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A new method is presented for designing FIR halfband filters for orthonormal wavelets. When the filter degree, number of vanishing moments, and tolerance error in passband/stopband are specified, the filters with the maximal passband/stopband width are designed by using Remez exchange algorithm. It is well-known that Remez exchange algorithm is an efficient approach for equiripple design of FIR linear phase filters. Therefore, FIR halfband filters with a given tolerance error can be easily obtained. Finally, some examples are presented to demonstrate the effectiveness of the proposed design method.
Published in:
Signal Processing Letters, IEEE
(Volume:16
,
Issue:
9
)
Date of Publication: Sept. 2009
- Page(s):
- 814 - 817
- ISSN :
- 1070-9908
- INSPEC Accession Number:
- 10798337
- Digital Object Identifier :
- 10.1109/LSP.2009.2025829
- Product Type:
- Journals & Magazines
- Date of Publication :
- 19 June 2009
- Date of Current Version :
- 14 July 2009
- Issue Date :
- Sept. 2009
- Sponsored by :
- IEEE Signal Processing Society
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