Module wavelet.wavelets.bior3_1
Biorthogonal 3.1 wavelet
Expand source code
""" Biorthogonal 3.1 wavelet """
class Biorthogonal31:
"""
Properties
----------
near symmetric, not orthogonal, biorthogonal
All values are from http://wavelets.pybytes.com/wavelet/bior3.1/
"""
__name__ = "Biorthogonal Wavelet 3.1"
__motherWaveletLength__ = 4 # length of the mother wavelet
__transformWaveletLength__ = 2 # minimum wavelength of input signal
# decomposition filter
# low-pass
decompositionLowFilter = [
-0.3535533905932738,
1.0606601717798214,
1.0606601717798214,
-0.3535533905932738,
]
# high-pass
decompositionHighFilter = [
-0.1767766952966369,
0.5303300858899107,
-0.5303300858899107,
0.1767766952966369,
]
# reconstruction filters
# low pass
reconstructionLowFilter = [
0.1767766952966369,
0.5303300858899107,
0.5303300858899107,
0.1767766952966369,
]
# high-pass
reconstructionHighFilter = [
-0.3535533905932738,
-1.0606601717798214,
1.0606601717798214,
0.3535533905932738,
]
Classes
class Biorthogonal31
-
Properties
near symmetric, not orthogonal, biorthogonal
All values are from http://wavelets.pybytes.com/wavelet/bior3.1/
Expand source code
class Biorthogonal31: """ Properties ---------- near symmetric, not orthogonal, biorthogonal All values are from http://wavelets.pybytes.com/wavelet/bior3.1/ """ __name__ = "Biorthogonal Wavelet 3.1" __motherWaveletLength__ = 4 # length of the mother wavelet __transformWaveletLength__ = 2 # minimum wavelength of input signal # decomposition filter # low-pass decompositionLowFilter = [ -0.3535533905932738, 1.0606601717798214, 1.0606601717798214, -0.3535533905932738, ] # high-pass decompositionHighFilter = [ -0.1767766952966369, 0.5303300858899107, -0.5303300858899107, 0.1767766952966369, ] # reconstruction filters # low pass reconstructionLowFilter = [ 0.1767766952966369, 0.5303300858899107, 0.5303300858899107, 0.1767766952966369, ] # high-pass reconstructionHighFilter = [ -0.3535533905932738, -1.0606601717798214, 1.0606601717798214, 0.3535533905932738, ]
Class variables
var decompositionHighFilter
var decompositionLowFilter
var reconstructionHighFilter
var reconstructionLowFilter