cr.sparse.wt.build_wavelet¶
- cr.sparse.wt.build_wavelet(name)[source]¶
Builds a wavelet object by the name of the wavelet
- Parameters
name (str) – Name of the wavelet
- Returns
a discrete wavelet object
- Return type
Example
>>> wavelet = wt.build_wavelet('db1') >>> print(wavelet) Wavelet db1 Family name: Daubechies Short name: db Filters length: 2 Orthogonal: True Biorthogonal: True Symmetry: asymmetric DWT: True CWT: False >>> dec_lo, dec_hi, rec_lo, rec_hi = wavelet.filter_bank >>> print(dec_lo) >>> print(dec_hi) >>> print(rec_lo) >>> print(rec_hi) [0.70710678 0.70710678] [-0.70710678 0.70710678] [0.70710678 0.70710678] [ 0.70710678 -0.70710678] >>> phi, psi, x = wavelet.wavefun()