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updated 2 years ago

Delta Sigma Toolbox by Richard Schreier

High-level design and simulation of delta-sigma modulators (electronics, deltasigma, sigmadelta)

1; end end

DocumentNTF(arg1,osr,f0,quadrature)

ESLselect(v,sy,dw,df)

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updated 6 years ago

Hilbert-Huang Transform by Alan Tan

This submission is a realization of the Hilbert-Huang transform (HHT). (audio processing, video processing, hilberthuang transfor...)

emd(x)

findpeaks(x)

plot_hht(x,Ts)

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updated almost 5 years ago

MATLAB for Digital Communication by Won Yang

The MATLAB programs in "MATLAB/Simulink for Digital Communication" authored by Won Y. Yang et. al (matlab, signal processing, communiation)

AI=inv_GF2(A)

H_est=channel_estimate(X,y)

I=Gauss_Hermite(f,N,varargin)

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updated 7 months ago

Communications System Toolbox Support Package for RTL-SDR Radio by MathWorks Communications System Toolbox Team

Design and prototype software-defined radio (SDR) systems using RTL-SDR with MATLAB and Simulink (sdr, rtlsdr, pick of the week)

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updated 2 months ago

Local binary patterns by Nikolay S.

Calculates image LBP (Local binary patterns). (lbp, image processing, pattern)

[outImg, varargout]=tightHistImg(inImg, varargin)

[radInterpFilt]=generateRadialFilterLBP(p, r)

assignUserInputs(funcParamsNames, varargin)

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updated almost 3 years ago

HTK MFCC MATLAB by Kamil Wojcicki

Mel frequency cepstral coefficient feature extraction that closely matches that of HTK's HCopy. (mfcc, mfccs, htk)

[d,fp,dt,tc,t]=readhtk(file)

cell2file( list, file )

mfcc( speech, fs, Tw, Ts, alpha, window, R, M, N, L )

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updated 3 years ago

Detect circles with various radii in grayscale image via Hough Transform by Tao Peng

Detect circular shapes in a grayscale image. Resolve their center positions and radii. (image analysis, circular hough transf..., various)

CircularHough_Grd(img, radrange, varargin)

DrawCircle(x, y, r, nseg, S)

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updated 3 months ago

Communications System Toolbox Support Package for USRP Radio by MathWorks Communications System Toolbox Team

Support package installer file for USRP radio. (communications, signal processing, sdr)

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updated 7 years ago

Phase Locked Loop tutorial by Giorgia Zucchelli

A tutorial showing how Phase-Locked Loops, both analog and digital can be efficiently modeling in Si (dsp, pll vco nco phase loc...)

Demo: Phase Locked Loop

cppll

dpll

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updated 11 months ago

Content Based Image Retrieval by Chez

Simple content based image retrieval for demonstration purposes. Either using knn or classification (image retrieval, content based image r..., classification)

L1(numOfReturnedImages, queryImageFeatureVector, dataset)

L2(numOfReturnedImages, queryImageFeatureVector, dataset,...

[obj, overall]=confMatPlot(confMat, opt)

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updated 6 months ago

Short-Time Fourier Transformation (STFT) with Matlab Implementation by Hristo Zhivomirov

Time-Frequency analysis via Short-Time Fourier Transformation (STFT) (signal processing, spectral analysis)

stft(x, wlen, h, nfft, fs)

example.m

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updated 2 years ago

Envelope Detction for Signal Analysis by Santhana Raj

Computes the envelope of the signal by two methods: 1.LPF method 2.Hilbert Transform (image processing, signal processing, envelope detection)

y=envelope(signal,Fs)

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updated almost 6 years ago

Empirical Mode Decomposition by Manuel Ortigueira

It decomposes a given signal into a set of intrinsic mode functions that are essentially AM/FM modul (signal processing, emd, hht)

rParabEmd__L.m

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updated 11 months ago

DWT - SVD robust and secure watermarking scheme by Chez

Watermarking scheme based on DWT and SVD techniques. (watermarking, tamperproofing, steganography)

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updated 11 years ago

HOSA - Higher Order Spectral Analysis Toolbox by Ananthram Swami

Spectral and polyspectral analysis, and time-frequency distributions. (statistics, probability, hos)

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updated almost 11 years ago

MATLAB Simulations for Radar Systems Design by Bassem Mahafza

MATLAB Simulations for Radar Systems Design (communications, radar, signal processing)

Capped_Wedge_GUI(varargin)

DielCappedWedgeTMFields_Ls(v,m,rhoij,phiij,rhop,phip,ar,k...

DielCappedWedgeTMFields_PW(v,m,rhoij,phiij,phip,ar,k,k1,a...

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updated 2 years ago

MIRtoolbox by Olivier Lartillot

An innovative environment, on top of Matlab, for music and audio analysis (music analysis, audio analysis, signal processing)

aiffread(filePath,indexRange)

center(x)

combinepeaks(p,v,thr)

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updated 10 years ago

IEEE 802.11a WLAN model by Martin Clark

IEEE 802.11a WLAN physical layer model, with demonstration of adaptive modulation and coding. (wireless, 80211a, 80211)

IEEE80211a_graphics(s, ax, firstcall, params);

IEEE80211a_graphics(s, ax, firstcall, params);

IEEE80211a_open_graphics(blk, forceClose);

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updated 1 month ago

LiveRecording by Marcus Vollmer

Recording audio signals, live visualisation, spectrogram, save to .wav (recording, audio signal, voice)

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updated 3 years ago

Simulink serial - example model by Steven Kolak

Using Simulink with serial devices - example model (example, application, serial)

Simulink_serial_example

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updated 5 months ago

Real Time Microphone and Camera data acquisition and audio-video processing by Theodoros Giannakopoulos

This Matlab-code is a demo for real-time audio and image processing. (audio processing, video processing, camera)

realTimeMic(duration, nBlocks, useVideo)

zcr(signal,windowLength, step, fs);

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updated 12 months ago

Pink, Red, Blue and Violet Noise Generation with Matlab Implementation by Hristo Zhivomirov

Pink, red, blue and violet noise generation via spectral processing of white noise. (noise, signal processing, physics)

bluenoise(N)

pinknoise(N)

rednoise(N)

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updated 4 years ago

SPEAKER RECOGNITION SYSTEM by raghu ram

uses MFCC or WAVELET SUB BAND CODING (selectable) and GMM for pattern recognition. (signal processing)

About(varargin)

DataBaseAccess(varargin)

H=histn(x,ncont)

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updated 11 months ago

Gabor filtering on an image by Deepak Kumar Rout

Application of gabor filter on image (gabor filter, image processing, image)

gb=gabor_fn(sigma,theta,lambda,psi,gamma)

gabor_program.m

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updated 18 days ago

Model-Based Design for Electrical Automobile Chassis Control by Hitoshi Takeshita

You will be able to understand MBD process with Lego R/C car. (simulation, control design, automotive)

addExtIfNeeded(name)

convertLocalizedPropName(defInfo, val, prefix)

convertLocalizedSheetName(defInfo, val)

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updated 2 months ago

ECC image alignment algorithm (image registration) by Georgios Evangelidis

This is a Matlab implementation of the ECC image alignment (image registration) algorithm. (image alignment, image registration, gradientbased registr...)

ecc(image, template, levels, noi, transform, delta_p_init)

image_jacobian(gx, gy, jac, nop)

spatial_interp(in, warp, str, transform, nx, ny)

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updated 2 years ago

Measures of Analysis of Time Series toolkit (MATS) by Dimitris Kugiumtzis

MATS computes many measures of scalar time series analysis on many time series in one go. (signal processing, simulation, statistics)

AAFTsur(xV,nsur)

AMRBootstrap(xV,arm,nsur)

ARMAfitite(xV,mV,pV,TV)

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updated 6 months ago

DSP System Toolbox Support Package for ARM Cortex-M Processors by MathWorks DSP System Toolbox Team

Support package install file that works with the ARM Cortex-M CMSIS Library (arm, microcontroller, embedded programming)

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updated 5 months ago

Matlab Audio Analysis Library by Theodoros Giannakopoulos

Companion material for the book "Introduction to Audio Analysis, A MATLAB approach" (audio analysis, signal processing, audio classification)

...

...

...

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updated 6 years ago

A Matlab-based Object-Oriented Approach to Multipath Fading Channel Simulation by Cyril Iskander

This white paper explains the algorithms used in the Communications Toobox's fading channel function (wireless, fading, multipath)

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updated 8 years ago

EXTENDED KALMAN FILTER example by rc reddy

An example of EXTENDED KALMAN FILTER (dsp, kalman, extended)

EKLMNFTR1(Ap,Xint_v,Uk,Qu,Vk,Qv,C,n,Wk,W,V);

EKF1.m

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updated 2 years ago

Equalizer, audioplayer, GUI by Maxim Vedenyov

Possible to change equalizer during playing (equalizer, eq, dsp)

[b a]=get_high_shelving_filter(g,Q,f,Fs)

[b a]=get_low_shelving_filter(g,Q,f,Fs)

[b a]=get_peak_filter(g,Q,f,Fs)

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updated 10 months ago

Analog / Mixed Signal Examples by Dick Benson

Extensive collection of examples for analog and mixed signal design work. (dsp, circuit, rf)

[Out1,Out2]=qsynth(Action,In1,In2)

analyze_BPF(Lval,Cval,Z0)

curveintersect.m

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updated 3 years ago

B-spline tools by Jan Tore Korneliussen

Basic toolbox for polynomial B-splines on a uniform grid. OO overloading of common operators. (splines, approximation, interpolation)

B-spline toolbox

bspline0( x )

bspline1( x )

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updated almost 2 years ago

Real-Time Audio Processor by Tucker McClure

Simplifies streaming or generating audio in real time. (audio, realtime, synthesis)

midi_interface_builder()

sine_of_the_times(times, in, state_in)

HandlePlayer

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updated 5 years ago

spiht algoritm based image compression by kranthi kumar

matlab program for developing spiht algorithm must be much better than jpeg version in all cases. (signal processing, image processing, demo)

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updated 3 months ago

Communications System Toolbox Support Package for Xilinx FPGA-Based Radio by MathWorks Communications System Toolbox Team

Support package installer file for Xilinx FPGA-Based Radio (signal processing, wireless, communications)

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updated 23 days ago

Sigma-Delta Toolbox by Isacco Arnaldi

Model-Based design and simulation of various Sigma-Delta ADCs (adc, dsp, audio processing)

SNRestimation(simout, f)

calculateSNR(hwfft,f,nsig)

ds_hann(n)

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updated 9 years ago

UWB Fixed-Point Model (Multiband OFDM) by Mike Mulligan

Ultrawideband (UWB) multiband OFDM physical layer with fixed-point transmitter/receiver modeling. (wireless, ultrawideband, uwb)

UWB_settings(OFDMDataSymPerFrame, OFDMWordLength);

UWB_settings(OFDMDataSymPerFrame, OFDMWordLength);

fpscaling(wordLength, LE, returnFracLength);

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updated almost 7 years ago

Sigma-Delta ADC, From Behavioral Model to Verilog and VHDL by Ali Behboodian

Model-Based Design of a Sigma-Delta ADC, from behavioral model to VHDL code. (dsp, adc, sigmadelta)

sigma_delta_control

y=bin2sbin(x)

filter_design.m

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updated almost 5 years ago

802.11b PHY Simulink Model by Stuart McGarrity

Simulink® model of 802.11b baseband physical layer. (wireless, 80211 matlab, simulink)

WiFi_init.m

WiFi_init.m

ber_test.m

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updated 11 years ago

MATLAB Record GUI by Jesse Hansen

MATLAB Record GUI: Used to record, edit, and analyze speech or other sounds. (sound, matlab gui, audio)

record(op)

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updated 2 years ago

MATLAB/Simulink for Digital Signal Processing by Won Yang

Many MATLAB codes for Digital Signal Processing (signal processing, simulation, simulink)

B=FRS_nr_realization(Gd,N,sym,ftype)

D=dctmtx_my(M)

DCT2_blk(u,block_size)

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updated 4 months ago

Sound analysis with Matlab Implementation by Hristo Zhivomirov

Time and frequency analysis, measurement of the crest factor, the dynamic range, etc. (signal processing, sound analisys, not a function)

Sound_Analysis.m

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updated 1 year ago

Chaotic Generators Demo by Bogdan Cristea

Chaotic generators demo can be used for studying the behavior of chaotic generators. (chaos, attractor, bifurcation diagram)

[waxis,Pyy,bic]=m_bicoher(y,nfft,wind,nsamp,overlap)

[waxis,Pyy]=m_powerspec(y,nfft,wind,nsamp,overlap)

attractor(action)

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updated 6 years ago

Simple Single Carrier FDMA (SC-FDMA) Simulator by Hyung Myung

Simple link level and PAPR simulators for SC-FDMA system. (wireless, single carrier fdma, scfdma)

ofdm(SP)

paprOFDMA()

paprSCFDMA()

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updated 1 year ago

Agilent Infiniium and InfiniiVision Oscilloscopes – MATLAB Example by Vinod Cherian

MATLAB application example for Agilent Infiniium and InfiniiVision oscilloscopes (matlab example, agilent, oscilloscopes)

AnalyzedDataPanel(parent, title)

DataSourcePanel(parent, title)

MICTSource(hParent, bSimulation)

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updated 4 years ago

PPT for Chapter 9 of "MATLAB/Simulink for Digital Communication" by Won Yang

Chapter 9 of "MATLAB/Simulink for Digital Communication" (authored by Won Y. Yang et al.) (matlab, simulink, communication)

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updated 2 years ago

IMF for Bearing Fault Diagnosis by Santhana Raj

performs HHT on signal & IMF is plotted for Condition monitoring of vibration based bearing fault (signal processing, bearing fault, condition monitoring)

[imf,imf_fft]=imf_bearing(y,Fs,l)

emd(x)

findpeaks(x)

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updated 5 months ago

Inverse Short-Time Fourier Transformation (ISTFT) with Matlab Implementation by Hristo Zhivomirov

Time-Frequency resynthesis via Inverse Short-Time Fourier Transformation (ISTFT) (signal processing)

istft(stft, h, nfft, fs)

stft(x, wlen, h, nfft, fs)

Resynthesis.m

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