Understanding digital signal processing - Chapter 6 potx

Real-Time Digital Signal Processing - Chapter 6: Design and Implementation of IIR Filters

Real-Time Digital Signal Processing - Chapter 6: Design and Implementation of IIR Filters

... steady-state response. From (6. 6.15), the I/O difference equation of resonator is given by ynAxnÀa 1 yn À 1Àa 2 yn À 2, 6: 6:21 where a 1 À2r p cos ! 0 6: 6:22a and a 2  r 2 p : 6: 6:22b A ... p 2 z À1 , 6: 6:5 where a 1 Àp 1  p 2  6: 6 :6 and a 2  p 1 p 2 : 6: 6:7 The poles must lie inside the unit circle for stability, that is jp 1 j < 1 and jp 2 j < 1. From...
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