| Presentation | 2012-03-09 A Design Method for IIR Filters with Changeable Multifactors in the Stopband Using Successive Projection Method Toma MIYATA, Naoyuki AIKAWA, |
|---|---|
| PDF Download Page |  PDF download Page Link |
| Abstract(in Japanese) | (See Japanese page) |
| Abstract(in English) | In this paper, we propose a design method for variable IIR digital filters with changeable multifactors in the stopband using the successive projection (SP) method. The SP method is less computer memory to design digital filters than semidefinite programming. The proposed variable IIR filter has piecewise high stopband attenuation in the stopband, and the filter varies stopband edge frequency, and both the frequency and its magnitude in the picewise high attenuation. The filter coefficients are composed polynomial expression using spectrum parameters to vary the filter characteristics. Stability criterion based on the system matrix as necessary and sufficient condition is used to guarantee the filter stability. Then, the proposed filter has a larger stopband attenuation than one obtained by the conventional method. In addition, we propose correcting method of unstable polynomial coefficients to stable one. Finaly, we demonstrate effectiveness of the proposed method. |
| Keyword(in Japanese) | (See Japanese page) |
| Keyword(in English) | Successive projection method / Variable IIR filters / Stability criterion method |
| Paper # | CAS2011-150,SIP2011-170,CS2011-142 |
| Date of Issue |
| Conference Information | |
| Committee | CAS |
|---|---|
| Conference Date | 2012/3/1(1days) |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | |
| Chair | |
| Vice Chair | |
| Secretary | |
| Assistant | |
| Paper Information | |
| Registration To | Circuits and Systems (CAS) |
|---|---|
| Language | JPN |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | A Design Method for IIR Filters with Changeable Multifactors in the Stopband Using Successive Projection Method |
| Sub Title (in English) | |
| Keyword(1) | Successive projection method |
| Keyword(2) | Variable IIR filters |
| Keyword(3) | Stability criterion method |
| 1st Author's Name | Toma MIYATA |
| 1st Author's Affiliation | Graduate School of Tokyo University of Science() |
| 2nd Author's Name | Naoyuki AIKAWA |
| 2nd Author's Affiliation | Tokyo University of Science |
| Date | 2012-03-09 |
| Paper # | CAS2011-150,SIP2011-170,CS2011-142 |
| Volume (vol) | vol.111 |
| Number (no) | 465 |
| Page | pp.pp.- |
| #Pages | 6 |
| Date of Issue | |