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Signal acquisition, digital and analog filter design, filtering and noise reduction, signal visualization and analysis…

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Fitting data to a square wave

QUESTION FROM: James Hall | 8 months ago BY: David Keith
Curated Data , Graphics and Visualization , Image Processing , ...
19
REPLIES
5K
VIEWS

Accurately calculate tick tock period of mechanical watches?

QUESTION FROM: Mor Bo | 6 years ago BY: Mor Bo
Audio, Sound and Music , Engineering , Graphics and Visualization , ...
16
REPLIES
17.5K
VIEWS

Construct a function from "Fourier" - data

QUESTION FROM: Hans Dolhaine | 10 years ago BY: Daniel Lichtblau
Mathematics , Signal Processing , Wolfram Language
17
REPLIES
19.2K
VIEWS

Mystery Aristotle peaks in noisy Wikipedia data

QUESTION FROM: Vitaliy Kaurov | 12 years ago BY: Joerg Schoenau
Curated Data , Data Science , Mathematica , Signal Processing
3
REPLIES
14.4K
VIEWS

Smoothing an irregular TimeSeries and calculate it's Derivative

QUESTION FROM: Gianluigi Salvi | 5 years ago BY: Jim Baldwin
Discrete Mathematics , Finance , Signal Processing , Wolfram Language
10
REPLIES
11K
VIEWS

Modified bessel function in Mathematica

QUESTION FROM: John G | 12 years ago BY: Richard Hennigan
Mathematica , Signal Processing
10
REPLIES
9.2K
VIEWS

Read SEGY data in Mathematica?

QUESTION FROM: Oluseun Sanuade | 7 years ago BY: Oluseun Sanuade
Data Science , External Programs and Systems , Image Processing , ...
13
REPLIES
19.2K
VIEWS

Testing for beauty

QUESTION FROM: Todd Rowland | 8 years ago BY: EDITORIAL BOARD
Staff Picks , Architecture , Computational Humanities , ...
2
REPLIES
17.3K
VIEWS

Periodic piecewise function

QUESTION FROM: Javier Montalt | 12 years ago BY: Javier Montalt
Mathematics , Signal Processing
4
REPLIES
26.9K
VIEWS

Equivalent to Matlab fftshift in Mathematica

QUESTION FROM: Richard Shadbolt | 2 years ago BY: Robert Nowak
Signal Processing , Wolfram Language
8
REPLIES
22.4K
VIEWS

Why is the number of wavelet coefficients more than expected?

QUESTION FROM: Dave Johnson | 3 years ago BY: Dave Johnson
Audio, Sound and Music , Graphics and Visualization , ...
9
REPLIES
6.8K
VIEWS

How do I specify an exact value range in ColorFunction?

QUESTION FROM: Garrett Neske | 4 years ago BY: Sander Huisman
Data Science , Graphics and Visualization , Mathematica , ...
6
REPLIES
41.4K
VIEWS

Get the original sequence in W|A with "inverse fft of fft of {0,1,2,3}"?

QUESTION FROM: Nikolay Tsenkov | 8 years ago BY: Nikolay Tsenkov
Algebra , Mathematics , Signal Processing , Wolfram|Alpha , ...
10
REPLIES
13.4K
VIEWS

Insert or Joint a element in a table

QUESTION FROM: margherita ferrucci | 10 years ago BY: David Gathercole
Civil Engineering , Education , Engineering , Finance , ...
7
REPLIES
16.9K
VIEWS

How to capture current microphone data?

QUESTION FROM: Xuan Li | 11 years ago BY: Xuan Li
Connected Devices , Mathematica , Signal Processing , Wolfram Language
9
REPLIES
10.2K
VIEWS

How to smooth and filter the signal?

QUESTION FROM: Peter Parker | 10 years ago BY: EDITORIAL BOARD
Image Processing , Optimization , Signal Processing , Wolfram Language
7
REPLIES
15.4K
VIEWS

Finding peaks and valleys in data

QUESTION FROM: Henrick Jeanty | 11 years ago BY: Henrick Jeanty
Data Science , Signal Processing , Wolfram Language
9
REPLIES
16.1K
VIEWS

Why doesn't Fourier work properly with NumericArray?

QUESTION FROM: Anton Lutsenko | 7 months ago BY: Jaymal Raja
Physics , Signal Processing , Wolfram Language
4
REPLIES
1.7K
VIEWS

How to specify incremental constraint in LongestOrderedSequence?

QUESTION FROM: Richard Frost | 11 months ago BY: Michael Rogers
Discrete Mathematics , Mathematics , Signal Processing , ...
10
REPLIES
2.5K
VIEWS

What is the expression for the periodic rectangular function?

QUESTION FROM: Felix K | 4 years ago BY: Jesse Sheinwald
Calculus , Signal Processing , Wolfram Language
9
REPLIES
21.8K
VIEWS

Streaming data from my robot to Mathematica over UDP

QUESTION FROM: LV VS | 5 years ago BY: Marcus M
Connected Devices , External Programs and Systems , ...
9
REPLIES
24.9K
VIEWS

Reading Specific Dimensions of a Multidimensional Time Series?

QUESTION FROM: Mark Greenberg | 7 years ago BY: Henrik Schachner
Audio, Sound and Music , Data Science , Graphics and Visualization , ...
8
REPLIES
10.5K
VIEWS

Use the Shannon sampling to find an analytic expression for some 2D data?

QUESTION FROM: Jaime de la Mota | 6 years ago BY: Eleazar Johannian
Data Science , Mathematics , Signal Processing , ...
5
REPLIES
7.7K
VIEWS

Get the same FourierTransform results across different versions?

QUESTION FROM: Brian Gerwe | 6 years ago BY: Brian Gerwe
Mathematica , Mathematics , Signal Processing , ...
5
REPLIES
10.2K
VIEWS

Connect Mathematica to a Bluetooth 4.0 device?

QUESTION FROM: Tsai Ming-Chou | 6 years ago BY: Flip Phillips
Connected Devices , Engineering , External Programs and Systems , ...
6
REPLIES
15K
VIEWS

[WSC18] Voice sentiment classification using neural networks

QUESTION FROM: Ryan Heo | 7 years ago BY: Ryan Heo
Audio, Sound and Music , Computational Humanities , Data Science , ...
5
REPLIES
14.3K
VIEWS

[WSSA16] Natural language compression Huffman Method

QUESTION FROM: Vahagn Hayrapetyan | 9 years ago
Computational Humanities , Computational Linguistics , Curated Data , ...
0
REPLIES
6.5K
VIEWS

"Plot3D" Not responding to changes in wave function conditions.

QUESTION FROM: Chris Penney | 10 years ago BY: Erik Mahieu
Calculus , Mathematica , Physics , Signal Processing , ...
5
REPLIES
10.4K
VIEWS

How to implement this Bayesian Regression Algorithm?

QUESTION FROM: Aryan Howl | 10 years ago BY: Dylan Jorgensen
Blockchain , Curated Data , Economics , Mathematica , ...
4
REPLIES
18.9K
VIEWS

Sorting matrix

QUESTION FROM: Luis Ledesma | 11 years ago BY: Shenghui Yang
Mathematica , Mathematics , Signal Processing
3
REPLIES
4.3K
VIEWS

Where is documentation on option FourierParameters

QUESTION FROM: Jay Gourley | 4 months ago BY: Roger Backhus
Mathematics , Physics , Signal Processing , Wolfram Language
5
REPLIES
8K
VIEWS

Laplace transform with time shifts and trig functions are very slow

QUESTION FROM: Michael Gustafson | 5 years ago BY: Michael Gustafson
Mathematica , Mathematics , Signal Processing , Wolfram Language
6
REPLIES
11K
VIEWS

Convert a piecewise integer function into usable form such as a List?

QUESTION FROM: Douglas Kubler | 5 years ago BY: Douglas Kubler
Discrete Mathematics , Mathematics , Numerical Computation , ...
4
REPLIES
6.5K
VIEWS

Can RAISR be done within existing Machine Learning framework?

QUESTION FROM: Seth Chandler | 8 years ago
Data Science , Image Processing , Machine Learning , ...
0
REPLIES
6.3K
VIEWS

Illustration of fourier series for prime number counting functions

QUESTION FROM: Steven Clark | 9 years ago BY: Steven Clark
Calculus , Discrete Mathematics , Graphics and Visualization , ...
8
REPLIES
14.4K
VIEWS

[WSSA16] Intelligent Noise Cancellation

QUESTION FROM: Minas Ghazaryan | 1 year ago BY: Jos Klaps
Audio, Sound and Music , Mathematica , Signal Processing , ...
1
REPLIES
9.1K
VIEWS

Issue with Inverse Fourier transforms of Hypergeometric functions?

QUESTION FROM: Fab Nicol | 3 years ago BY: Fab Nicol
Mathematics , Signal Processing , Symbolic Computations , ...
6
REPLIES
5.1K
VIEWS

Change the style of the default voice of Speak function?

QUESTION FROM: agilicz | 5 years ago BY: Bogdan Nicolescu
Audio, Sound and Music , Mathematica , Signal Processing , ...
5
REPLIES
13.4K
VIEWS

Convert a Wolfram Language code into a Matlab code?

QUESTION FROM: Roayat Ismail | 7 years ago BY: Szabolcs Horvát
Data Science , Engineering , External Programs and Systems , ...
3
REPLIES
12.2K
VIEWS

Understand algorithm for AudioLocalMeasurements, & ModifiedKullbackLeibler?

QUESTION FROM: Matthew Sottile | 7 years ago BY: Matthew Sottile
Audio, Sound and Music , Signal Processing , Wolfram Language
3
REPLIES
9.1K
VIEWS

Change of Sampling Rate in the DFT

QUESTION FROM: Francesca Rossi | 11 years ago BY: Shenghui Yang
Mathematica , Mathematics , Signal Processing
1
REPLIES
4.9K
VIEWS

Plot functions with Symbolic parameters

QUESTION FROM: Sadi Altamimi | 12 years ago BY: Sadi Altamimi
Graphics and Visualization , Mathematica , Signal Processing
5
REPLIES
13.5K
VIEWS

Incorrect plot range when range is specified with unit

QUESTION FROM: Chen Huang | 4 years ago BY: Brad Klee
Engineering , Graphics and Visualization , Signal Processing , ...
3
REPLIES
5.7K
VIEWS

[?] Fit noisy data as a Least squares problem?

QUESTION FROM: Lorenzo Fuggiano | 5 years ago BY: Martijn Froeling
Optimization , Modeling , Numerical Computation , Signal Processing , ...
4
REPLIES
8.1K
VIEWS

Finding Peaks with Signal Data

QUESTION FROM: Jos Klaps | 7 years ago BY: Richard Klopp
Graphics and Visualization , Signal Processing , Wolfram Language
10
REPLIES
13.8K
VIEWS

How does Wolfram Language deal with DiracDelta[0] in Integrate command?

QUESTION FROM: Vamsi Meesala | 8 years ago BY: Daniel Lichtblau
Engineering , Mathematics , Physics , Signal Processing , ...
3
REPLIES
8K
VIEWS

how to connect DLATRAM in System Modeler?

QUESTION FROM: manu gaurav | 11 years ago BY: manu gaurav
Engineering , Mathematics , Modeling , Signal Processing , ...
4
REPLIES
11.4K
VIEWS

Cross-correlation of two data sets

QUESTION FROM: John Ahlers | 11 years ago BY: Sean Clarke
Image Processing , Mathematica , Signal Processing
5
REPLIES
21K
VIEWS

Can I extract .WAV audio from a .MOV video file?

QUESTION FROM: Michael Lyda | 12 years ago BY: Oren Sternberg
Import and Export , Mathematica , Signal Processing , Wolfram Language
2
REPLIES
15.2K
VIEWS

FindPeaks having issues with TimeSeries

QUESTION FROM: Edmund Robinson | 10 months ago BY: Jim Baldwin
Mathematics , Signal Processing , Statistics and Probability , ...
3
REPLIES
3.5K
VIEWS

Help with Fourier[]: understanding how discrete Fourier transforms works

QUESTION FROM: Jay Gourley | 11 months ago BY: Jay Gourley
Signal Processing , Wavelets and Fourier Series , Wolfram Language
3
REPLIES
3K
VIEWS

Computation of MFCC and Documentation of AudioLocalMeasurements?

QUESTION FROM: Scott Guthery | 1 year ago BY: Gareth Russell
Audio, Sound and Music , Signal Processing , ...
5
REPLIES
12.1K
VIEWS

Unexpected plot of discrete Fourier transform?

QUESTION FROM: Joseph Mbayi | 3 years ago BY: Daniel Lichtblau
Graphics and Visualization , Mathematics , Signal Processing , ...
1
REPLIES
3.8K
VIEWS

How to run this big data program in shorter time?

QUESTION FROM: Md Taj | 4 years ago BY: Md Taj
Data Science , Mathematics , Signal Processing , ...
7
REPLIES
7.3K
VIEWS

Compute variance of data by function fit or other method?

QUESTION FROM: Richard Frost | 5 years ago BY: Jim Baldwin
Data Science , Graphics and Visualization , Mathematics , ...
3
REPLIES
8.7K
VIEWS

Interpolate a function with 60 of points

QUESTION FROM: Jaime de la Mota | 5 years ago BY: Jaime de la Mota
Calculus , Mathematics , Signal Processing , Wolfram Language
2
REPLIES
6.1K
VIEWS

User Input

QUESTION FROM: Daan Pals | 5 years ago BY: Daan Pals
Mathematica , Signal Processing
3
REPLIES
8.7K
VIEWS

Fitting different data sets with different models using FindFit

QUESTION FROM: Lorenzo Fuggiano | 5 years ago BY: Updating Name
Mathematics , Modeling , Numerical Computation , Signal Processing , ...
10
REPLIES
8.9K
VIEWS

Double Buffering, what is the equivalent Wolfram Language term for this?

QUESTION FROM: Leighton Cooper | 5 years ago BY: Neil Singer
Computer Science , Mathematics , Signal Processing , ...
1
REPLIES
7.4K
VIEWS

Converting continuous signal to digital signal

QUESTION FROM: Lakshmi Rajagopalan | 6 years ago BY: Ankit Naik
Modeling , Signal Processing , SystemModeler
3
REPLIES
8.6K
VIEWS

SystemModeler functionality in the V12 Mathematica distro for RasPi?

QUESTION FROM: Steve Rector | 6 years ago BY: Malte Lenz
Engineering , Mathematica , Raspberry Pi , Signal Processing , ...
2
REPLIES
12.9K
VIEWS

Convert time vs accelerometer data to plot a random vibration PSD plot?

QUESTION FROM: Delan Chen | 6 years ago BY: Delan Chen
Data Science , Engineering , Graphics and Visualization , ...
9
REPLIES
12.9K
VIEWS

Record Text-to-Speak?

QUESTION FROM: Asad Kazmi | 7 years ago BY: Mariusz Iwaniuk
Audio, Sound and Music , Import and Export , Signal Processing , ...
1
REPLIES
8K
VIEWS

Export matrix data to plot in third party softwares?

QUESTION FROM: Surendra Anantharaman | 8 years ago BY: Gustavo Delfino
External Programs and Systems , Image Processing , ...
6
REPLIES
8.1K
VIEWS

Calculate the background of the annexed spectrum with EstimatedBackground?

QUESTION FROM: Sandra Fernandes | 8 years ago BY: Sandra Fernandes
Chemistry , Import and Export , Signal Processing , Wolfram Language
4
REPLIES
8.8K
VIEWS

How to incorporate a package written in C, like the FFTW package?

QUESTION FROM: Jan P | 8 years ago BY: Szabolcs Horvát
Mathematica , Signal Processing , Software Development , ...
6
REPLIES
10.4K
VIEWS

Export audio file without clipping waveform?

QUESTION FROM: Jackie Bertone | 8 years ago BY: Chris P
Audio, Sound and Music , Import and Export , Mathematica , ...
3
REPLIES
11K
VIEWS

What algorithm is used for AudioLocalMeasurements: FundamentalFrequency?

QUESTION FROM: Frank Scherbaum | 8 years ago BY: Frank Scherbaum
Audio, Sound and Music , Signal Processing , Wolfram Language
2
REPLIES
10.4K
VIEWS

[?] Simplify InverseZTransform output?

QUESTION FROM: K M | 8 years ago BY: K M
Equation Solving , Mathematics , Signal Processing , ...
2
REPLIES
6.7K
VIEWS

Convert a list of local properties to a list of criteria in AudioIntervals?

QUESTION FROM: Luis Mendes | 9 years ago BY: Luis Mendes
Audio, Sound and Music , Engineering , Signal Processing , ...
2
REPLIES
11K
VIEWS

Perceptron, Multilayer Perceptron and Neural Networks

QUESTION FROM: Daniel Sumner Magruder | 9 years ago BY: Daniel Sumner Magruder
Biological Sciences , Computer Science , Data Science , ...
2
REPLIES
10.7K
VIEWS

How to get FindFit for average curve among several curves

QUESTION FROM: Antonio de Oliveira | 10 years ago BY: Antonio de Oliveira
Astronomy , Data Science , Image Processing , Optics , Physics , ...
2
REPLIES
11.1K
VIEWS

TriangleWave automatic simplification question

QUESTION FROM: Sander Huisman | 10 years ago BY: Frank Kampas
Signal Processing , Symbolic Computations , Wolfram Language
1
REPLIES
5.3K
VIEWS

Minimize and complex numbers

QUESTION FROM: Kris Brumbaugh | 10 years ago BY: Udo Krause
Mathematica , Physics , Signal Processing , Wolfram Language
4
REPLIES
9.4K
VIEWS

Fourier Series of function defined with conditional statement

QUESTION FROM: Kaushik Mallick | 10 years ago BY: Kaushik Mallick
Calculus , Mathematica , Mathematics , Mechanical Engineering , ...
15
REPLIES
16.5K
VIEWS

Mining Time Series Data. Wavelet transform

QUESTION FROM: Alex Skudarev | 10 years ago
Biological Sciences , Calculus , Signal Processing , Wolfram Language
0
REPLIES
6.2K
VIEWS

Spectrogram of a Sound Object

QUESTION FROM: Luis Mendes | 10 years ago BY: Sean Clarke
Audio, Sound and Music , Graphics and Visualization , Mathematica , ...
1
REPLIES
12.9K
VIEWS

Puzzled by FindClusters on a set of dates with a custom DistanceFunction

QUESTION FROM: David Reiss | 10 years ago BY: David Reiss
Data Science , Discrete Mathematics , Mathematica , Mathematics , ...
2
REPLIES
9.5K
VIEWS

Sorting Data

QUESTION FROM: sean roubion | 11 years ago BY: Bill Simpson
Graphics and Visualization , Mathematica , Signal Processing , ...
3
REPLIES
7.1K
VIEWS

ReleaseHold not effective

QUESTION FROM: Sylvain Rousseau | 12 years ago BY: Sylvain Rousseau
Mathematica , Signal Processing
3
REPLIES
10.4K
VIEWS

How well can Mathematica do multivariate intergrating

QUESTION FROM: Mr Burns | 12 years ago BY: Bruce Miller
Mathematics , Physics , Signal Processing
3
REPLIES
9.3K
VIEWS

Large Polynomials Over Galois Fields

QUESTION FROM: Dave Lubbers | 12 years ago BY: Udo Krause
Computer Science , Mathematica , Mathematics , Signal Processing
3
REPLIES
7.7K
VIEWS

Unexpected Fourier transform (including time shifting property) result in Mathematica/WolframAlpha?

QUESTION FROM: Alex C | 1 year ago BY: Alex C
Mathematics , Signal Processing , Wolfram|Alpha , Wolfram Language
2
REPLIES
2.8K
VIEWS

How can I plot a system's response depending on certain condition

QUESTION FROM: Koushik Maharatna | 1 year ago BY: Koushik Maharatna
Graphics and Visualization , Signal Processing , Wolfram Language
4
REPLIES
2.3K
VIEWS

Issues with FourierSequenceTransform and its inverse

QUESTION FROM: Bert Aerts | 2 years ago
Mathematics , Signal Processing , Wolfram Language
0
REPLIES
2K
VIEWS

How to unwrap the Phase plot of BodePlot?

QUESTION FROM: Cornel B. | 2 years ago BY: Cornel B.
Engineering , Graphics and Visualization , Signal Processing , ...
8
REPLIES
6.3K
VIEWS

Using Manipulate and Sin functions to visualize traverse & standing waves

QUESTION FROM: Mitchell Sandlin | 2 years ago BY: Henrik Schachner
Dynamic Interactivity , Graphics and Visualization , ...
4
REPLIES
4.6K
VIEWS

Determining Period (T) and fundamental frequency (Omega)

QUESTION FROM: Mitchell Sandlin | 3 years ago BY: Bill Nelson
Signal Processing , Wolfram Language
1
REPLIES
3.9K
VIEWS

Is this an efficient algorithm for BioSequence convolution?

QUESTION FROM: Richard Frost | 3 years ago BY: Richard Frost
Biological Sciences , Graphics and Visualization , ...
2
REPLIES
3.7K
VIEWS

Signal processing from Discrete data (Discrete Fourier Transform)

QUESTION FROM: Yann Appelmans | 3 years ago BY: Yann Appelmans
Graphics and Visualization , Signal Processing , Wolfram Language
4
REPLIES
5.4K
VIEWS

Plot frequency with real & imaginary part?

QUESTION FROM: Md Taj | 4 years ago BY: Md Taj
Graphics and Visualization , Mathematics , Signal Processing , ...
5
REPLIES
6K
VIEWS

Reproducing Hankel transform pairs?

QUESTION FROM: John Burkhardt | 4 years ago BY: Mariusz Iwaniuk
Engineering , Optics , Physics , Signal Processing , Wolfram Language
1
REPLIES
4.8K
VIEWS

RegionPlot in Shannon capacity theorem?

QUESTION FROM: Edward Newsome | 4 years ago BY: Edward Newsome
Graphics and Visualization , Signal Processing , Wolfram Language
2
REPLIES
5.9K
VIEWS

Discrete Wavelet Transform coefficients reconstruction in Mathematica?

QUESTION FROM: Joseph ol | 5 years ago BY: Mike Besso
Signal Processing , Wavelets and Fourier Series , Wolfram Language
1
REPLIES
5.7K
VIEWS

Avoid error while using FindFit?

QUESTION FROM: HEMANT KUMAR | 5 years ago BY: Rohit Namjoshi
Data Science , Optimization , Mathematics , Signal Processing , ...
2
REPLIES
6.2K
VIEWS

[TMJ] Peak Response of Single-Degree-of-Freedom Systems to Swept-Frequency

QUESTION FROM: EDITORIAL BOARD | 6 years ago
Authoring and Publishing , Calculus , Equation Solving , ...
0
REPLIES
2.8K
VIEWS

Plot the real value of the Fourier component of electric field?

QUESTION FROM: Muhammad Ali | 6 years ago BY: Muhammad Ali
Engineering , Graphics and Visualization , Mathematics , Physics , ...
2
REPLIES
6.3K
VIEWS

Create custom component with custom formula or transfer function?

QUESTION FROM: Lakshmi Rajagopalan | 6 years ago BY: Lakshmi Rajagopalan
Biological Sciences , Equation Solving , Modeling , ...
10
REPLIES
9K
VIEWS

Calculate seismic to signal ratio and peak seismic to noise ratio?

QUESTION FROM: Oluseun Sanuade | 6 years ago BY: Oluseun Sanuade
Earth Science , Mathematics , Signal Processing , Wolfram Language
7
REPLIES
8.9K
VIEWS

Apply a Continued Fraction Operation to a Filter Model

QUESTION FROM: Roger Backhus | 7 years ago BY: Suba Thomas
Signal Processing
13
REPLIES
9.5K
VIEWS
1
2
3

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