Use this tag for questions about computation of exact continuous-time Fourier transform (e.g. using symbolic software like Sage, Mathematica, Sympy). For the discrete Fourier transform and fast Fourier transform, use tag [fft].
Questions tagged [continuous-fourier]
63 questions
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1 answer
Continuous Time Fourier Series
I am trying to determine the approximation of the following function as a ctfs:
x(t) = exp(-7|t|)*cos(10*pi*t) for -0.5 <= t < 0.5
I was told to use trigonometric form of continuous time Fourier series (CTFS) to calculate a[k] and b[k] of x(t),…
Manolo Alvarez
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-2
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1 answer
How to remove periodicity in hourly wind speed data by using fourier transform in matlab
Review for removing periodicsI have a dataset that contains hourly wind speed data for 7 seven. I am trying to implement a forecasting model to the data and the review paper states that trimming of diurnal, weekly, monthly, and annual patterns in…
L N
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-4
votes
1 answer
Fast Fourier Transform in Python?
I have this dataset with oscillations:
y = array([ 9.88706879e-05, -1.80853647e-05, 2.42572582e-05,
1.12215205e-04,
1.32105126e-04, 1.13424614e-05, -1.58262175e-04, -2.62013276e-04,
-2.58070932e-04, -1.53975865e-04,…
Krystal
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