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% Chapter 7: Example 7.16 % Freq. Samp. Tech.: Lowpass, Optimum method T1 & T2 % wp = 0.2pi, ws=0.3pi, Rp=0.25dB, As=50dB % T1 = 0.5925, T2=0.1099 M = 60; alpha =

% Chapter 7: Example 7.15 % Freq. Samp. Tech.: Lowpass,Optimum method % % (a) T1 = 0.5 M = 40; alpha = (M-1)/2; l = 0:M-1; wl = (2*pi/M)*l; Hrs = [ones(1,5),0.5,zeros(1,29),0.5,ones(1,

% Chapter 7: Example 7.3 Amplitude vs Magnitude response % h = [1,1,1]; w = [0:500]*pi/500; H = freqz(h,1,w); magH = abs(H); phaH = angle(H); ampH = ones(1,501)+2*cos(w); angH = -w; subplot(1,1

% Chapter 8: Example 8.29 % Elliptic Bandpass Filter Design: % Use of the ELLIP function % % Digital Filter Specifications: % Type: Elliptic Bandpass ws = [0.3*pi

% Chapter 8: Example 8.11 % Impulse Invariance Transformation % Butterworth Lowpass Filter Design % % Digital Filter Specifications: wp = 0.2*pi;

% Chapter 8: Example 8.14 % Impulse Invariance Transformation % Elliptic Lowpass Filter Design % % Digital Filter Specifications: wp = 0.2*pi;

% Chapter 8: Example 8.28 % Chebyshev-1 Highpass Filter Design: % Use of the CHEBY1 function % % Digital Filter Specifications: % Type: Chebyshev-I highpass ws =

% Chapter 8: Example 8.13 % Impulse Invariance Transformation % Chebyshev-2 Lowpass Filter Design % % Digital Filter Specifications: wp = 0.2*pi;

% Chapter 8: Example 8.12 % Impulse Invariance Transformation % Chebyshev-1 Lowpass Filter Design % % Digital Filter Specifications: wp = 0.2*pi;

% Chapter 7 Figure mfile: % Mfile to draw figures on equiripplr amplitude response, % error function, and weighted error function. % a) equiripple amplitude response figu