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Results tagged with time-frequency
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user 11580
0
votes
Weird behaviour converting velocity to displacement
The problem you encountered is related to the presence of a DC component in the velocity.
Another way to solve the problem could be to use the detrend() function (if you are working with MATLAB) in s …
- 413
1
vote
2
answers
335
views
system response: time vs frequency. Why do I get different magnitudes?
I am simulating a linear system described by the following equation
$m \ddot{x} + c \dot{x} + k x = A \sin(\omega t)$
Fs = 1000; % sampling frequency
tspan = 0:1/Fs:10;
m = 25;
c = 15;
k = 3300 …
- 413
0
votes
1
answer
895
views
Get data ready for IFFT
I am having troubles applying the IFFT function to some data I have. I already had a look here Complex conjugate and IFFT and here What assumptions should be used to invert spectrum into time domain d …
- 413
0
votes
2
answers
1k
views
Obtain the frequency response of a time domain chirp signal
I have simulation data in the time domain and I need to represent them in the frequency domain.
The data have been obtained time integrating the following equation:
$m \ddot{x} + c\dot{x} + kx = A …
- 413