Using the DFT: Difference between revisions
Jump to navigation
Jump to search
No edit summary |
No edit summary |
||
| Line 1: | Line 1: | ||
sampling <math>sin(2*pi*t)</math> and taking the DFT we get this |
sampling <math>sin(2*pi*t)</math> and taking the DFT we get this graph: |
||
Script for matlab: |
Script for matlab: |
||
Revision as of 10:42, 12 November 2007
sampling and taking the DFT we get this graph:
Script for matlab:
clear all;
t=0:.01:1;
T=0.20;
ts=0:T:1;
f1=2;
f2=1/0.125;
x = sin(2*pi*3*t); %this is the function
plot(t,x); % plot the original signal
X = fft(x); % take the DFT
pause (2);
plot (t,X); %plot the DFT of the signal