Dft

VB Super Fast Fourier Transform ActiveX dll source code. Perform speed optimized DFT and IFT. Platforms: Windows

The SignalLab is a set of .NET 2.0 components for fast Digital Signal Processing (DSP) and data visualization. They allow fast complex signal manipulations with zero lines of program code. SignalLab consists of SiganlPlayer, SignalLogger, Signal Generator for Sine, Triangle, Square, DC and Jaehne... Platforms: Windows

HPC Challenge is a high performance benchmark suite. The HPC Challenge consists of basically 7 benchmarks: 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... Platforms: *nix

cclib is a Python library for parsing and interpreting the results of computational chemistry packages. Among other data, cclib extracts coordinates, atomic orbital information, molecular orbital information, information on vibrational modes, and the results of a TD-DFT calculation. cclib... Platforms: *nix

NumXL is a Microsoft Excel add-in for econometrics and data analysis, designed to make finance modeling and time series easier to manage. You can perform all of your data work right in Excel. NumXL allows you to apply advanced econometric analysis quickly and easily via an intuitive user... Platforms: Windows, Windows 8, Windows 7, Windows Server

IT++ is a C++ library of mathematical, signal processing and communication routines IT++ is a C++ library of mathematical, signal processing and communication classes and functions. Its main use is in simulation of communication systems and for performing research in the area of... Platforms: Windows, Mac, Linux

A state-of-the-art full-potential linearised augmented-planewave (FP-LAPW) code. Designed to be as developer friendly as possible so that new developments in the field of density functional theory (DFT) can be added quickly and reliably. Platforms: Windows, Mac, Linux

IT is a C library of mathematical, signal processing, speech processing, and communications classes and functions. It is being developed by researchers in these areas and is widely used by researchers, both in the communications industry and universities. The kernel of the IT library are... Platforms: Windows, Mac, *nix, C/C++, BSD Solaris

HARMASYLLABLESEG - Segments a signal stored in a WAV file into individual syllables. Also graphs the spectrogram and signal with syllables highlighted in red to show what parts of the signal contain syllables. INPUT: - FILENAME: The path to a signal stored in WAV format. The following arguments... Platforms: Matlab

The Matlab code in this folder implements 1D-3D NUFFTs via fast Gaussian gridding. The convolution loops are written as C programs to be compiled as mex files from the Matlab command prompt. Further mathematical details about the code can be found in L. Greengard and J. Lee, "Accelerating the... Platforms: Matlab

Toolbox for log-spectral magnitude MMSE estimators under super-Gaussian densities.The toolbox can also be downloaded from: http://ict.ewi.tudelft.nl/~richard/log_spe...per_gaussV1.rarThe matlab files enclosed in this toolbox can be used to tabulate gain functions for log-spectral magnitude MMSE... Platforms: Matlab

This GUI Signal Processing tool will help us to process signal from any picture file.This tool will help us to perform signal processing operations at very friendly GUI menu. The menu is self explanatory.How to start1. Extract Zip file to desired location2. Open MATLAB3. Open the Tool and press... Platforms: Matlab

Two applications to set up Analog Computer using operational amplifiers have been shown here using Simscape 2.1 version. The applications solvei) Simultaneous Equations X+Y=2; 2X+Y=2.5 andii) Differential Equation m(d^2x/dt^2)+b(dx/dt)+kx=F(t) with inputs m=2; b=0.7; k=1 and F(t)=0.5.The results... Platforms: Matlab

This function allows one to calculate the Fourier transform of a chirped function evaluated at specific points using the stationary phase approximation.Imagine a pulse with a large time-bandwidth produce: this would require a large amount of data points in order to evaluate the Fourier transform.... Platforms: Matlab

You must enter m=mass ,b=damping constant ,k=spring constant ,initial values and time span.whereas,I entered them as a samplenote that F=f(t). Platforms: Matlab

This set of files can be used to construct a polyphase filter bank with near perfect reconstruction. The filter bank is implemented using two uniformly modulated DFT filter banks that are frequency shifted by 1/2 channel width. Effectively, two-times oversampling is used.The number of channels... Platforms: Matlab

for Lebedev quadratures on the surface of the unit sphere at double precision. **********Relative error is generally expected to be ~2.0E-14 [1]******** Lebedev quadratures are superbly accurate and efficient quadrature rules for approximating integrals of the form $v = iint_{4pi} f(Omega) ud... Platforms: Matlab

This submission defines a generic class of matrix-like objects called MatrixObj and a subclass called DataObj. Objects of the class are capable of behaving as matrices, but whose math operators (+,-,*,,.*,,etc...) and other methods can be defined/redefined from within any Mfile or even from the... Platforms: Matlab

Goertzel algorithm generalized to non-integral multiples of fundamental frequency.The conventional Goertzel Algorithm can be used to compute individual DFT coefficients. In case we need to compute some values of DTFT (that means, non-integer multiples of the fundamental frequency), slight... Platforms: Matlab

clupan is a tool for performing the cluster expansion and several Monte Carlo simulations in multicomponent alloys. clupan can be used for predicting ground state structures and evaluating phase diagrams on the basis of results of DFT calculations. Platforms: *nix