Table 2 ||H _W [ z]R[ z]||₂, ||H _W [ z]R[ z]|| _∞ , and l ₁ norms of the impulse response of H _W [ z]R[ z] for the fourth-order lowpass weighting function

H ₂ norm design

3.95×10⁻²

9.71×10⁻²

1.40×10⁻¹

H _∞ norm design

4.07×10⁻²

9.09×10⁻²

1.24×10⁻¹

l ₁ norm design

4.43×10⁻²

1.22×10⁻¹

1.23×10⁻¹

Nagahara design [11]

9.18×10⁻²

3.53×10⁻¹

4.74×10⁻¹

Conventional design [6]

1.49×10⁻¹

6.69×10⁻¹

9.01×10⁻¹