cyfrowe.m
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Text
Size
2 KB (1,911 bytes)
Storage used
2 KB (1,911 bytes)
Location
09
Owner
me
Modified
11:37 AM by me
Opened
11:37 AM by me
Created
11:37 AM with Google Drive Web
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%zadanie 1


%zadanie 2
t=-20:20;
u1=zeros(1,41);
u1(21:41)=ones(1);
stem(t,u1);
axis([-20 20 0 3])


t=-20:20;
u1=zeros(1,41);
u1(21+3:41)=ones(1);
stem(t,u1);
axis([-20 20 0 3])


%zadanie 3
t=[0,3]
x = [1,1]
stem(t,x);
axis([-2 4 0 2])


% zadanie 4
t=-20:20;
u1=zeros(1,41);
u1(21:41)=ones(1);
u2=zeros(1,41);
u2(26:41)=ones(1);
u3=u1-u2;
stem(t,u3);
axis([-20 20 0 2])


%zadanie 5
t1=0:1/10:4;
t2=0:1/100:4;
u1 = sin(2*pi*t1);
u2 = sin(2*pi*t2);
stem(t1,u1);
axis([0 4 -2 2])

stem(t2,u2);
axis([0 4 -2 2])


%zadanie 6
t1=0:1/10:4;
t2=0:1/100:4;
u1 = cos(2*pi*t1);
u2 = cos(2*pi*t2);

stem(t1,u1);
axis([0 4 -2 2])

stem(t2,u2);
axis([0 4 -2 2])


%zadanie 7
t1 = 0:0.1:10;
u  = gaussmf(t,[1 5]);
u1 = gaussmf(t,[1 5]);
subplot(2,1,1);
plot(t,u)
axis([0 10 0 1])
subplot(2,1,2);
stem(t,u);
axis([0 10 0 1])


%zadanie 8
figure
t = -3:3;
y1=[1,3,5,6,7,9,2];
y2=[2,4,7,2,9,5,6];
y3 = y1 .* y2;

stem(t,y3);
axis([-3 3 0 70])


%zadanie 9
n = 0:20;
x=[1,zeros(1,20)];
a=[1];
b=[1 -0.5 0.7];
y=filter(a,b,x);
stem(n,y)

%zadanie 10
n = 128;
k = 0:n;
t = k/128;
A = 1;
fo = 2;
p = 0;
y = A*sin((2*pi*fo*t)+p);
figure
plot(k,y)
axis([0 140 -1 1])

%zadanie 11
n = 128;
k = 0:n;
t = k/128;
A = 1;
fo = 5;
p = 0;
y = A*sin((2*pi*fo*t)+p);
figure
plot(k,y)
axis([0 140 -1 1])

%zadanie 12
figure
T = 10*(1/50);
fs = 100;
t = 0:1/fs:T-1/fs;
x = sawtooth(2*pi*50*t);
plot(t,x)


%zadnie 13
figure
T = 10*(1/50);
fs = 500;
t = 0:1/fs:T-1/fs;
x = square(2*pi*50*t);
plot(t,x)
axis([0 0.2 -1.2 1.2])


%zadanie 14
fs = 10000;
t = -1:1/fs:1;
x1 = tripuls(t,80e-3);
x2 = rectpuls(t,80e-3);
subplot(2,1,1)
plot(t,x1)
axis([-0.1 0.1 -0.2 1.2])
title('Triangular Aperiodic Pulse')
subplot(2,1,2)
plot(t,x2)
axis([-0.1 0.1 -0.2 1.2])
title('Rectangular Aperiodic Pulse')