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| Content Provider | IEEE Xplore Digital Library |
|---|---|
| Author | Wei-Ping Zhu Ahmad, M.O. Swamy, M.N.S. |
| Copyright Year | 1997 |
| Description | Author affiliation: Dept. of Electr. & Comput. Eng., Concordia Univ., Montreal, Que., Canada (Wei-Ping Zhu) |
| Abstract | In this paper, the least-square design problem of 2-D FIR digital filters with arbitrary frequency responses is investigated. By exposing and exploiting some of the characteristics of the complex matrices associated with the approximation problem, a closed-form solution is developed. The solution is presented as an explicit expression for the impulse response corresponding to the desired frequency response specifications. Thus, the method avoids the usual time-consuming procedures of optimization or matrix inversion and makes an extremely fast calculation of the filter's coefficients possible. It is also shown that when this solution is used to design some specific classes of filters, further computational savings can be achieved. Design examples for both linear-phase and nonlinear-phase filters are considered. |
| Starting Page | 769 |
| Ending Page | 772 |
| File Size | 420921 |
| Page Count | 4 |
| File Format | |
| ISBN | 078033583X |
| DOI | 10.1109/ISCAS.1997.609011 |
| Language | English |
| Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Publisher Date | 1997-06-12 |
| Publisher Place | Hong Kong |
| Access Restriction | Subscribed |
| Rights Holder | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Subject Keyword | Design methodology Finite impulse response filter Digital filters Frequency response IIR filters Filter bank Signal processing Closed-form solution Nonlinear filters Digital signal processing |
| Content Type | Text |
| Resource Type | Article |
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