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热门代码： main.c GPIO I2C SPI UART timer interrupt ADC PWM LED
www.eeworm.com/read/160223/10555376

m ex0302.m

% Chapter 3: Example 3.2: % DTFT of finite duration seq using mat-vec operation % [0, pi] axis divided into 501 points. % n = -1:3; x = 1:5; k = 0:500; [X,w] = dtft(x,n,k); % DTFT using mat
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m ex0303a.m

n = 0:10; x = (0.9*exp(j*pi/3)).^n; k = -200:200; [X,w] = dtft1(x,n,k); magX = abs(X); angX =angle(X); subplot(2,1,1); plot(w/pi,magX);grid axis([-2,2,0,8]) xlabel('frequency in units of pi'); ylabe
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m ex0303.m

n = 0:10; x = (0.9*exp(j*pi/3)).^n; k = -200:200; [X,w] = dtft1(x,n,k); magX = abs(X); angX =angle(X); subplot(2,1,1); plot(w/pi,magX);grid axis([-2,2,0,8]) xlabel('frequency in units of pi'); ylabe
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asv ex0304.asv

n = -5:5; x = (-0.9).^n; k = -200:200; w = (pi/100)*k; X = x * (exp(-j*pi/100)) .^ (n'*k); magX = abs(X); angX =angle(X); subplot(2,1,1); plot(w/pi,magX);grid axis([-2,2,0,15]) xlabel('frequency in
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www.eeworm.com/read/160223/10555430

asv ex0303.asv

n = 0:10; x = (0.9*exp(j*pi/3)).^n; k = -200:200; [X,w] = dtft(x,n,k); magX = abs(X); angX =angle(X); subplot(2,1,1); plot(w/pi,magX);grid axis([-2,2,0,8]) xlabel('frequency in units of pi'); ylabel
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www.eeworm.com/read/160223/10555450

m ex0301.m

w = [0:1:500]*pi/500; % [0, pi] axis divided into 501 points. X = exp(j*w) ./ (exp(j*w) - 0.5*ones(1,501)); magX = abs(X); angX = angle(X); realX = real(X); imagX = imag(X); subplot(2,2,1); plot(
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www.eeworm.com/read/160223/10555678

asv ex0427.asv

% Chapter 4: Example 4.27: % b = [0 1 1]; a = [1 -0.9 0.81]; [R,p,C] = residuez(b,a) pause Mp=abs(p') Ap=angle(p')/pi pause %Frequency Response is below w=[0:500]*pi/500; H=freqz(b,a,w); magH=abs(H);p
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www.eeworm.com/read/160223/10555680

m ex0427.m

% Chapter 4: Example 4.27: % b = [1,0]; a = [1, -0.9]; [H1,H2,H3] = zplane(b,a); title('Pole-Zero Plot'); pause w=[0:100]*pi/100; H=freqz(b,a,w); magH=abs(H); phaH=angle(H); subplot(211);plo
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www.eeworm.com/read/160223/10555684

m ex0426b.m

% Chapter 4: Example 4.11: % zplane function: % b = [1,0]; a = [1, -0.9]; w=[0:100]*pi/100; H=freqz(b,a,w); magH=abs(H);phaH=angle(H); subplot(211);plot(w/pi,magH);grid xlabel('frequency in pi units'
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www.eeworm.com/read/160223/10555695

m ex_0429.m

b = [1 0 -1]; a = [1 0 -0.81]; [R,p,C] = residuez(b,a) w=[0:500]*pi/500; H=freqz(b,a,w); magH=abs(H);phaH=angle(H); subplot(211);plot(w/pi,magH);grid xlabel('frequency in pi units');ylabel('Magn
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