Name

wfilters — wavelet filter set

Calling Sequence

[Lo_D,Hi_D,Lo_R,Hi_R]=wfilters(wname)
[Lo_D,Hi_D]=wfilters(wname,'d')
[Lo_R,Hi_R]=wfilters(wname,'r')
[Lo_D,Lo_R]=wfilters(wname,'l')
[Hi_D,Hi_R]=wfilters(wname,'h')

Parameters

wname
: wavelet name
Lo_D
: lowpass analysis filter
Hi_D
: highpass analysis filter
Lo_R
: lowpass synthesis filter
Hi_R
: highpass synthesis filter

Description

wfilters is an utility function for obtaining analysis and synthesis filter set.

Examples

  [lo_d,hi_d,lo_r,hi_r]=wfilters('db2');
 

Authors

Roger Liu and Isaac Zhi

See Also

orthfilt , biorfilt