spkit.create_dictionary

spkit.create_dictionary(Nmax, rowSize, method='Ramanujan')

Creating Dictionary for RFB

Creating Dictionary for RFB

Parameters:

Nmaxmaximum expected Period,

rowSizenumber of rows (e.g. samples in signal)

method‘Ramanujan’ ‘random’, ‘NaturalBasis’, ‘DFT’

Returns:

AMatrix of (rowSize, q)

See also

ramanujan_filter_prange, regularised_period_estimation, create_dictionary

Notes

• spkit

References

The relevant paper is: [1] S.V. Tenneti and P. P. Vaidyanathan, “Nested Periodic Matrices and Dictionaries:

New Signal Representations for Period Estimation”, IEEE Transactions on Signal Processing, vol.63, no.14, pp.3736-50, July, 2015.

Python impletation is done by using matlab code version from - http://systems.caltech.edu/dsp/students/srikanth/Ramanujan/

Examples

import numpy as np import spkit as sp