Research Article
Studies on Z-Window Based FIR Filters
Table 4
Comparative performance of QMF bank.
| | Type of QMF | Filter order, | Reconstruction error (dB) | Aliasing error (dB) | FESBA (dB) |
| | ZWF, dips at | 70 | 0.00649 | 2.319 × 10−3 | −78.01 | | ZWF, dips at | 70 | 0.0172 | 4.302 × 10−6 | −123.2 | | ZWF, dips at | 70 | 0.0127 | 2.584 × 10−7 | −162.5 | | ZWF, dips at | 70 | 0.00934 | 1.614 × 10−7 | −175.6 | | KWF | 40 | 0.02349 | 1.989 × 10−4 | −90.74 | | KWZ () | 70 | 0.01243 | 1.007 × 10−6 | −125.8 |
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