Research Article
Studies on Z-Window Based FIR Filters
Table 1
Observations to establish design relationships for ZWF.
| Number of dips, | Position of dips, | Filter order, | Normalized window width, | Stopband attenuation, (dB) |
| 1
| 1 | 17 | 1.576 | 16.93 | 1.1 | 21 | 2.09 | 20.61 | 1.6 | 35 | 3.35 | 38.89 | 1.7 | 37 | 3.61 | 42.57 | 2
| 2 | 47 | 4.53 | 44.12 | 2.6 | 57 | 5.73 | 60.73 | 3
| 3 | 69 | 6.74 | 61.09 | 3.8 | 79 | 7.87 | 76.66 | 4
| 4 | 91 | 8.98 | 78.49 | 4 | 99 | 9.84 | 90.34 | 5
| 5 | 111 | 11.03 | 93.28 | 5 | 121 | 11.95 | 105.67 | 6
| 6 | 131 | 13.04 | 107.82 | 6 | 141 | 13.92 | 118.93 | 7
| 7 | 151 | 15.05 | 121.36 | 7 | 161 | 15.91 | 132.82 | 8
| 8 | 171 | 17.04 | 135.27 | 8 | 181 | 17.91 | 146.78 | 9
| 9 | 191 | 19.05 | 149.31 | 9 | 199 | 19.89 | 160.68 | 10 | 10 | 213 | 21.12 | 163.82 | 10 | 219 | 21.85 | 174.42 |
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