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updated 1 month ago

Signal Segmentation and Modelling by Costas Panagiotakis

Simultaneous Signal Segmentation and Modelling based on Equipartition Principle (signal processing, segmentation, signal segmentation)

getBestSolution(d,filename,N,ignoreChars)

getDistanceFromSignal(Y,mode,S,CRITERION)

getDistanceFromSignalMSEAICBIC(Y,Sapo,Seos,CRITERION,AICB...

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updated 3 months ago

Power Flow Study In Small WECS connected to Grid by M PAUL PRASAD

M PAUL PRASAD (view profile)

Grid iterface of PMSG based WECS. Modified model presented with the support of Dr Siva Ganesh Malla (small wecs, grid interface, power flow study)

Full_IGBT_7_Level_with_measurements.mdl

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updated 4 months ago

Multirate DPLL Model by steed huang

This Simulink mdl-file is to simulate the spectrum for multirate Digital Phase Locked Loop. (signal processing, mathematics, simulation)

MultirateDPLLv2.mdl

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updated 4 months ago

dct(y) by Koorosh Gobal

1D Discrete cosine tranform (spectral analysis, fft, discrete consine tran...)

dct(y)

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updated 4 months ago

Extended DFT by Vilnis Liepins

Vilnis Liepins (view profile)

Program EDFT produce high-resolution N-point DFT for N greater than the length of data vector. (spectral analysis, fft, dft)

edft(X,N,I,W)

edft2(x,mrows,ncols)

inedft(F,fn,tn)

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updated 4 months ago

DAQ Waterfall Demo by MathWorks Data Acquisition Toolbox Team

Demonstrates data acquisition in MATLAB, and live visualization in an App. (gui, plot, graphics)

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updated 6 months ago

Radar Explorer by Scott

Scott (view profile)

GUI for exploring the FMCW radar signals and the use of FFT's (radar, fmcw, model)

hann(windowLength)

radarExplorer(varargin)

saveData(hObject,event,handles,res)

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updated 6 months ago

ffts(X,V,Xq,method,window) by Dirk-Jan Kroon

Dirk-Jan Kroon (view profile)

Fast Fourier Transform ( FFT ) of scattered data (signal processing, fft, bspline)

ffts(X,V,Xq,method,window)

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updated 6 months ago

OSCAR by Jerome Degallaix

An optical FFT code to simulate Fabry Perot cavities with arbitrary mirror profiles (fft, physics, optical simulation)

HermitePolynomial(n, x)

LGcoefficient(mat, p, l, lambda, w, curv, gridsize)

LaguerrePolynomial(p, l, x)

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updated 11 months ago

fshift by Francois Bouffard

Shifts the elements of an array by a (possibly non-integer) given number of elements. (matrices, circular, shift)

fshift.m

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updated 12 months ago

window.m by Aravazhi Anbarasu

Window Function for Signal Processing (signal processing, control design, image processing)

window(win_size,type)

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updated 1 year ago

FFT_list.m by Rashmil Dahanayake

Performs a FFT analysis for a signal and lists the magnitudes and phase values. (fft, sub harmonics, thd)

fft_list( signal ,time ,varargin )

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updated 1 year ago

FFT accelerated surface analysis tools package by Andreas Almqvist

FFT accelerated functions for analysing 1D and 2D signals such surface profiles, surfaces and images (data exploration, surface analysis, signal processing)

myconv(z,h)

myconv2(z,h)

myconvper(z,h)

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updated 1 year ago

fft_split.m Split the FFT of two real sequences by Patrick Fleischmann

splits the FFT of a sequence x=x1+i*x2 into the FFTs of the real input sequences x1,x2 (signal processing, fft, embedded code)

fft_split(X)

fft_split_tb.m

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updated 1 year ago

FFT-based convolution by Bruno Luong

Bruno Luong (view profile)

Discrete convolution using FFT method (convolution, conv, conv2)

conv2fft(varargin)

convnfft(A, B, shape, dims, options)

convnfft_install

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updated 1 year ago

A finite cosine wavetrain and its Fourier transform by Sathyanarayan Rao

This code computes frequency spectrum of a finite cosine wavetrain using MATLAB FFT function. (fft, axis scaling for fft, cosine wavetrain)

wave_train.m

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updated 1 year ago

Quick & easy smoothing by Damien Garcia

Damien Garcia (view profile)

Z = SMOOTH1Q(Y) smoothes data Y using a DCT- or FFT-based spline smoothing method (smoothing, robust smoothing, dct)

smooth1q.m

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updated 1 year ago

Short Time Fourier Transform (STFT) by Hooman Sedghamiz

To visualize the STFT of a signal for further processing (short time fourier tr..., fft, stft)

fft_s.m

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updated 1 year ago

Matlab code for Fast Fourier Tranform (FFT) by Md. Salim Raza

Md. Salim Raza (view profile)

Determination of frequency spectrum for given signal using general and built-in function FFT (fft, ofdm, frequency spectrum an...)

FFT_salim.m

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updated 1 year ago

Fourier Transform application. by Mahmoud

Mahmoud (view profile)

This project demonstrate how to make Fourier transform for input signal. (fft, gui, matlab)

mahmoud_tariq_abu_zayed(varargin)

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updated 1 year ago

to build radially averaged profile of one image by gurgite

for use with circularly symmetric FFT images (image analysis, afm, sem)

radbase.m

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updated 1 year ago

MatLab Solutions: "Introduction to Digital Signal Processing: A Computer Laboratory Textbook". by Ilias Konsoulas

These files are the MatLab solutions of exercises contained in the above DSP lab textbook. (dsp, digital signal proces..., discrete fourier tran...)

AD_DA(x,Xmin,Xmax,Levels)

conv_DHT(x,y)

conv_DHT2(x,h)

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updated 1 year ago

Low Freq 2D Fourier Transform by Daniel

Daniel (view profile)

Produces high resolution 2D Fourier Transform for low spatial frequencies. (fft, 2dfft, fft2)

sft2_low( x, maxFreq, totalLen, duplicate)

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updated 1 year ago

Circular Cross Correlation using FFT by Johannes Schmitz

Calculate the circular and non-circular cross correlation using the FFT method. (correlation, crosscorrelation, circular)

cxcorr_fft( a,b )

xcorr_fft( a, b )

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updated almost 2 years ago

FFT Beam Propagation Method by Edgar Guevara

Edgar Guevara (view profile)

Implementation of the FFT BPM in different optical waveguides and free space (chemistry, physics, fft)

BPM_2step.m

BPM_Y_Branch.m

BPM_free_space.m

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updated almost 2 years ago

IEEE 802.16-2004 Wireless-OFDM : WiMax2004 by SBAIH Nizar

this is an approach of IEEE 802.16-2004 standard. (wireless communicatio..., ofdm, signal processing)

WiMax2004

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updated almost 2 years ago

ejem 1 by Arturo

Arturo (view profile)

it's an example of a FFT (fft)

ejem1.m

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updated almost 2 years ago

Simple Function Generator by Hiroyuki Kato

function "sfg.m" can generate sin,square,duty square,iso triangle,saw tooth,sweep .and fft. (signal processing, control design, mathematics)

sfg(type,t,ff,f0,f1,ana)

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updated almost 2 years ago

filter4fun by Per Sundqvist

Filtering signal with analytic filter function. Have limitations, but works well. (filter, fft, ifft)

y=filter4fun(fun,t,x)

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updated almost 2 years ago

Quick Convolution by Chris Turnes

Qconv is a faster alternative to the "conv" function of the SP Toolbox when the inputs are long (fft, signal processing, convolution)

cfft(varargin)

qconv(X, Y, P)

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updated 2 years ago

Filter for discrete time signal by itamar luzon

input: signal, Fs, filter: specific frequency, # of harmonics, shape, width output : a clean signal (fft, filter, signal)

[y_fl, Y_fl, f, Y, f_fl, fl_function, filter]=f4ts(y,Fs,f...

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updated 2 years ago

fast Fouriertransform by nitin chhabra

test input output (fft)

test_FFT(flag)

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updated 2 years ago

Get harmoniques of a real signal by Azzi Abdelmalek

Given the signal x(t), the function find a0, ak, bk the amplitudes of cos and sin waves. (fft, fourier transform, harmonics)

[wc,w0,a0,ak,bk,c0,ck]=get_harmonics(y,pas)

get_harmonics_demo.m

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updated 2 years ago

One-Sided FFT by Aravazhi Anbarasu

More intuitive than built in function for simple operations.Useful for repetitive code and plotiing. (data export, data import, communications)

fft_calc(X,fs)

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updated 2 years ago

MRI Partial Fourier reconstruction with POCS by Michael Völker

Fast and robust reconstruction of Cartesian partial Fourier MRI data with POCS (partial fourier, pocs, mri)

pocs( ksp, iter, watchProgress )

pocs_example.m

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updated 2 years ago

Audio Equalizer by Grant Lohsen

Modify an input signal to match a given power spectral density. (nsd, psd, audio equalizer)

fEqualizer(Signal, SampleFrequency, struct_PSD)

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updated 2 years ago

Short Time Fourier Transform by Hafeez Dhalla

Script for computing the short time Fourier transform of 1D signals. (dsp, stft, fft)

X=stft(x,wl,olr,window,alpha)

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updated almost 3 years ago

Noncontact Speckle-Based Velocity Meter by Sagheb Kohpayeh Araghi

Finding a velocity of substance by using radon transform. (velocity, radon, image)

Johann

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updated 3 years ago

CUDA Convolution filter by Mario Tuerschmann

Convolution of an arbitrary 1D complex signal with an arbitrary filter kernel (cuda, fft, convolution)

CudaConvolution( input_args )

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updated 3 years ago

16 point radix 2 DIF FFT with Hamming window by Denny Hermawanto

Implementation of 16 point radix 2 with Hamming window (fft, hamming)

[y]=fft16_hamming_window(x)

test_hamm_fft16.m

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updated 3 years ago

IFFT using FFT by Denny Hermawanto

Computes IFFT of Signal Spectrum (ifft, fft, signal processing)

myfft16(x);

myifft16(x)

test_ifft.m

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updated 3 years ago

Block Circulant Matrix package for MATLAB by Stephen Forsythe

Allows compact representation of block-circulant matrices and fast operations (*,\,pinv,etc). (blockcirculant, circulant, fast inverse)

BlockCirculant

test_BlockCirculant.m

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updated 3 years ago

Sliding Window Gen and usage with Higuchi Fractal Dimension (windowed HFD) by SUMANTH

SUMANTH (view profile)

SWG() is a multipurpose, segment generation tool based on input, window size, overlap size (higuchi, fractal, dimension)

HFD_LCALC( data,varargin)

SWG( data,W,O )

test.m

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updated 3 years ago

Spectrogram, STFT, with varied kinds of Plots by Shreyes

Shreyes (view profile)

Plots STFT using line, Stem, Surface, Image. STFT calculation done using in built function (mathematics, statistics, signal processing)

spectrogram_multiplot(plot_type, data, varargin)

spectrogram_multiplot_demo.m

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updated 3 years ago

Discrete Fourier transform Plot by Enrico

Enrico (view profile)

Creates a spectral components plot from a signal vector. (measurement, signal processing, fft)

fftplot(varargin)

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updated 3 years ago

Instantaneous FFT by Shreyes

Shreyes (view profile)

Click on any point in the signal to find the FFT of the surrounding portion of given length. (communications, gui, mathematics)

Inst_FFT(varargin)

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updated 3 years ago

Block Filter using OverLap and Save, with FFT by Nkiruka

Nkiruka (view profile)

A block filter that implements the overlap and save method with FFT (filter, fft, overlap and save)

FFTBlockFilt_1_.m

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updated 3 years ago

FFT for input sequence of any length by Jitendra Dalei

This program can calculate FFT of a sequence of length 2^n, where n < ∞ (fft, signal processing, matrix)

anyinputfft.m

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updated 3 years ago

fft realtime using dit algorithm by Jitendra Dalei

It is done for 32 bit input (fft, dit, dif fft)

fftdit32.m

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updated 3 years ago

Live audio stream analyser and voice coach by Steve Lawrence

A program that uses 'analoginput' to create a live audio stream, which is analyzed in real-time. (singing, coach, signal processing)

liveon.m

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