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Fourier

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Released: December 03, 2012  |  Added: December 03, 2012 | Visits: 551

Fourier Transform Lab Student Edition Fourier Transform Lab Student Edition is an advanced application designed for performing Fourier transformations, which can be useful in teaching Crystallography, since they are related to Optical Transforms (e.g. laser diffraction patterns). Furthermore one may get a quick hands-on experience...



Platforms: Windows

License: Freeware Size: 6.8 MB Download (53): Fourier Transform Lab Student Edition Download

Added: May 10, 2013 | Visits: 323

Fourier Series Calculator It tries to approximate a f(x) function with a m term Fourier series, using the quad MATLaB function. Requirements: - MATLAB 7.1.0 or higher





Platforms: Windows, Mac, *nix, Matlab, BSD Solaris

License: Freeware Download (37): Fourier Series Calculator Download

Added: March 24, 2013 | Visits: 340

Fourier Analysis of a Rectangular Pulse Finding the Fourier transform of a rectangular pulse..filtering the spectrum and regenerating the signal usingthe filtered spectrum is done...at the end Rayleigh theorem is proved by showing that the energy content of both time domain and frequency domain signals are equal..your comments are...


Platforms: Matlab

License: Freeware Size: 215.04 KB Download (19): Fourier Analysis of a Rectangular Pulse Download

Added: June 10, 2013 | Visits: 226

Fourier reconstruction of Bandlimited function According to shannon theory it is possible to reconstruct a band limited signal from its Fourier components provided it is sampled sufficiently...just to demonstrate this, posting a small example based on that


Platforms: Matlab

License: Freeware Size: 10 KB Download (19): Fourier reconstruction of Bandlimited function Download

Added: April 19, 2013 | Visits: 236

Demonstration of Fourier transformation These are two M-files d-deDUfourier1d-deDt and d-deDUfourier2d-deDt The first is designed to demonstrate how triangular, rectangular, saw tooth, half wave and full wave rectified signals can be built from superposition of a predefined no of Fourier harmonic terms. It demonstrates how increasing...


Platforms: Matlab

License: Freeware Size: 10 KB Download (19): Demonstration of Fourier transformation Download

Wolfer sun spot data analyzed with the Fourier Calculator The Fourier Calculator (Simulink model) can be used for arbitrary signals. In this case the Wolfer sun spot data are analyzed


Platforms: Matlab

License: Freeware Size: 993.28 KB Download (19): Wolfer sun spot data analyzed with the Fourier Calculator Download

Added: September 06, 2013 | Visits: 227

Fourier Calculator for periodic signals With this Fourier Calculator a periodic signal can be analyzed and represented in figures with harmonics.The signals can easily be produced in the model.


Platforms: Matlab

License: Freeware Size: 10 KB Download (20): Fourier Calculator for periodic signals Download

Added: August 26, 2013 | Visits: 410

Fast Fourier Transform Algorithm This program is open source code of fast Fourier transform in matlab.Where y is the input argument and p is the normalized size of the input. Lety = [1 2 3 4 ];x= length(y);m= log2(x);p= ceil(m);To call the function useft2(y,p);


Platforms: Matlab

License: Freeware Size: 10 KB Download (23): Fast Fourier Transform Algorithm Download

Added: April 29, 2013 | Visits: 282

Fourier Series Calculator Script It tries to approximate a f(x) function with a m term Fourier series, using the quad MATLaB function.


Platforms: Matlab

License: Freeware Size: 10 KB Download (21): Fourier Series Calculator Script Download

Added: October 28, 2013 | Visits: 240

Fourier Sine Series Model The Fourier sine series model displays the sine series expansion coefficients of an arbitrary function on the interval


Platforms: Mac

License: Freeware Size: 1.4 MB Download (17): Fourier Sine Series Model Download

Added: June 27, 2013 | Visits: 263

Harmonics and Fourier Series Model The Ejs Harmonics and Fourier Series model displays the sum of harmonics via a Fourier series to yield a new wave. The amplitude of each harmonic as well as the phase of that harmonic can be changed via sliders. In addition, several pre-set functions can be chosen to display. You can modify this...


Platforms: Mac

License: Freeware Size: 1.34 MB Download (17): Harmonics and Fourier Series Model Download

Added: October 07, 2013 | Visits: 272

Fourier Optics This applet incorporates some image processing techniques in the Fourier optics domain. You can compute and see the Fourier transform of an object and the convolution between two images. You can also simulate the Vander Lugt correlator (matched filter, phase-only filter and inverse filter) and...


Platforms: Mac

License: Freeware Size: 10.24 KB Download (20): Fourier Optics Download

Added: March 21, 2010 | Visits: 1.156

GFourier GFourier can help you use Fourier Analysis for image restoration. GFourier calculates the Fourier Transform of a given image and allows the use of filters in the frequency domain. The Inverse Fourier Transform is then used to substitute original image.. Get GFourier at SourceForge.net. Fast,...


Platforms: *nix

License: Freeware Size: 65.54 KB Download (210): GFourier Download

Added: August 31, 2013 | Visits: 742

HyperMammut This program transforms the images and the sounds using single BIG Fourier Transforms (or DCT/DST,etc.). It produces very interesting and strange effects and allows you to transform sounds to images and vice-versa. To see what it does see the examples .


Platforms: *nix

License: Freeware Size: 51.2 KB Download (84): HyperMammut Download

Added: August 17, 2010 | Visits: 892

PDL::FFTW PDL::FFTW is a PDL interface to the Fastest Fourier Transform in the West v2.x. This is a means to interface PDL with the FFTW library. Its similar to the standard FFT routine but its usually faster and has support for real transforms. It works well for the types of PDLs for which was the...


Platforms: *nix

License: Freeware Size: 2.1 MB Download (127): PDL::FFTW Download

Released: August 15, 2012  |  Added: August 15, 2012 | Visits: 246

fourier An interactive tool to study Fourier Series and related physics phenomenons, using open source/free sorftware.


Platforms: Windows, Mac, Linux

License: Freeware Size: 1.69 MB Download (36): fourier Download

Added: May 03, 2013 | Visits: 310

zoom FFT This program calculates the non-destructive zoom Fast Fourier transform of a time history.The input file must be time(sec) and amplitude(units)Reference: Randall, Frequency Analysis, Bruel & Kjaer, page 170.


Platforms: Matlab

License: Freeware Size: 10 KB Download (21): zoom FFT Download

Added: July 17, 2013 | Visits: 263

Radix 2 FFT Decimation In Frequency Radix 2 FFT using Decimation in FrequencyTruly Appreciates the Wonder Geniuses Joseph Fourier & Cooley Tuckey


Platforms: Matlab

License: Freeware Size: 10 KB Download (18): Radix 2 FFT Decimation In Frequency Download

Added: September 17, 2013 | Visits: 454

Zoom Spectrum This function returns N point DFT samples of 2dw band of Fourier transform of a sequence. Typically, fft() returns N samples of Fourier transform ranging from 0 to 2pi. This function takes the N-point DFT samples and returns N-point samples corresponding to frequency band wc-dw to wc+dw.


Platforms: Matlab

License: Freeware Size: 10 KB Download (21): Zoom Spectrum Download

Added: July 21, 2013 | Visits: 205

crandn [cg, psg] = crandn(rgau,m)Generate correlated Gaussian sequences by Fourier synthesis.Input parameters:rgau = correlation function - length n/2m = number of realisationsOutput:cg = m x n matrix containing m sequences of n correlated variates from a zero mean, unit variance normal distributionpsg...


Platforms: Matlab

License: Freeware Size: 10 KB Download (18): crandn Download

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