PRACTICAL MATLAB® FOR ENGINEERS PRACTICAL MATLAB

0 0.5 1

− 3

− 2

− 1

0

1

2

3

Normalized frequency

Phase in radian

Bessel phase LPF/order n = 1, 2, 3, 4, 10

n = 3

n = 2

n = 1

n = 10

n = 4

COLOR FIGURE 6.18

Phase plots of normalized analog Bessel LPFs of orders n = 1, 2, 3, 4, and 10.

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