Embedded Software Lab. @ SKKU 15 1 Tizen v2.3 Emulation on PC.
from pc for lab 1
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Transcript of from pc for lab 1
![Page 1: from pc for lab 1](https://reader036.fdocuments.in/reader036/viewer/2022082610/55cf8f05550346703b981e3a/html5/thumbnails/1.jpg)
1
clc
clear all
t_end=.4
t=0:.0001:t_end;
x=sin(20*pi*t+(pi/6));
plot(t,x);
subplot(3,2,1);
fs=20;
ts=1/fs;
t1=0:ts:t_end;
x2=sin(20*pi*t+(pi/6));
stem(t1,x2);
subplot(3,2,2)
2. clc;
clear all;
t_step=0.0001;
t_end=0.2;
t=0:t_step:t_end;
x=sin(20*pi*t)+sin(100*pi*t)+sin(200*pi*t);
plot(t,x), grid on
%code for sampling
fs=10;
ts=1/fs;
t1=0:ts:t_end;
![Page 2: from pc for lab 1](https://reader036.fdocuments.in/reader036/viewer/2022082610/55cf8f05550346703b981e3a/html5/thumbnails/2.jpg)
x1=sin(20*pi*t1+(pi/6));
stem(t1,x1), grid on
%interpolation(reconstruction of analog signal)
y=interp1(t1,x1,t);
plot(t,y),grid on
3. clc;
clear all;
t_step=0.0001;
t_end=0.1;
t=0:t_step:t_end;
x=(sin(20*pi*t)+sin(100*pi*t)+sin(200*pi*t));
subplot(3,1,1)
plot(t,x,'.'), grid on
xlabel('Figure 1:x(t)=sin(20*pi*t+30)')
%code for sampling
fs=500;
ts=1/fs;
t1=0:ts:t_end;
x1=(sin(20*pi*t1)+sin(100*pi*t1)+sin(200*pi*t1));
subplot(3,1,2)
stem(t1,x1), grid on
%interpolation(reconstruction of analog signal)
y=interp1(t1,x1,t);
plot(t,y),grid on
![Page 3: from pc for lab 1](https://reader036.fdocuments.in/reader036/viewer/2022082610/55cf8f05550346703b981e3a/html5/thumbnails/3.jpg)
4.
clc;
clear all;
t_step=0.0001;
t_end=0.4;
t=0:t_step:t_end;
x=sin(20*pi*t+(pi/6));
plot(t,x), grid on
%code for sampling
fs=20;
ts=1/fs;
t1=0:ts:t_end;
x1=sin(20*pi*t1+(pi/6));
stem(t1,x1), grid on
%interpolation(reconstruction of analog signal)
y=interp1(t1,x1,t);
plot(t,y),grid on