Research Article
Design of IIR Digital Filters with Arbitrary Flatness Using Iterative Quadratic Programming
Table 1
Comparison with [
12] in Example 1.
| | | | | | CPU time (s) | Iteration number |
| Proposed | 9 | 5.622 × 10−5 | 3.618 × 10−3 | 0.980 | 1.334 | 16 | 10 | 1.248 × 10−5 | 7.741 × 10−4 | 0.952 | 0.587 | 10 | 11 | 4.416 × 10−5 | 6.501 × 10−3 | 0.890 | 0.537 | 10 | 12 | 1.098 × 10−4 | 3.224 × 10−2 | 0.858 | 0.510 | 8 | 13 | 2.060 × 10−4 | 1.146 × 10−1 | 0.847 | 0.525 | 9 |
|
Reference [12] | 9 | 2.281 × 10−6 | 2.657 × 10−5 | 1.051 | 0.121 | 6 | 10 | 1.269 × 10−5 | 7.257 × 10−4 | 0.953 | 0.134 | 6 | 11 | 4.608 × 10−5 | 6.499 × 10−3 | 0.891 | 0.124 | 6 | 12 | 1.168 × 10−4 | 3.238 × 10−2 | 0.858 | 0.124 | 6 | 13 | 3.129 × 10−4 | 1.122 × 10−1 | 0.846 | 0.130 | 6 |
|
|