What is the difference between using conv function and manual coding method using MATLAB?
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Here I Have mentioned two different options and the option 01 has used conv function and the option 02 has used manual coding method to find discrete Convolution.
Option 1
clc
clear all
close all
n = 1: 1: 1000;
N = randn (1,1000);
s = 10*cos(0.05*n);
figure (1)
plot (s,'r')
x = s + N;
figure (2)
plot (x,'g')
h = 0.1*ones(1,10);
y1=conv (x,h);
figure (3)
plot (y1)
figure (4)
plot (s,'r')
hold on
plot (x,'g')
hold on
plot (y1)
Option 2
m = length (x);
n = length (h);
X = [x,zeros(1,n)];
H = [h,zeros(1,m)];
for i = 1: n+m-1
Y(i) = 0;
for j = 1: m
if (i - j+1 > 0)
Y(i) = Y(i)+X(j)*H(i-j+1);
else
end
end
end
figure (5)
plot (Y);
hold on
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답변 (1개)
Bruno Luong
2019년 9월 16일
편집: Bruno Luong
2019년 9월 16일
Don't copy the same answer, your teacher might notice it.
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