Tag: fourier-analysis

48 How can I draw a Homer with epicycloids? 2018-04-23T20:02:59.257

33 Usage of Assuming for Integration 2013-02-19T14:25:29.367

33 What's the correct way to shift zero frequency to the center of a Fourier Transform? 2013-10-07T02:32:18.220

27 What do the X and Y axis stand for in the Fourier transform domain? 2015-06-04T11:00:28.197

27 How fast is my fidget spinner spinning? A sound experiment! 2017-12-20T04:27:12.357

26 How to use 2D Fourier analysis to clean the noise in an image 2016-03-24T08:39:28.673

24 Numerical Fourier transform of a complicated function 2012-02-13T22:33:54.063

23 Can one find the beat of a tune with Fourier analysis? 2012-04-15T10:29:00.803

23 How to make Fourier behave like FourierTransform? 2012-06-19T04:34:49.687

22 How do you find the frequency and amplitude from Fourier? 2014-02-23T15:37:43.633

21 Plotting Fourier spectrum versus frequency of a signal 2014-04-07T08:37:57.623

21 How to calculate the Fourier Transform of a Gaussian pulse with a nonlinear chirp: Cos[ t + Exp[t^2] ]? 2015-11-17T08:22:44.130

18 Coulomb potential as a Fourier transform 2012-04-17T21:35:59.843

17 Digital filter of image in Fourier space 2013-06-13T14:02:00.683

17 Calculate the 2D Fourier transform of an Image 2013-07-26T06:53:21.573

17 Finding fourier transform of data and hence frequencies 2013-12-03T19:08:20.590

17 Disentangling the data 2014-05-01T17:52:31.573

16 Computation of Hankel Transform using FFT (Fourier) 2013-06-01T08:27:02.870

16 Next highly composite number? 2013-07-01T20:01:10.637

15 Possible bug with FourierTransform linearity 2014-01-14T17:51:36.787

14 How can I obtain a zero-filled Fourier transform, as produced by MATLAB's fft? 2013-01-02T10:02:03.483

14 Plotting the frequency spectrum of a data series using Fourier 2013-01-19T21:31:25.337

14 How to approximate a given WAV file with trigonometric series? 2013-03-26T03:58:20.903

14 Workarounds for a possible bug in the linearity of FourierTransform 2014-07-30T19:17:40.733

14 How can I use Mathematica to numerically compute a Wigner spectrogram of an optical pulse? 2015-11-17T12:09:11.517

13 Does Mathematica implement the fast Fourier transform? 2012-02-02T14:08:52.580

13 Parallelization of distinct array write access from subkernels 2012-03-23T16:14:42.963

13 Proving (self) similarity with Mathematica - Reccurrence Plots, Similarity Plots etc 2012-10-14T19:59:44.843

13 Problem with Fourier coefficients 2013-01-07T19:01:05.397

13 calling CUDA library functions 2014-05-12T13:37:57.810

13 Does version 11 have this bug in FourierSeries? 2017-03-11T19:07:38.103

12 A more convenient Fourier series 2017-07-01T11:35:56.607

12 Implement finite Fourier transforms 2017-09-15T10:15:09.633

12 Package for fast spherical harmonic transform in Mathematica? 2018-04-23T23:52:07.470

11 Plotting Partial Sums of Fourier Series 2012-03-02T18:44:36.603

11 FourierSeries for rational function looks wrong 2013-05-03T20:16:01.157

11 FourierTransform and Partial Derivatives? 2013-07-15T17:35:10.863

11 Fourier transform over a custom dimension 2013-09-03T21:17:48.403

11 Why does Mathematica return a Fourier transform for a function for which it is not defined? 2013-09-15T17:41:08.810

11 Inconsistent results of second derivative of inverse fourier transform 2013-11-10T07:50:53.790

11 Correct Fourier scaling and high-resolution frequency identification 2014-03-18T14:23:09.617

11 Rotational Averaging of Image Periodograms (FFTS) 2014-04-13T01:21:25.987

10 Fourier transform inconsistency 2016-09-09T16:05:46.420

10 finding Frequency of Sinewave data using Fourier 2016-09-24T05:01:17.520

9 InverseFourierTransform of simple function takes forever 2014-12-21T17:48:09.773

9 How can I make FourierCoefficient et al. handle the zero-order term correctly? 2015-11-03T16:00:27.147

9 How to perform Blind Source Separation on an audio mix? 2017-01-09T13:36:21.413

9 Frequency of ticks in mechanical watches 2018-07-29T23:12:41.330

9 Which FFT algorithm does `Fourier[...]` use? 2019-02-25T18:36:45.613

8 Speed up Fourier for Booleans 2012-04-28T12:26:11.420

8 Fourier Transform of a Step Function 2012-09-12T15:01:21.210

8 Why Fourier doesn't show me the peaks? 2013-08-20T16:14:53.637

8 The same analytical expression gets inconsistent FourierTransform results 2013-10-14T23:49:13.157

8 How to plot stability region of Fourier analysis 2014-07-31T04:15:25.480

8 Find a Fourier series from discrete data 2015-07-05T05:06:50.750

8 Using Fourier Series to acquire Nonlinear ODE Periodic Solutions 2017-05-11T09:24:14.140

8 Circular Aperture Diffraction Pattern 2017-11-29T02:11:52.093

7 Speeding up numerical Fourier Transform 2012-11-23T14:16:13.377

7 Calculation of 2D FFT for an image 2015-06-30T10:24:17.797

7 Angle between two areas of an image of a 2D FFT 2015-09-14T10:09:57.483

7 How do I make an explicit DFT? 2016-04-07T00:11:52.690

7 How can I get a discrete result from NDSolve? 2017-07-09T04:43:14.260

7 Discrepancy between Matlab and Mathematica Fourier parameters 2017-10-24T07:42:04.693

7 Strange result of FourierCosCoefficient on $\cos^2 t$ 2019-03-09T12:04:48.080

6 Frequencies represented in a DFT list (Fourier[]) 2013-09-28T10:13:18.587

6 Band-pass filter an image 2013-09-30T11:51:44.313

6 Odd colourization for FourierParameters. UI bug? 2013-11-16T03:58:40.040

6 Fit data with linear combinations of Cos and Sin 2014-03-04T17:23:59.420

6 Why does Fourier give a shifted frequency? 2014-07-30T15:17:34.310

6 2-Dimensional NFourierTransform 2014-09-30T10:27:05.477

6 Why this gives 0? 2014-10-12T12:23:48.283

6 Filtering of an unwanted frequency through a Fourier Transform 2015-05-24T11:26:42.623

6 2D Fourier transform 2015-08-25T13:22:15.533

6 Why isn't LowPassFilter working for these parameters? 2016-06-27T19:26:32.647

6 single slit diffraction numerical simulation 2016-07-26T00:06:07.520

6 Fourier in Mathematica different from octave 2016-09-27T13:27:02.040

6 Fixing phase unwrapping jumps 2016-10-28T21:21:09.097

6 Legend showing amplitudes of the FFT of an image 2016-11-23T10:07:07.040

6 How to calculate the amount of offset about two list 2017-04-02T12:08:44.973

6 Fourier transform of a complicated function 2018-07-02T13:13:21.060

5 How to draw a graph about the FourierTransform of a 2D Function? 2013-09-05T02:18:14.247

5 Animated Wave Propagation using Fourier & InverseFourier 2013-10-19T02:05:55.240

5 Extracting frequencies with Fourier transformation 2014-02-03T10:25:31.340

5 Reconciling results from Fourier with those form FourierTransform 2014-03-15T11:39:11.270

5 Why does setting $Assumptions make my Fourier transforms slow? 2014-04-03T03:44:13.617

5 What are good/best practices to take the Fourier transform of an InterpolatingFunction? 2014-05-13T13:42:01.810

5 Periodogram for irregularly spaced data 2015-01-14T00:29:36.093

5 Precision loss in FourierDCT 2015-02-18T02:47:53.073

5 Different FourierParameters in each dimension for discrete Fourier transform 2015-05-12T19:16:22.163

5 Differences between FFT and analytical Fourier Transform 2015-06-09T11:31:54.073

5 Using NIntegrate and DiscretePlot to visualize pseudodifferential operators 2015-09-04T05:39:23.033

5 Using 2 D FFT for filtering unwanted texture on an image 2016-01-21T02:45:41.447

5 Getting correct amplitudes with Periodogram 2016-03-03T23:37:08.153

5 Find the function $f(x)$ by using its fourier expansion 2016-04-23T13:52:11.407

5 Fourier transform of Exp[x]/x 2016-05-28T14:35:06.433

5 How to graph the contour of a resulting Manipulate curve 2016-06-19T19:19:41.383

5 Is it possible to simulate a solved example in Wolfram for free, How? 2016-07-24T12:47:14.753

5 Fourier transform of interpolating function 2016-09-02T15:48:04.910

5 Comparison of Continuous and discrete Fourier Transform 2016-12-22T14:03:34.293