Search Results for "fourier" - Page 2
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Showing 105 open source projects for "fourier"
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DarkF
DarkF is an FFT optical simulation code for GW inteferometers
... (larger than a mirror) and a sampling rate of 256*256). With the Fourier transform method, it is easy to obtain a propagated beam and we can use this code to simulate a simple or a complex system as a Fabry Perot cavity or Advanced detector, like Advanced Virgo, Advanced LIGO or Kagra. It can include reflection and transmission maps from measurements or real mirrors. -
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smib is one of the smallest and simplest computer algebra system in the world, but simple does not mean simplistic. Using smib you can explore many branches of mathematics (e.g. number theory, algebra, calculus, numerical analysis, differential geometry, probability and stochastic calculus) and also some physics (e.g. electromagnetism and quantum mechanics).. By simple you can understand easy to program (smib is a dynamically typed language, with strong affinity to recursivity, programs...
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VStar
Multi-platform Variable Star Visualisation and Analysis
VStar is a multi-platform, easy-to-use variable star observation visualisation and analysis tool. Data can be read from a file or the AAVSO database, light curves and phase plots created, period analysis performed, and filters applied. Plugins can be developed, e.g. to make additional observation sources available. See also: 1. http://www.aavso.org/vstar-overview 2. http://www.aavso.org/forums/about-aavso/vstar 3. http://dbenn.wordpress.com/category/astronomy-science/vstar 4.... -
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This is a recursive C++ source code of the Fast Fourier Transform algorithm allowing parallelization. Also a performance test and its results on my computer are provided. The Performance test suggest to use 4 threads for parallelization. With this one can beat the implementation in "Numerical Recipes in C++" for large signals with more than 2^16 / 2^17 / 2^18 samples depending on the hardware and software.
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Harmonux
harmonic analysis with graphic
Harmonic Analysis (aka Fourier Analysis) Enter a table and get the harmonic function for the table. Open Source in Lazarus/Free Pascal Compiled for Linux and Windows. No installation, just unpack and click on the executable. ATENTION! -In my new instalation of Linux , the executable was not running, I don't know why. I think the windows version is working, but I didn't test it lately. -Sometimes the copy is not settled right, try to right click -> properties -> allow to be executed... -
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DJ Surface Modulator
expression surface for pc based music software
project goals -input processing and effects modulated by a fourier transform surface -xp thru win10 - gui buttons for echo, distortion, dub etc -
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rims-arduino-library
Recirculation infusion mash system library for Arduino
This library implement RIMS controls for home brewers. For definition of a RIMS, see https://tinyurl.com/j3lyuyc For me, an Arduino micro controller + a LCD Keypad shield was cheaper and a lot more customizable than a commercial PID controller. So, with this library, a commercial PID controller is unnecessary. Automatic PID tuning toolkit is also included. Temperature can be read with a thermistor, a resistance temperature detector (RTD) or any custom temperature probe. Heater is... -
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bwfinder
Exogenous feature extractor from brainwaves
This program for Scilab searches for primary peaks in the segments of brainwave signal spectrum which are much above the signal spectrum average. Brainwave segments of 1 s are Fourier transformed, thresholded and merged if contiguous. Selected segments are drawn in time domain, frequency domain and a narrow-band analysis at 75 Hz is attempted. This program should detect strong external signals in brainwave recordings. Weak signals are not detected. This program requires the "edf2ascii... -
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CUDALucas
A program that uses CUDA to accelerate the Lucas Lehmer test.
CUDALucas is a program implementing the Lucas-Lehmer primality test for Mersenne numbers using the Fast Fourier Transform implemented by nVidia's cuFFT library. You need a CUDA-capable nVidia card with compute compatibility >= 1.3 up to CUDA 6.5, 2.x up to 7.0 and 3.x for >=CUDA 8.0 . The program is run from the command line, however it can be configured without using a terminal. See the Wiki for more details. README for new users available at the Files/Downloads page. -
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Finite Transform Library
A Library is for Finite Transforms
The Library is for Finite Transforms such as the Number Theoretic Transform (NTT) and Finite Radon Transform (FRT). Current modules include NTTW for NTTs with high resolution (microsecond) timing, basic array and imaging. The transforms are optimised for performance. -
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CUED PhD thesis template
A LaTeX / XeLaTeX / LuaLaTeX PhD thesis template
A LaTeX / XeLaTeX / LuaLaTeX PhD thesis template for Cambridge University Engineering Department. Option to generate only specific chapters and references without the frontmatter and title page. Useful for review and corrections. A separate abstract with thesis title and author name, along with the title page can be generated by passing the argument abstract to the document class. Option to generate only specific chapters and references without the frontmatter and title page. Useful for... -
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NOTE: the project has moved to https://scipy.org/scipylib/ --- go there to find latest versions. This sourceforge project contains only old historical versions of the software. SciPy is package of tools for science and engineering for Python. It includes modules for statistics, optimization, integration, linear algebra, Fourier transforms, signal and image processing, ODE solvers, and more.
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MSU's Sparse Fourier Repository
The Home of DMSFT, AAFFT, GFFT, and MSFFT.
A collection of sparse Fourier transform codes developed by faculty at MSU. Currently codes for four different prototype sparse FFTs are here: 1.) DMSFT, implemented by Ruochuan Zhang. This is a fast, stable, noise robust, and *fully discrete* improvement on the ideas in GFFT below. It is THE BEST sparse FFT around!!! If you're looking for AAFFT, try this out first. 2.) AAFFT, implemented by Mark Iwen in 2008. This code is easy to use, and documented well, but not implemented very... -
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datasw
datasw, a tool for rapid processing of HPLC-SAXS data.
Small-angle X-ray scattering (SAXS) in solution is a common low-resolution method which can efficiently complement high-resolution information obtained by crystallography or NMR. Sample monodispersity is key to reliable SAXS data interpretation and model building. Beamline setups with inline high-performance liquid chromatography (HPLC) are particularly useful for accurate profiling of heterogeneous samples. The program DATASW performs averaging of individual data frames from HPLC-SAXS... -
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Discharge
Fourier analysis of discharge data in R
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egut
exceptional group unipotent toolkit
Collection of Java Classes for symbolically manipulating elements of split exceptional groups, with an emphasis on unipotent elements. Programs for performing various computations arising in the theory of Fourier coefficients and integral representations of L Langlands L functions in such groups. -
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disp2sif
Stress intensity factor (SIF) calculation from crack tip displacements
The code implements Muskhelishvili's complex function approach to calculate 2D stress intensity factors (modes I+II) from crack tip displacement fields. Surface displacements can be used with a plane stress elastic model. The code uses power/Fourier series expansion and a conformal mapping of an ellipse onto a circle. -
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ICE (Interval Calculator for Engineer)
Interval Calculator for Engineer
ICE is a simple mathematical calculator with very useful shortcuts for Engineer: works natively with tolerance, can run Monte Carlo analysis, uses engineer notation, includes most of the day by day functions used by engineers. -
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Qt-Oscilloscope
Qt based GUI for the Analog Discovery USB Oscilloscope
Analog Discovery is an affordable, yet powerful, USB device that provides, among other features, an analog 2-channel, 100 Msample/s oscilloscope and an analog waveform generator. This project has developed a Qt-based GUI that makes the most important oscilloscope and waveform generator functions of the Analog Discovery device available for Linux users. -
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Brainwave Analyzer
Discrete Fourier Transform of Brainwaves
The Brainwave Analyzer is NOT a finished program. So far it does do Discrete Fourier Transform of brainwaves (very slow), but does not yet do Fast Fourier Transform of brainwaves, nor does it yet calculate frequency. (Later more complete versions should be coming over the next few months.) Written in C# 2010 Access file and csv sample files included. Program assumes that access file is at: C:\Openvibe\OpenVibe.accdb The Brainwave Analyzer is a free open source program written... -
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ViennaCL
Linear algebra and solver library using CUDA, OpenCL, and OpenMP
ViennaCL provides high level C++ interfaces for linear algebra routines on CPUs and GPUs using CUDA, OpenCL, and OpenMP. The focus is on generic implementations of iterative solvers often used for large linear systems and simple integration into existing projects. -
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Generic simple and efficient Fast Fourier Transforms (FFT) implementation using policy-based design and template metaprogramming in C++
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OCaml interface to FFTW3 -- the Fastest Fourier Transform in the West! (http://www.fftw.org/). The code is developed at https://github.com/Chris00/fftw-ocaml
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This is an Image Processing toolkit written in Java. The source code is intended to help you understand processes such as Color Inversion, Edge Detection, Fourier Transform, Morphological process, Laplacian Sharpening, Gaussian Noise Adding, and hist