nmrglue.process.proc_base.ha

nmrglue.process.proc_base.ha(data)[source]

Hadamard Transform

Parameters :

data : ndarray

Array of NMR data.

Returns :

ndata : ndarray

Hadamard transform of NMR data.

Notes

This function is very slow. Implement a Fast Walsh-Hadamard Transform with sequency/Walsh ordering (FWHT_w) will result in much faster tranforms.

http://en.wikipedia.org/wiki/Walsh_matrix http://en.wikipedia.org/wiki/Fast_Hadamard_transform

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