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function [u]=chap4_8m1(u1,u2,u3) global s persistent errori error_1 ts=0.001; if u3==0 errori=0; error_1=0; end s=2; %Selecting Signal Type if s==1 %Step Signa

function [u]=chap4_8m2(u1,u2,u3,u4) global s persistent w x1 x2 x3 w_1 w_2 w_3 N=300; C=5; if u3==0 w=zeros(N+C,1); w_1=w; w_2=w; d_w=w; end alfa=0.04; if s==1

% 2nd Order Band-Pass Sigma-Delta Modulator Model with IP3 Calculation % by S. Brigati, F. Francesconi, A. Fornasari, P. Malcovati % The modulator structure is simulated using Simulink (BP2IP3.mdl).

function [u]=chap4_8m1(u1,u2,u3) global s persistent errori error_1 ts=0.001; if u3==0 errori=0; error_1=0; end s=2; %Selecting Signal Type if s==1 %Step Signa

function [u]=chap4_8m2(u1,u2,u3,u4) global s persistent w x1 x2 x3 w_1 w_2 w_3 N=300; C=5; if u3==0 w=zeros(N+C,1); w_1=w; w_2=w; d_w=w; end alfa=0.04; if s==1

clear all; [y1,fs,bits]=wavread('F:\noise enhancing\wav\5.wav'); %[y1,fs,bits]=wavread('F:\语音降噪\wav\female.wav'); y1=y1/max(abs(y1));%语音信号归一化 wavwrite(y1,8000,8,'F:\noise enhancing\voise\5.wav');

clear all; % [y1,fs,bits]=wavread('F:\noise enhancing\wav\5.wav'); % %[y1,fs,bits]=wavread('F:\语音降噪\wav\female.wav'); % y1=y1/max(abs(y1));%语音信号归一化 % wavwrite(y1,8000,8,'F:\noise enhancing\voise\5

clear all; [y1,fs,bits]=wavread('F:\noise enhancing\wav\3.wav'); %[y1,fs,bits]=wavread('F:\语音降噪\wav\female.wav'); y1=y1/max(abs(y1));%语音信号归一化 wavwrite(y1,8000,8,'F:\noise enhancing\voise\3.wav');