Research Article
Frequency-Based Optimization Design for Fractional Delay FIR Filters with Software-Defined Radio Applications
Table 1
Comparison of approximation errors for several methods.
| Methods | (dBs) | |
| WLS design [19] | | | Improved WLS [24] | | | Discretization-free [20] | | | Variable Factional Delay [21] | | | | | | Direct Taylor approximation [18] | | | Proposed method | | |
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