Module wavelet.wavelets.bior2_2
Biorthogonal 2.2 wavelet
Expand source code
""" Biorthogonal 2.2 wavelet """
class Biorthogonal22:
"""
Properties
----------
near symmetric, not orthogonal, biorthogonal
All values are from http://wavelets.pybytes.com/wavelet/bior2.2/
"""
__name__ = "Biorthogonal Wavelet 2.2"
__motherWaveletLength__ = 6 # length of the mother wavelet
__transformWaveletLength__ = 2 # minimum wavelength of input signal
# decomposition filter
# low-pass
decompositionLowFilter = [
0.0,
-0.1767766952966369,
0.3535533905932738,
1.0606601717798214,
0.3535533905932738,
-0.1767766952966369,
]
# high-pass
decompositionHighFilter = [
0.0,
0.3535533905932738,
-0.7071067811865476,
0.3535533905932738,
0.0,
0.0,
]
# reconstruction filters
# low pass
reconstructionLowFilter = [
0.0,
0.3535533905932738,
0.7071067811865476,
0.3535533905932738,
0.0,
0.0,
]
# high-pass
reconstructionHighFilter = [
0.0,
0.1767766952966369,
0.3535533905932738,
-1.0606601717798214,
0.3535533905932738,
0.1767766952966369,
]
Classes
class Biorthogonal22
-
Properties
near symmetric, not orthogonal, biorthogonal
All values are from http://wavelets.pybytes.com/wavelet/bior2.2/
Expand source code
class Biorthogonal22: """ Properties ---------- near symmetric, not orthogonal, biorthogonal All values are from http://wavelets.pybytes.com/wavelet/bior2.2/ """ __name__ = "Biorthogonal Wavelet 2.2" __motherWaveletLength__ = 6 # length of the mother wavelet __transformWaveletLength__ = 2 # minimum wavelength of input signal # decomposition filter # low-pass decompositionLowFilter = [ 0.0, -0.1767766952966369, 0.3535533905932738, 1.0606601717798214, 0.3535533905932738, -0.1767766952966369, ] # high-pass decompositionHighFilter = [ 0.0, 0.3535533905932738, -0.7071067811865476, 0.3535533905932738, 0.0, 0.0, ] # reconstruction filters # low pass reconstructionLowFilter = [ 0.0, 0.3535533905932738, 0.7071067811865476, 0.3535533905932738, 0.0, 0.0, ] # high-pass reconstructionHighFilter = [ 0.0, 0.1767766952966369, 0.3535533905932738, -1.0606601717798214, 0.3535533905932738, 0.1767766952966369, ]
Class variables
var decompositionHighFilter
var decompositionLowFilter
var reconstructionHighFilter
var reconstructionLowFilter