滤波器高级设计手册

adv_filter_design_manualAdvanced lter design
Reference manual
2004 Anders Johansson

Contents
1 Least square design of linear phase FIR lters 1.1 Speech spectrum approximation . . . . . . 1.2 Modied speech spectrum approximation . 1.3 Differentiator approximation . . . . . . . . 1.4 Hilbert lter approximation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 4 4 5 5 8 8 8 9 9 9 15 16 16 17 19 19 20 20 20 21 25 26 26 31 32 32 36 38 38 39 43 45 46 47 47

2 Least squares design of FIR lters using comp