Finite Impulse Response Filter Design - Digital Signal Processing: Fundamentals and Applications - page 268

Table 7.13 FIR Filter Coefficients in Example 7.14 (frequency sampling method)
B1: FIR Filter Coefficients B2: FIR Filter Coefficients

b 0 ¼ b 24 ¼ 0.055573 b 0 ¼ b 24 ¼ 0.001351

b 1 ¼ b 23 ¼ 0.030514 b 1 ¼ b 23 ¼ 0.008802

b 2 ¼ b 22 ¼ 0.000000 b 2 ¼ b 22 ¼ 0.020000

b 3 ¼ b 21 ¼ 0.027846 b 3 ¼ b 21 ¼ 0.009718

b 4 ¼ b 20 ¼ 0.078966 b 4 ¼ b 20 ¼ 0.011064

b 5 ¼ b 19 ¼ 0.042044 b 5 ¼ b 19 ¼ 0.023792

b 6 ¼ b 18 ¼ 0.063868 b 6 ¼ b 18 ¼ 0.077806

b 7 ¼ b 17 ¼ 0.000000 b 7 ¼ b 17 ¼ 0.020000

b 8 ¼ b 16 ¼ 0.094541 b 8 ¼ b 16 ¼ 0.017665

b 9 ¼ b 15 ¼ 0.038728 b 9 ¼ b 15 ¼ 0.029173

b ¼ b ¼ 0.303529 b ¼ b ¼ 0.308513

10 14 10 14

b ¼ b ¼ 0.023558 b ¼ b ¼ 0.027220

11 13 11 13

b ¼ 0.400000 b ¼ 0.480000 12 12

0

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-100

0 500 1000 1500 2000 2500 3000 3500 4000

Frequency (Hz)

500

0

-500

-1000

-1500

0 500 1000 1500 2000 2500 3000 3500 4000

Frequency (Hz)

FIGURE 7.32
Frequency responses using the frequency sampling method in Example 7.14.