Butterworth Filters by Chad Greene

Highpass, lowpass, bandpass, and bandstop Butterworth frequency filters. (filtering, dsp, frequency)

[filtered_signal,filtb,filta]=bandpass_butterworth(inputsig...

[filtered_signal,filtb,filta]=bandstop_butterworth(inputsig...

[filtered_signal,filtb,filta]=hipass_butterworth(inputsigna...

Play MIDI Note by Atul Ingle

Get information about a MIDI note number like frequency and name. Play the note optionally. (midi, play, note)

playmidinote(midinum, varargin)

Unit Converters by Chad Greene

Convert units of pressure, length, time, force, mass, accel., temp, speed, frequency, area, & more! (area, thermodynamics, conversion)

A2au(A)

A2bs(A)

A2cm(A)

Radiation Pattern by Alexios Fourlis

The present GUI shows the radiation pattern from 3 dipoles in two types of display: linear and polar (antennas, dipoles, plots)

dipola(varargin)

Volume Weighted Average Price from Intra-Daily Data by Semin Ibisevic

Retrieves the VWAP from intra-daily data of Google Finance (vwap, data, average)

getHistoricalIntraDayStockPrice(ticker,exchange,interval,pe...

getUniqueDayElements(dates, input)

getVWAP(price, volume, dates)

Vibration from frames by Nassim Khaled

this can be used to extract the frequency of a simple harmonic vibrations from frames (image, processing, vibration)

...

Frequency=vibration_from_images(FPS,base_name_of_frame,nb_o...

Y=line_detect_fct(Image)

Frequency to Note by Firat

Frequency-to-note converter that uses equal temperament system. (music, note, pitch)

freq2note(freq)

Using MATLAB for Bearing Fault Analysis by Roni Peer

Ball Bearings can have several faults, which result in different signals. This program shows this. (system response, frequency, fault)

[K1, K2, K3]=kurtpar(Y,t)

bearing(P, t)

bearingAnalysis(varargin)

GUI for Asymptotic Bode Plots by Erik Cheever

A tool for generating piecewise linear asymptotic Bode diagrams. (asymptotic, frequency, bode)

BodeMagPaper(om_lo, om_hi, dB_lo, dB_hi)

BodePaper(om_lo, om_hi, dB_lo, dB_hi, ph_lo, ph_hi, UseRad)

BodePlotGui(varargin)

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

Character/ symbol frequency distribution analaysis on vintage ciphers by Michael Chan

Demonstrates character/ symbol frequency distribution analysis (vintage ciphers, caesar cipher, vigenere cipher)

caesarCipher( inText, cipherMode )

plotCharDistributionFreq( textContents, fileTarget )

plotCharDistributionFreqDiff( textContents )

HistConnect by Dirk-Jan Kroon

Smooth histograms for sparse sampled signals and images, using low-frequency assumption. (histogram, hist, linear interpolation)

H=HistConnect(X,B,R)

Speech Snipper by Alan Tan

This is a GUI that manages DSP analysis functions for wav-files (e.g., speech signals). (analysis, signal processing, dsp)

pitchwatch(x,Ts)

plotps(x,Ts,N)

spect(x,Ts,wn,N)

Musical Notes by Eric Johnson

Collection of functions for working with musical notes, intervals, frequencies, and cents. (music, notes, cent)

music.freq2cent(f1,f2)

music.freq2interval(f,key)

music.freq2note(f)

Log-Pearson Flood Flow Frequency using USGS 17B by Jeff Burkey

This function will calculate flood flow frequencies using published guidelines by the USGS. (annual extremes, statistics, logpearson)

b17(datain, gg, imgfile, gaugeName, plotref, plottype)

Level crossings by roberto madia

Detect level crossing of signals. (zero crossing, level crossing, level crossing method)

count_final=lc_fast(signal,levels)

changeloglabels v3 by Jeffrey

Alters log labels to linear (10^1.45 to 28..). Remakes for zoom/pan. Automatically runs. (frequency, axis, log labels)

changeloglabels

Bluetooth voice transmission by Stuart McGarrity

Bluetooth Voice Transmission (bluetooth, cvsd, voice)

poiss_gaus_prc(t,x,u,flag,lambda,m,v,seed)

poiss_gaus_prc(t,x,u,flag,lambda,m,v,seed)

bluetooth_init.m

Bluetooth modulation and frequency hopping by Stuart McGarrity

Bluetooth modulation and frequency hopping (bluetooth, wireless, frequency)

bluetooth

ECG Beat Calculation by Arun Kumar

Calculates ECG beats per minute (ecg signal, heart, cardiology)

ecgbeat.m

Change log labels v2 by Daniel Armyr

Alters log labels of to linear labels (10^1.45 to 28.18). Remakes when zoom and pan are used. (log, axes, axis)

changeloglabels(haxes)

Change Log Labels by Jeffrey

Alters log labels of to linear labels (10^1.45 to 28.18). Remakes when zoom and pan are used. (log axis, log labels, log)

changeloglabels(haxes)

BFSK design using system generator by KONSTANTINOS VOSKAKIS

BFSK transceiver using SysGen 10.1 (system generator 101, xilinx, bfsk)

pre(d)

preamble_detacher(clock,prbl_end,input_bit)

state_machine(din,reset)

Frequency-resolved optical gating (FROG) by Adam Wyatt

Generates a FROG trace from a pulse and gate field in time and rconstructs these fields. (frog, frequency, chemistry)

makeFROG(Pt, Gt)

svdFROG(F, seed, EPSTol, iterMAX, constr, mov)

svdexFROG(Field)

OPERATIONS OVER SIGNALS by Diego Orlando

This program add and multiplies two signals. It also displaces, amplifies and changes the frequency (signal processing, signals, operations)

Hilbert-Huang Transform by Alan Tan

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

emd(x)

findpeaks(x)

plot_hht(x,Ts)

PCM coding by Erick Guerrero

Does PCM to a voice from a microphone input or a specific input function (coding theory, quantization, frequency)

PCM.m

DTMF Encoder/Decoder (Generation/Detection) by Muhammad Azeem Azam

Performs Generations and Detection of signals using different technique (dsp, digital signal proces..., dtmf)

dec_filter(varargin)

dtmfgen(varargin)

dtrmfdec(varargin)

Digital implementation of RC low pass filter by Krishna Sankar M

Plot the step and frequency response of a digital RC filter (filter analysis, digital implementatio..., step)

script_digital_RC_LPF.m

Chi-square test - contingency tables by Panagiotis Moulos

This function performs the chi-square test for 2x2 contingency tables (statistics, probability, chi square)

chisquarecont(contab)

Octave centre frecuencies by Eleftheria

Calculation of centre frequencies for 1/(fr)-octave (spectral analysis, octave, frequency)

centr_freq(fr)

Speech Coding Using Sub-Bands by Farhat Masood

Speech Coding Using Sub-Bands (coding, band, speech)

noble.m

sbc1.m

AHIST by Durga Lal Shrestha

Combined good features of hist and histc (statistics, probability, histogram)

ahist(varargin)

Frequency Response of the Ear , Hearing Test by Samir Rawashdeh

Tests the frequency response of the user's ear/ears, and plots the threshold of hearing plot (ear, gui tools, example)

eartest(varargin)

Frequency Plotting by Abhijit Navalekar

convenient way to plot frequency content (fft, signal, frequency)

userfft(input,varargin)

PitchWatch by Alan Tan

Get your pitch right with pitchwatch! (pitch, audio processing, video processing)

pitchwatch(x,Ts)

Animation Of Audio Spectrum by viswanath reddy

we can find the frequency components in an audio signal (animation, dsp, audiospectrum)

FFTAUD.m

Frequency Modulation and Demodulation by Farhat Masood

Frequency Modulation and Demodulation (demo, fm, demodulation)

FM(x,beta)

FMdemod(y,beta)

fastmode by Harold Bien

Optimized high speed version of statistical mode, i.e. element(s) occuring at greatest frequency (statistics, probability, statistical)

[y, n]=fastmode(x)

smithchart by Mohammad Ashfaq

A collection of files capable of drawing a standard colored smith chart including labels and scales (chart, radio, wireless)

scArc(Point, LinCol)

scConCirc(r,LinCol)

scDraw(r, x, ChColor, xR, xL, rR, rL)

Intensity Duration Frequency Curves by Gabriel Ruiz

A plot which shows the different curves of Intensity - Duration - Frequency of rain events. (rain, intensity, duration)

idtplot(instruccion)

Contents.m

Phase Noise by Alex Bar-Guy

Oscillator Phase Noise Model (dbc, phase noise model, fs)

add_phase_noise( Sin, Fs, phase_noise_freq, phase_noise_pow...

Detabulate by Skynet

DETABULATE(TABLE) converts frequency counts to the original population. (statistics, probability, detabulate)

detabulate.m

noisin by Hazem Baqaen

Estimates the amplitude, frequency, and DC offset of a sampled noisy sinusoid. (dc offset, estimate, frequency)

noisin(data,Fs,method)

MEMBERSHIP by Mukhtar Ullah

Membership of elements of one array in another. (membership, frequency, count)

membership(A,B)

MODE by Mukhtar Ullah

Computes mode of statistical data. (statistics, probability, frequency)

mode(x)

Bluetooth Hop Selection Scheme by Mohamed F. Abdel-Aziz

Simulink model of bluetooth hop selection scheme. (bluetooth, simulink, hop)

bt3

Atmospheric Attenuation of Sound by Nathan Burnside

A function that returns the amospheric attenutation of sound. (chemistry, physics, acoustic)

atmAtten(Tin,Psin,hrin,dist,f)

Band Pass Decimation by mx jzc

Band pass decimation with desired signal bandwidth. (band pass, decimation, signal)

IF_constrait.m

DTMF decoder by Randolf Sequera

Displays the input waveform of a DTMF and determines the High and Low frequency content of a DTMF. (dtmf, dsp, dtmf decoder)

decode(varargin)

subdecode.m