## Tag: signal-processing

42 Implementing continuous phase/Arg function 2012-05-19T06:24:42.543

38 Remove noise from data 2016-08-27T15:48:38.440

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

30 Filtering beat-to-beat heart rate data 2012-11-14T21:20:33.413

29 How do you remove noise to detect just the human voice? 2012-11-27T03:43:39.743

28 Implementing discrete and continuous Hilbert transforms 2012-01-20T11:32:58.787

27 Computing and plotting a spectrogram in Mathematica 2012-04-07T18:58:29.903

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

26 Graphical representation of a moving sound source 2013-03-19T17:04:15.233

25 Savitzky-Golay Filter to smooth noisy data 2013-11-19T22:41:36.517

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 find the phase difference of two sampled sine waves? 2012-09-24T19:27:14.307

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

22 Can we use Mathematica to design an electronic active filter? 2020-09-08T00:10:39.770

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

20 Extracting information from the result of ContinuousWaveletTransform 2013-10-19T01:35:16.043

19 How to demodulate an FM signal in continuous-time? 2012-09-05T06:48:52.560

19 Why the BandpassFilter is different than applying LowpassFilter then HighpassFilter 2015-08-15T10:12:22.017

17 What is Mathematica's equivalent to MATLAB's filter function? 2013-03-14T04:51:57.743

17 Strategies to find curves on messy data using FindCurvePath 2014-04-19T18:31:13.487

16 Cluster a signal into areas of equal intensity 2012-10-12T12:15:12.860

16 Cross-Correlation with TimeSeries 2015-04-11T09:58:16.873

16 Processing images from NASA's Juno Jupiter Orbiter 2018-07-30T02:53:48.003

15 Deleting noisy data from a plot (manually) and export the best remaining data 2018-12-24T01:44:35.507

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

14 Extracting signal from gaussian noise 2016-02-23T22:00:49.760

13 Wavelet transform order problem 2013-11-20T20:39:48.327

12 Segmentation of a microscopy image with uneven illumination 2014-10-13T03:29:20.213

11 Hilbert-Huang transform package 2013-07-17T12:44:26.310

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

10 Building Butterworth Bandpass Filters 2015-01-11T21:49:38.940

9 How can I generate pink noise using Mathematica? 2017-06-19T15:26:17.600

9 high pass filter without losing detail 2017-08-09T10:29:51.477

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

9 How can I generate a sin wave with power law noise? 2019-05-09T19:35:46.213

9 How to reproduce Spectrogram from SpectrogramArray? 2020-02-05T03:54:23.573

8 How does Mathematica's LowpassFilter work? 2013-06-07T17:56:44.173

8 Signal processing by means of WaveletTransform 2014-01-14T13:13:30.673

8 How to extract notes and chords from audio? 2015-06-09T22:26:21.493

8 Finding outliers in 2D and 3D numerical data 2016-04-30T08:31:42.917

8 How to detect discolorations in an image? 2016-08-26T01:44:51.483

8 Sample rate severely influences quality of ButterworthFilterModel? 2018-06-21T04:56:01.227

7 Resources for Sound Synthesis & Design 2014-05-07T15:01:37.917

7 Working example for the built-in SavitzkyGolayMatrix for doing polynominal smoothing 2014-10-02T17:49:42.810

7 How to get a smooth derivative graphic 2016-09-14T03:38:22.050

6 How to properly plot a response of a transfer function in Mathematica? 2012-04-26T23:51:30.393

6 How to increase Spectrogram resolution? 2013-10-21T19:30:13.820

6 Data filtering using Butterworth filter 2014-04-21T03:39:16.850

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

6 How can I obtain a smooth curve from my data but preserve two inversion points 2014-10-10T13:04:59.660

6 How to generate a chirped signal 2014-10-20T19:17:03.813

6 Wavelet Transform Modulus Maxima (WTMM) method 2015-02-20T15:15:59.567

6 Do we need to know the input signal when we use KalmanEstimator? 2015-09-02T11:57:41.083

6 Find when two lists are parallel with autocorrelation 2015-12-23T20:14:39.283

6 How do I build a patterned matrix (high-pass and/or low-pass filter bank)? 2016-02-16T23:48:40.313

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

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

6 How to segment nuclei from a noisy image 2017-11-04T02:10:33.523

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

6 GaussianMatrix algorithm details 2019-03-15T11:27:12.610

5 How to get the total intensity of a certain frequency range in an audio file? 2013-02-19T23:15:00.103

5 Looking to create a lesson on sensory perception of sound 2013-10-02T19:37:50.050

5 FindPeaks does not smooth noise on peak? 2014-11-12T21:08:10.010

5 How can I filter this signal in mathematica 2015-10-17T14:19:18.337

5 How to fit data to a convolution equation 2015-12-31T01:01:33.820

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

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

4 How do you use Fourier transforms to perform a deconvolution 2014-01-29T23:47:56.557

4 Convolve two sets of (x,y) data sets 2014-02-20T19:47:01.670

4 Butterworthfilter data filter 2014-04-19T00:08:29.780

4 Bandpassing EEG's using Mathematica's Bandpass Function 2014-08-24T19:43:44.273

4 How do I bandpass a signal in Mathematica 8 2014-09-14T22:49:58.537

4 Compare two shifted signals 2014-11-01T15:49:41.293

4 Can Mathematica reconstruct an audio signal from a given spectrogram 2014-11-26T10:42:45.780

4 Nonuniform Savitzky-Golay filter for smoothing and differentiation 2015-06-08T14:12:56.370

4 What does OutputResponse[sys, { {u1,u2,u3}, {v1,v2,v3} } ] do? 2015-09-02T11:39:59.367

4 Estimating Power Spectral Density from Autocorrelation 2015-10-05T03:51:39.523

4 Application of lowpass Butterworth filter 2015-10-05T14:06:24.410

4 Constructing the spectral density of white noise 2016-03-02T16:30:40.340

4 Identify a note in a song using Mathematica 2016-06-23T18:21:01.847

4 Experimental Data Overlay/Fit 2016-09-03T16:55:12.860

4 Applying filters to data of the form {{x1,y1},{x2,y2},...} 2016-09-13T16:12:39.743

4 FIR filter and the relation between Sample rate and cut-off frequency 2017-09-28T10:03:34.970

4 Filtering data with timestamps 2018-05-03T19:33:22.820

4 White noise at non integer intervals, bug or my mistake? 2020-01-02T12:19:00.467

4 Finding group delay of transfer function 2020-05-08T20:27:03.220

4 Why doesn't HighpassFilter fully remove the DC component? 2020-12-31T21:44:12.717

4 Sampling and filtering data 2021-01-28T22:30:29.690

3 Obsolete Signal Processing functions 2013-01-08T18:55:51.140

3 PrincipalValue option of Convolve not working in 9.0.1? 2013-07-25T00:06:14.050

3 Plot Fourier transform of $\sin (2 t)$ 2014-02-16T15:56:01.110

3 Plotting power spectral density from transfer function 2014-03-22T20:06:59.647

3 Wavelet vs instantaneous power spectrum 2014-10-07T23:16:54.673

3 What are all the elements of the expression returned by KalmanEstimator used for? 2015-09-01T23:14:05.897

3 Filtering in frequency domain 2016-05-04T15:44:53.000

3 Whitening the data from the LIGO project 2016-08-01T15:01:22.550