Question

Design a MATLAB system to generate 'a' and 'b' coefficients of a 2nd order band-pass filter with center frequency (oo) and a 3dB bandwidth (BW) using the following statement. A(Z)-12 x li-β(11a)riaz-21 , where: β-cos(w) , and cos(BW) 2α 1+α2 The following is one possible scenario, but you are free to use a different one Example (highlighted is user input Enter PB Center Frequency Enter PB Bandwidth 0.3 0.2 This procedure generates two alpha values Alphal- 1.962611 Alpha2 - 0.509525 Which one you choose; 1/2? 1 0.4813 0 0.4813 Forward Coefficients (b) Backward Coefficients (a) This system is unstable 1.0000 -1.7414 1.9626 LTI Frequency Response Group Delay D-1 0.5 E 0.5 15-2 0.5 0 0 0.2 0.4 0.6 0.8 0 0.2 0.4 0.6 08 Normalized Frequency (w/pi) Normalized Frequency (w/pi) Real Part

Answer 1

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