Research Article
Design of Digital IIR Filter with Conflicting Objectives Using Hybrid Gravitational Search Algorithm
Table 8
Comparison of design results for LP, HP, BP, and BS Filters.
| | Technique | Lowest order of filter | Pass-band magnitude ripple | Stop-band magnitude ripple | Phase response error |
| | LP filter | | | | | | CCGA | 3 | | | | | NSGA-II | 3 | | | | | LS-MOEA | 3 | | | | | RCGA | 3 | | | | | GSA | 3 | | | | | HGSA | 3 | | | | | HP filter | | | | | | CCGA | 3 | | | | | NSGA-II | 3 | | | | | LS-MOEA | 3 | | | | | RCGA | 3 | | | | | GSA | 3 | | | | | HGSA | 3 | | | | | BP filter | | | | | | CCGA | 4 | | | | | NSGA-II | 4 | | | | | LS-MOEA | 4 | | | | | RCGA | 4 | | | | | GSA | 4 | | | | | HGSA | 4 | | | | | BS filter | | | | | | CCGA | 4 | | | | | NSGA-II | 4 | | | | | LS-MOEA | 4 | | | | | RCGA | 4 | | | | | GSA | 4 | | | | | HGSA | 4 | | | |
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