tfmri.signal.atanfilt

atanfilt(arg, cutoff=3.141592653589793, beta=100.0, name=None)[source]

Calculate an inverse tangent filter window at the specified coordinates.

This window has infinite domain.

Parameters

  • arg – Input tensor.

  • cutoff – A float in the range [0, pi]. The cutoff frequency of the filter.

  • beta –

    A float. The beta parameter of the filter.

  • name – Name to use for the scope.

Returns

A Tensor of shape arg.shape.

References

1

Pruessmann, K.P., Weiger, M., Börnert, P. and Boesiger, P. (2001), Advances in sensitivity encoding with arbitrary k-space trajectories. Magn. Reson. Med., 46: 638-651. https://doi.org/10.1002/mrm.1241