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Table 4 Numerical values of  [dB],  [dB],  [dB]. Square root Nyquist () filter versus square root Nyquist -filter. The parameter is fixed and the group delay parameter of the filter varies; and are the design parameters of the iteration algorithm [19].

From: Nyquist Filters with Alternative Balance between Time- and Frequency-Domain Parameters

Square Root Nyquist ()/Square Root Nyquist -filter
  
0.5 1 2 10 0.5 1 2 10
0.25
0.034
[dB] −1.2 −0.5 −0.3 0.0 −0.1 0.1 0.1 0.2
  [dB] 1.4 −2.6 −5.0 −6.6 3.5 −1.3 −4.6 −6.9
  [dB] 0.0 0.1 0.2 −0.2 −0.3 −0.3 −0.2 −0.2
  
0.5 1 2 10 0.5 1 2 10
0.25
0.034
[dB] −2.6 −2.2 −2.1 −1.0 1.1 0.6 0.3 0.9
  [dB] −0.1 −3.1 −4.1 −5.2 8.5 3.2 −1.1 −5.0
  [dB] 0.2 0.2 0.2 0.1 −0.4 −0.1 0.0 0.0
  
0.5 1 2 10 0.5 1 2 10
0.25
0.034
[dB] −9.6 −9.3 −9.3 −4.9 4.6 4.7 4.6 3.6
  [dB] −1.4 −2.2 −2.5 −4.1 11.8 6.4 1.6 −5.0
  [dB] 0.4 0.4 0.4 0.3 −0.9 −0.4 −0.3 −0.1