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updated 13 hours ago

Reversible Watermarking Algorithm Using Sorting and Prediction by mongkol

Reversible Watermarking Algorithm Using Sorting and Prediction (image processing, reversible watermarki..., reversible data hidin...)

crossset(originalImage)

dec2binvec(dec,n)

dotset(av_cross_image)

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updated 16 days ago

PSK31 Model with Symbol Timing and Carrier Recovery by Dick Benson

Updated version of PSK31 communication standard that is now R2013B compliant. (timing recovery, fec, wireless)

load_alpha()

make_bits(msg)

print_char(word,init)

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updated 16 days ago

A Synchronized Mil-Std-188-110B Receiver by Dick Benson

Extends the shipping "188" modem. Features a synchronized 1200 bps / short interleave receiver. (communications, synchronization, equalizer)

example_sel2html(fn,new,Click_Sensed)

mil_188_gui(varargin)

mil_std_188110b_initmask_ship(block)

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updated 16 days ago

ATSC: From RF to Video by Dick Benson

A set of models to process an ATSC RF signal and output an MPEG II video transport stream. (potw, pick of the week, atsc)

dspblkadpt_old(action)

example_sel2html(fn,new,Click_Sensed)

atsc.m

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updated 22 days ago

Variable Precision Integer Arithmetic by John D'Errico

Arithmetic with integers of fully arbitrary size. Arrays and vectors of vpi numbers are supported. (finite field, integer, biginteger)

base2vpi(B,base)

bin2vpi(B)

binomfactors(n,k)

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updated 23 days ago

sisoid/rank_code by Alexander Shishkin

MATLAB realization of rank metric error-correcting code (mathematics, communications)

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updated 23 days ago

Cochleagram and IS-NMF2D for Blind Source Separation by bin gao

This is a demo code for single channel audio source separation (signal processing, matlab, audio processing)

is_nmf2D_em.m

is_nmf2D_mu.m

cochleagram(r, winLength)

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updated 26 days ago

Adaptive Filtering by Paulo S. R. Diniz

MATLAB files to implement all Adaptive Filtering Algorithms in this book. (adaptive filtering, echo, signal processing)

Affine_projection(desired,input,S)

Affine_projectionCM(input,S)

CMA(input,S)

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updated 1 month ago

LTE PDSCH by Hiren Gami

A special case of LTE PDSCH frame simulation at 1.4MHz bandwidth (lte, 4g, pdsch)

LTE_load_parameters.m

LTE_common_gen_Synchronization_Signal.m

LTE_Ref_and_Sync_signal_generation(N_subframes)

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updated 1 month ago

Optical Communication systems (SoftTDM 2012a) by David Steckler

Upgrade and improvement of optical communications blocksets. (telecommunications, protocols, sdh)

PruebaFibra.m

Acerca_SoftTDM.m

SoftTDM02.m

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updated 1 month ago

Envelope Detector by Yogesh K Soniwal

Inputs: Fc, Fm, Ka. Output: Optimum Time Constant (envelope detection, communication, amplitude modulation)

EnvelopeDetection(Fm,Fc,Ka)

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updated 1 month ago

Viterbi Decoder by Yogesh K Soniwal

Encoding: Convolution Code Decoding: Viterbi (Add-Compare-Select) (communication, convolution code, viterbi algorithm)

prev_stage(curr_state,distance_prev,metric)

viterbi.m

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updated 1 month ago

Turbo Code by Yogesh K Soniwal

Encoding: RSC, Decoding: BCJR (turbo code, awgn, rsc encoder)

alpha_1(GAMMA,N)

beta_1(GAMMA,N)

gamma_1(Apriori,N,Input_matrix,Parity_bit_matrix,R0,R1,SNR)

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updated 1 month ago

SpriteKit Framework by Steve McClure

Framework for designing animated and interactive Sprites and gameplay (sprite, game, graphics)

Physics.hasCollision(sprite1,sprite2)

demo1

demo2

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updated 2 months ago

PCMGUI(varargin) by ABHILASH SINGH

PCM using GRAPHICAL USER INTERFACE (signal processing, communications)

PCMGUI(varargin)

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updated 4 months ago

ComplexEnv_RealOnCarrier_ComplexEnv.zip by Wes Brodsky

Complex Envelope <--> Real on Carrier (complex envelopebandp..., complex envelope, bandpass signal)

ComplexEnvelope_to_RealonCarrier( ComplexEnvelope, Fs_CE,...

RealonCarrier_to_ComplexEnvelope( Real_on_Carrier, Fs_R, ...

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updated 5 months ago

MATLAB GUI for Arduino LED blinking by Rishabh Thareja

This GUI is used to toggle LED connected to pin 13 of Arduino uno (arduino, communications, matlab)

LED_blink_arduino(varargin)

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updated 8 months ago

LTE Cell Search (from A/D samples to PBCH MIB decoding) by Xianjun Jiao

Decode TDD/FDD LTE PBCH MIB message from 1.92Msps A/D samples. (lte tdlte sdrsoftware...)

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updated 8 months ago

DSSS_Jamming_TRC_April-2014.zip by Toufiqur Rahman Chowdhury

Simulation and analysis of DSSS & QPSK with Single Tone Jamming function (dsss, qpsk modulation, single tone jamming)

[bit_errs_qpsk,bitout1,bitout2,ycfo1,ycfo2]=QPSK_Demodula...

[bit_errs_ss,i_out,q_out]=Despreade_Sequence(tiq,sumiq,cs...

[data,data2,Isymbols,Qsymbols]=QPSK_IQ_input_data(N,debub...

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updated 9 months ago

SwarmFish - The Artificial Fish Swarm Algorithm by Leo Chen

SwarmFish - The Artificial Fish Swarm Algorithm Simulation Tool (swarmfish, swarmslab, sgalab)

SGA_FITNESS_function.m

SwarmFish_demo_MO_NSGAII.m

SwarmFish_demo_SO_std.m

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updated 11 months ago

rtl-sdr: multi-dongles based flexible spectrum scanner by Xianjun Jiao

Multi-dongles scanner with configurable parameters: start-end frequency, RBW, num of dongles, etc. (rtlsdr, software defined radi..., spectrum scanner)

raw2iq(a)

set_freq_tcp(tcp_obj, freq)

set_gain_tcp(tcp_obj, gain)

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updated 11 months ago

rtl-sdr: multi-dongles based GSM FCCH scanner by Xianjun Jiao

Multi-dongles parallel GSM FCCH scanner to help you find GSM broadcasting carrier quickly! (rtlsdr, rtl_tcp, gsm)

FCCH_coarse_position(s, decimation_ratio)

move_fft_snr_runtime_avg(s, mv_len, fft_len, th)

raw2iq(a)

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updated 1 year ago

Arithmetic Encoding/Decoding by Andrea Cannella

Arithmetic Encoding/Decoding using Matlab (arthmetic, encoding, coding)

aritmeticadec(code, symtable, m, n)

aritmeticaenc(matrix)

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updated 1 year 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 1 year 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 1 year ago

Traveling Wave Antenna Design by Florian D L Peters

A simple tool to design Traveling Wave Slot Antennas (GUI) (communications, gui)

Cinterp(length)

CompNodes.m

GUI()

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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 1 year ago

Técnicas de Sincronismo para Sistemas de Comunicação Sem-Fio OFDM by Filipe Rodrigues

Implementa as técnicas de sincronismo do STO e do CFO para um sistema baseado no padrão WiMAX. (sto, cfo, wimax)

CFO_CP.m

CFO_Moose.m

CFO_Schmidl_Cox.m

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updated almost 2 years ago

Model-in-the-Loop for Embedded System Test (MiLEST) preliminary version by Justyna Zander

This is a draft preliminary version of the MiLEST Framework for eduction purpose. (automotive, control design, demo)

Mask_Shut_off(varargin)

ReqName_callback(block)

ReqName_callback(block)

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updated almost 2 years ago

MATLAB EXPO 2012 JAPAN A3 session by Ryuhei Funada

MATLAB code presented in MATLAB EXPO 2012 JAPAN A3 session (communications)

...

[nStartFlg,wrappedPctFlg,varChrCl]=...

[prmNameCl,prmValsCl,iStartReadline,iEndReadline]=...

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updated almost 2 years ago

LDPC Convolutional Codes by Bagawan Nugroho

LDPC Convolutional codes simulation platform (ldpc, communications, error control coding)

decodeLdpccc(rx, baseHT, T, N0, iteration)

encodeLdpccc(u, T, HT)

makeBaseLdpccc(N, numOfOne)

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updated 2 years ago

Raptor and Fountain Codes by Roee Diamant

Implementation of both Reed-Solomon-based Raptor and (LT and Matrix) Fountain codes. (communications)

DecodeFountainLT(G, Code, Base)

EncodeFountain(G, msg, Base)

GenerateG(K, N, ColTH, TryNum)

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updated 2 years ago

IQ Baseband Builder by Neil Forcier

This application allows you to generate IQ baseband signals for the Agilent 33522A, 33522B, 33512B (iq, qam, wireless communicatio...)

IQ_Baseband_Builder.m

addWGNoise(yData, EbNo, nsamp,M)

ampImbalance(Ia, x)

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updated 2 years ago

SCOPE: interactively tabulate SEER excel variables by Rex Cheung

This takes SEER excel column data interactively, tabulate them, write back in table format. (data import, data export, optimization)

output=xls2tabulate2xls(xlsfilename)

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updated 2 years ago

getTEKtrace by Micke

Retrives single trace from most Tektronix scopes over GPIB tested with TDS 3k and 784A and HP-54120B (gpib, instrument driver, data import)

Data=getTEKtrace(GPIB,CHstring)

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updated 2 years ago

pskdemodXOR by Damith Senaratne

Implements a demodulator object for M-PSK physical layer network coding. (demodulator, mpsk, psk)

pskdemodXOR

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updated 2 years ago

deb by Thiago Oliveira

Functions that returns db (convertion, db)

deb( x )

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updated 2 years ago

Simulation of an OFDM system with the PSD by Montadar Taher

This is an OFDM simulation that gives you the PAPR, BER, and the PSD before and after the SSPA. (ofdm, papr, ber of ofdm)

[PAPR_db]=papr2(x)

[nozs zs]=zpp(s, N)

[numberOfSymbols numberOfZeros symbols]=v2syms(data,N)

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updated 3 years ago

LTE Downlink Physical Channel processing by Amit Kansal

PDSCH processing using multi-codeword spatial multiplexing transmission (wireless communicatio..., lte, spatial multiplexing)

getFigRxStreams(nStr, type)

lteCellSRefSigGen(nS, numAP)

scrambleLTEPDSCH(u, nS, q)

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updated 3 years ago

GPS Receiver using Xilinx FPGA and TI DSP by Dick Benson

These model files move from a system level GPS receiver channel to actual operating hardware. (gps, tracking, timing)

ca=ca_fpga;

example_sel2html(fn,new)

GPS_Capture.m

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updated 3 years ago

Channel Capacity with QAM inputs by Yueqian

Channel Capacity with QAM inputs (communications, qam)

QAMCapacity(SNR,fading,QAMsize)

PlotAndSave.m

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updated 3 years ago

cofdm simulator by apurva gupta

Simulate BER vs. Eb/No(db) for different types of modulations,coding and interleaving. (coding theory, information theory, bpsk)

final_simulator(varargin)

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updated 3 years ago

Path Loss Models for Urban areas by Mansi Subhedar

The Propagation models are demonstrated corresponding to macro cellular environments. (communications, mobile communication, path loss models)

URBANPATHLOSSMODELS(varargin)

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updated 3 years ago

Study of AM Modulation and Demodulation by Gajanan Birajdar

This demo helps to study and analyze AM MOD and DEMOD. (communications)

AMModDemod_Demo(varargin)

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updated almost 4 years ago

reed solomon code by ahmed shehab

everything about RS generation and generation polynomial and encoding and syndrome (communications, help)

A=add(a,b,Y);

E=encoder(I,G,Y);

G=GP(E,Y)

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updated 4 years ago

MSK modulation and Demodulation by Deepak Kumar Rout

Programs for minimum shift keying modulation and demodulation (msk, modulation, demodulation)

[ output_matrix ] =column_to_row( input_matrix )

[bit_stream ] =msk_demod( signal_ip,frequency,Tb)

msk_mod( bit_stream,frequency,Tb,Eb )

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updated 4 years ago

phase shift keying function by Deepak Kumar Rout

functions here return you the envelope of the signal there is option for frequency and power input (psk, phase shift keying, digital modulation)

[ output_matrix ] =column_to_row( input_matrix )

psk_demod( psk_signal,frequency )

psk_op(binary_data_input,carrier_frequency,signal_power)

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updated 4 years ago

EXIT chart computation by Bogdan Cristea

Matlab class implementing several methods for the computation of EXIT charts. (exit charts, turbo receivers, siso modules)

EXIT

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updated 4 years ago

gfnull by Mark Wilde

simple routine to find the null space of a matrix over gf (2) (galois field, null space)

gfnull(A,how)

gfrref(A,tol)

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updated 4 years ago

Compare with hand coding and auto code generation of HDL by Akemi

You can confirm difference betwwen hand writing code and auto generation code. (aerospace, automotive, communications)

CommSys_DS_MS_cntl

CommSys_DS_cntl

FRAME_SYNC_cntl

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