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% exa4-22_stmcb.m , for example 4-22 % Design Steiglitz-McBride DF clear all; [b,a] = butter(6,0.2); h = filter(b,a,[1 zeros(1,100)]); freqz(b,a,128) figure(2) [bb,aa] = stmcb(h,4,4); freqz

% exa4-23_invfreqz.m , for example 4-23 % Design Steiglitz-McBride DF clear all; [b,a] = butter(5,0.2) [h,w] = freqz(b,a,64); [bv,av] = invfreqz(h,w,5,5)

% exa4-15_butterband.m , for example 4-15 % using butterworth filter to design bandpass DF clear all; N= 10; Wn = [100 200]/500; [b,a] = butter(N,Wn,'bandpass'); freqz(b,a,128,1000) figure(2

% exa4-20_prony.m , for example 4-20 % Design prony DF clear [b,a]=butter(8,0.2) % Butterworth滤波器设计 h=filter(b,a,[1,zeros(1,25)]); % 滤波器的冲激响应 [bp,ap]=prony(h,8,8)

% exa4-19_yulewalk.m , for example 4-19 % Design Yule-Walk DF clear all; f = [0 0.6 0.6 1]; m = [1 1 0 0]; [b,a] = yulewalk(10,f,m); [h,w] = freqz(b,a,256); plot(f,m,'-',w/pi,abs(h),'*') tex

% exa4-16_cheb1low.m , for example 4-16 % using chebyshev I filter to design lowpass DF clear all; Wp=100; Rp=3; Ws=200; Rs=30; Fs=1000; [N,Wn]=cheb1ord(Wp/(Fs/2),Ws/(Fs/2),Rp,Rs); [b,a] =

% exa4-5_lp2hp for example4-5 % chebshev I analog lowpass filter prototype to highpass filter clear all; N=9; Rp=10; wl=400*pi; [z,p,k]=cheb1ap(N,Rp); [b,a]=zp2tf(z,p,k); % design analog hi

Release 6.3i Map G.35 Xilinx Mapping Report File for Design 'dvd100k' Design Information ------------------ Command Line : E:/Xilinx/bin/nt/map.exe -intstyle ise -p xc3s50-pq208-5 -cm area -pr b -

Release 6.3i Map G.35 Xilinx Mapping Report File for Design 'bit_add' Design Information ------------------ Command Line : E:/Xilinx/bin/nt/map.exe -intstyle ise -p xc3s50-pq208-4 -cm area -pr b -

Sample Waveforms for lpm_counter0.vhd Sample behavioral waveforms for design file lpm_counter0.vhd The following wavefo