EVIAcquisition

class snake.core.engine.cartesian.EVIAcquisition(*, model='simple', snr=inf)

Bases: EPIAcquisitionEngine

EVI Acquisition engine. Same as EPI, but the shots are longer.

Methods

__init__

Attributes

log	Get a logger.
model
snr

Parameters:

• model (str)

• snr (float)

_job_trajectories(data_loader, hdr, sim_conf, chunk)

Generate the fourier operator by iterating the dataset.

Parameters:

• data_loader (MRDLoader)

• hdr (ismrmrdHeader)

• sim_conf (SimConfig)

• chunk (Sequence[int])

Return type:

ndarray

static _job_model_T2s(phantom, dyn_datas, sim_conf, trajectories, smaps)

Acquire k-space data. With T2s decay.

Parameters:

• phantom (Phantom)

• dyn_datas (list[DynamicData])

• sim_conf (SimConfig)

• trajectories (ndarray[Any, dtype[_ScalarType_co]])

• smaps (ndarray[Any, dtype[_ScalarType_co]])

Return type:

ndarray

static _job_model_simple(phantom, dyn_datas, sim_conf, trajectories, smaps)

Acquire k-space data. No T2s decay.

Parameters:

• phantom (Phantom)

• dyn_datas (list[DynamicData])

• sim_conf (SimConfig)

• trajectories (ndarray[Any, dtype[_ScalarType_co]])

• smaps (ndarray[Any, dtype[_ScalarType_co]])

Return type:

ndarray

property log: Logger

Get a logger.