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| Content Provider | IEEE Xplore Digital Library |
|---|---|
| Author | Durrani, T. Chapman, R. |
| Copyright Year | 1974 |
| Abstract | A new constrained optimization method for all-pole digital filter design is presented. The design philosophy employed minimizes a function of the area between the ideal low-pass filter response in the passband and the actual filter response subject to a quadratic constraint which ensures filter realizability. It is shown that unique solutions are obtained which are related to eigenvectors of a Toeplitz matrix whose elements form a scaled discrete prolate spheroidal wave sequence (DPSS). It is therefore possible to exploit the properties of DPSS and discrete prolate spheroidal wave functions (DPSWF's) to reduce the filter design effort. The ratio of passband energy to total energy over the entire filter bandwidth is optimal for these designs. |
| Starting Page | 716 |
| Ending Page | 721 |
| Page Count | 6 |
| File Size | 672500 |
| File Format | |
| ISSN | 00963518 |
| Volume Number | 32 |
| Issue Number | 4 |
| Language | English |
| Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Publisher Date | 1984-08-01 |
| Publisher Place | U.S.A. |
| Access Restriction | Subscribed |
| Rights Holder | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Subject Keyword | Passband Low pass filters Digital filters IIR filters Design methodology Optimization methods Frequency Lagrangian functions Eigenvalues and eigenfunctions Wave functions |
| Content Type | Text |
| Resource Type | Article |
| Subject | Signal Processing |
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