Search Results for "embarcadero fft fourier"
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Showing 35 open source projects for "embarcadero fft fourier"
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C++ FFT
C++ radix 2 & 3 multi-dimension complex FFT & graphical test program
This C++ code does radix 2 & 3 multi-dimension (any) complex FFT and its inverse. Array dimensions with sizes that are not 2^m 3^n are automatically zero-padded to the nearest larger size integer of the form 2^m 3^n. The new array has the original data centered, except when a dimension size is increased by an odd number, the zero padding on the left is one less than the zero padding on the right. This FFT code is in is own namespace and is in one source file and one include file. There is... -
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FFTW++ is a C++ header class for the FFTW Fast Fourier Transform library that automates memory allocation, alignment, planning, wisdom, and communication on both serial and parallel (OpenMP/MPI) architectures. In 2D and 3D, hybrid dealiasing of convolutions substantially reduces memory usage and computation time. Wrappers for C, Python, and Fortran are included.
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Eleana
Program for the analysis of spectroscopic data, in particular EPR(ESR)
Eleana is a program for manipulating, modifying and analyzing various spectroscopic data, in particular electron paramagnetic resonance spectra. It allows you to import data from Bruker spectrometers such as Elexsys or EMX and data from any ASCII file or imported from the clipboard. The program is under constant development, but already has many functions implemented for spectral analysis. Some of the basic functions include: baseline corrections, filtering, spectral clipping, integration /... -
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Book-Reviews-In-Mathematica
Partial Differential Equations, Complex Analysis, Mathematica, Farlow
Cliff* Notes, Mathematica Evaluatable "Partial Differential Equations for Scientists and Engineers", Farlow "Physics for Scientists and Engineers", Serway "A First Course in Complex Analysis", Beck "PDE", Asmar "PDE, An Introduction", Colton "Elementary Differential Equations", 7th, Rainville "Ordinary Differential Equations", Tenenbaum "Linear Algebra And It's Applications", Lay "Swokowski Calculus", 5th, Swokowski "Chemistry Concepts & Problems, A Self-Teaching Guide",... -
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Advanced Trigonometry Calculator
Precision Trigonometry: Advanced Calculator for Complex Math
Advanced Trigonometry Calculator is equipped with a user-friendly interface that allows for easy input of problems and instant computation. Professionals such as engineers who need to perform advanced trigonometric calculations in their work will find this tool extremely useful. ATC Online Alpha: https://advantrigoncalc.sourceforge.io/atc/ More info by clicking below: https://advantrigoncalc.sourceforge.io/ Advanced Trigonometry Calculator was only and always only developed by... -
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AbstractFFTs.jl
A Julia framework for implementing FFTs
A general framework for fast Fourier transforms (FFTs) in Julia. This package is mainly not intended to be used directly. Instead, developers of packages that implement FFTs (such as FFTW.jl or FastTransforms.jl) extend the types/functions defined in AbstractFFTs. This allows multiple FFT packages to co-exist with the same underlying fft(x) and plan_fft(x) interface. -
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libdspl-2.0
libdspl-2.0 is opensource cross-platform digital signal processing alg
libdspl-2.0 — opensource cross-platform digital signal processing algorithm library, written in C language. Distributed under LGPL v3 license. This allows to use this library in all applications with dynamic linking. -
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Description and detailed explanation on Fourier Transform, some FFT, LPC etc. Runable project demonstrates DCT transform on continuous audio, show and edit audio source with different zooming and view.
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NFFT
The official NFFT library repository
NFFT is a software library, written in C, for computing non-equispaced fast Fourier transforms and related variations. -
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radio_vocoder_FFT
a vocoder + equalizer + FFT effects version of radio_chung
radio vocoder chung is a vocoder + linear equalizer(s) + FFT effect(s) version of radio chung free internet web radio stream url and audio file generic path player ( * ,mp3,*name*.ogg,wav,...) with dsp(s) (baxandall , resonance , automod , decay , flat , noisered , speed , feedback ) using bass.dll , gui_chung , FFTdll.dll fft fast fourier transform and freebasic .high quality small pitch shift shifting for radio url . added record, playrec, save as MP3 , feedback , anticlick . -
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displaysound_chung
display, record, add special effects
displaysound chung is a small program to display the selected input sound port (for example the system input mixer of the computer , or the mic microphone ) data in a scope like or spectrum FFT fourier window. or midi keyboard. Is writtten in easy fast freebasic . Can record,playrec, saveasMP3, loadMP3 (added 01/2022) with automatic level record and autostart/stop rec max 20mn flat0=auto flat spectrum, flat1=auto clone spectrum, (4096 band equalizer exciter enhancer) usage example : correct spectrum of low quality onboard mic of a pc -
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resonance_chung free VST plugin effect
piano like variable dynamic reverb
resonance chung is a free gpl open source VST plugin variable dynamic reverb sound effect compatible with VST steinberg, fb_chungVST , midipiano_chung , freemp3_chung , dsp_chung , radio _chung music plugins support. It aims to simulate the increase of reverberation with the number of played notes like in a real acoustic piano . a quick fft small fourier transform is used to estimate a number of played notes and modify the reverb rate in real time. Is written in easy fast freebasic . -
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DarkF
DarkF is an FFT optical simulation code for GW inteferometers
DarkF is an optical simulation code in FORTRAN 90 able to represent with a high accuracy any kind of stable cavity, even when many static or dynamical defects are present, like misalignments, curvature errors, surface irregularities, substrate inhomogeneities. It uses a plane wave decomposition to propagate the wavefronts. Beams and mirrors are sampled on a grid of coordinates (x; y) and the DarkF resolution is depending on the grid size and on the sampling rate (typically a size of 0.6m... -
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vocoder chung is a small educational vocoder using discrete fourier transform FFT spectrum written in easy fast compiled freebasic . (24/12/2019) uses fast and accurate FFTdll.dll (28/03/2020) algorythmic voice cloning / change / morphing experiment added
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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.) -
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HPC Challenge
HPC Challenge is an HPC benchmark for memory access patterns
HPC Challenge benchmark consists of 7 tests: (1) HPL - the Linpack TPP benchmark which measures the floating point rate of execution for solving a linear system of equations. (2) DGEMM - measures the floating point rate of execution of double precision real matrix-matrix multiplication. (3) STREAM - a simple synthetic benchmark program that measures sustainable memory bandwidth (in GB/s) and the corresponding computation rate for simple vector kernel. (4) PTRANS (parallel matrix transpose) - exercises the communications where pairs of processors communicate with each other simultaneously - a useful test of the total communication capacity of the network. (5) RandomAccess - measures the rate of integer random updates of memory (GUPS). (6) FFT - measures the floating point rate of execution of double precision complex one-dimensional Discrete Fourier Transform (DFT). (7) Communication bandwidth and latency test for simultaneous communication patterns. http://icl.cs.utk.edu/hpcc -
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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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A More Accurate Fourier Transform
Computes Accurate Fourier Transform via Explicit Integration not FFT
Fourier transform methods are used to analyze functions and data sets to provide frequencies, amplitudes, and phases of underlying oscillatory components. Fast Fourier transform (FFT) methods offer speed advantages over evaluation of explicit integrals (EI) that define Fourier transforms. It has been shown recently that EI methods can be more accurate than FFT methods (Courtney and Courtney, A More Accurate Fourier Transform) for scientific data analysis and that EI methods can be implemented in reasonable times with modern computing power. ... -
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FFTL
Templated Fast Fourier Transform in C++
Now moved to GitHub: https://github.com/CoreyShay/FFTL Provides some relatively easier to use than normal templated FFT classes written in C++. This is currently still a work in progress, but the FFT portion (complex and real) both output the correct results, and the code executes very quickly, around only 30% or so slower than the much more difficult to compile FFTW on SSE enabled platforms. Though optimized code only runs on SSE (x86) based platforms, it's a very simple matter to port... -
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StFFT
FFT on Structured text
Fast fourier transform algorithm written on IEC-61131-3 Structured text programming language for programmable logic controllers. Algorithm is split-radix FFT. StFFT is iterative contrary to more common recursive approach. Iterative solution was chosen because PLCs don't have support for recursion. For compatibility with as many as possible PLC models, algorithm have dependency only on sine and cosine functions. -
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QRealFourier
Qt-based FFT implementation
A Qt library for Fast Fourier Transform (FFT) of real samples. Based on the FFTReal library. -
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tiny-DSP library
small and fast library dealing with signal processing
Tiny-DSP library contains c sources of a fast, tiny, portable and generic FFT (Fast Fourier transform) and inverse FFT. Supported are all power of two sizes (like 2,4,8,16,32,...) for one and two dimensional floating point arrays. -
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Fast Fourier Transforms (FFT) for Multi-CPU (and RAM) Stress Testing. Shows detailed information about physical and logical processors in the system. Included CPU Benchmark feature for speed testing. Automatically utilizes and tests all CPU cores.
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An implementation of the sparse FFT algorithms discovered by Mark Iwen and described in http://www.math.duke.edu/~markiwen/DukePage/Papers/JcFFTsubmit.pdf. Used for benchmarking in http://www.ima.umn.edu/preprints/jul2010/2326.pdf.
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