

Methods:

__call__(magnetization, **kwargs)

Simply sets the transverse magnetization to 0.

Parameters:

• name (str) –

• device (str) –

__call__(magnetization, **kwargs)

Simply sets the transverse magnetization to 0.

Parameters:

magnetization (Tensor) – (#batch, 3)

Returns:

(#batch, 3)