A direct optimization method for low group delay FIR filter design
This paper studies the design of FIR filter with low group delay, where the desired phase response is not being approximated. It is formulated as a constrained optimization problem, which is then solved globally. Numerical experiments show that our design method can produce a filter with smaller gro...
| Main Authors: | , , |
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| Format: | Journal Article |
| Published: |
Elsevier BV
2013
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| Subjects: | |
| Online Access: | http://hdl.handle.net/20.500.11937/30635 |
| _version_ | 1848753144509497344 |
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| author | Wu, Changzhi Gao, David Teo, Kok Lay |
| author_facet | Wu, Changzhi Gao, David Teo, Kok Lay |
| author_sort | Wu, Changzhi |
| building | Curtin Institutional Repository |
| collection | Online Access |
| description | This paper studies the design of FIR filter with low group delay, where the desired phase response is not being approximated. It is formulated as a constrained optimization problem, which is then solved globally. Numerical experiments show that our design method can produce a filter with smaller group delay than that obtained by the existing convex optimization method used in conjunction with a minimum phase spectral factorization method under the same design criteria. Furthermore, our formulation offers us the flexibility for the trade-off between the group delay and the magnitude response directly. It also allows the feasibility of imposing constraints on the group delay. |
| first_indexed | 2025-11-14T08:19:51Z |
| format | Journal Article |
| id | curtin-20.500.11937-30635 |
| institution | Curtin University Malaysia |
| institution_category | Local University |
| last_indexed | 2025-11-14T08:19:51Z |
| publishDate | 2013 |
| publisher | Elsevier BV |
| recordtype | eprints |
| repository_type | Digital Repository |
| spelling | curtin-20.500.11937-306352019-02-19T04:28:13Z A direct optimization method for low group delay FIR filter design Wu, Changzhi Gao, David Teo, Kok Lay Duality Low group delay Semi-definite programming This paper studies the design of FIR filter with low group delay, where the desired phase response is not being approximated. It is formulated as a constrained optimization problem, which is then solved globally. Numerical experiments show that our design method can produce a filter with smaller group delay than that obtained by the existing convex optimization method used in conjunction with a minimum phase spectral factorization method under the same design criteria. Furthermore, our formulation offers us the flexibility for the trade-off between the group delay and the magnitude response directly. It also allows the feasibility of imposing constraints on the group delay. 2013 Journal Article http://hdl.handle.net/20.500.11937/30635 10.1016/j.sigpro.2013.01.015 Elsevier BV fulltext |
| spellingShingle | Duality Low group delay Semi-definite programming Wu, Changzhi Gao, David Teo, Kok Lay A direct optimization method for low group delay FIR filter design |
| title | A direct optimization method for low group delay FIR filter design |
| title_full | A direct optimization method for low group delay FIR filter design |
| title_fullStr | A direct optimization method for low group delay FIR filter design |
| title_full_unstemmed | A direct optimization method for low group delay FIR filter design |
| title_short | A direct optimization method for low group delay FIR filter design |
| title_sort | direct optimization method for low group delay fir filter design |
| topic | Duality Low group delay Semi-definite programming |
| url | http://hdl.handle.net/20.500.11937/30635 |