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Listing of Communication in Scripts

Building on the earlier norm2lzw and lzw2norm examples, these routines implement LZW compression/decompression. The table management has been rewritten for performance - both time and space, and fixed table sizes are implemented..

  • Platform: Matlab, Scripts

pblogan (Phone Box LOG ANalyzer) is a set of perl scripts that extract information from a Panasonic Phone Box via a serial port, and upload them to a Postgres Database which is queried by several php pages..

  • Platform: PHP, Scripts
  • Nonnan.m
  • License: Freeware
  • Price: 0.00
  • Rating

Ex: If x=[1 2 3 NaN 5] Statement: nonnan(x) Result: [1 2 3 5].

  • Platform: Matlab, Scripts

This package contains a set of functions for inferiential statistics using resampling methods. Data are organized into arrays so multiple tests can be run at once (up to one million test per second). The package supports bootstrap, permutation and parametric statistics using paired or unpaired t-test, or repeated measure ANOVA (one way and two ways).

  • Platform: Matlab, Scripts

Run "parrecreader.m" This program reads the native PAR/REC files, imports them to Matlab workspace and displays them. This is a stripped down version of code developed for MR Elastography purposes, but should be useful for other applications as well.

  • Publisher: Ramin
  • Date: 14-03-2013
  • Size: 1546 KB
  • Platform: Matlab, Scripts

This is a simulator made in my thesis work (I've shown in my thesis work, that CDMA can increase channel capacity). It can simulate a CDMA encoding and decoding process. The data is assumed to be travelled through a coaxial cable. the effect of coax and CDMA is considered.

  • Platform: Matlab, Scripts

Preprocessing of remote sensing images.

  • Publisher: ma yuan
  • Date: 14-03-2013
  • Size: 10 KB
  • Platform: Matlab, Scripts

Invisionix Systems' portable Instant Messenger (IRSIM) uses PHP and mySQL. This Open Source program interacts with ICQ, MSN, AIM, Yahoo and Jabber IMs. It features database message buffers, login, a contact list, and message input/output windows. Features: - Runs on various web browsers.

  • Platform: PHP, Scripts

m4aread provides a drop-in replacement for wavread when the audio files are compressed using MPEG4 audio (AAC or M4A) format. (Protected m4p files cannot be decoded, unfortunately.) All the work is done by the external "faad" binary, an open-source AAC decoder available for multiple platforms.

  • Publisher: Dan Ellis
  • Date: 14-03-2013
  • Size: 10 KB
  • Platform: Matlab, Scripts

Contains two functions. The one function computes the greatest common divisor (gcd) of two polynomials a(x) and b(x) over GF(2^m). The other function performs the extended Euclidean algorithm where two polynomials u(x) and v(x) is calculated in addition to the gcd of a(x) and b(x) such that gcd = u(x)a(x) + v(x)b(x).

  • Platform: Matlab, Scripts

The WCDMA Physical Layer Demo consists of an end-to-end (transmitter-to-receiver) simulation of the Frequency Division Duplex (FDD) Downlink physical layer for several Dedicated Channels (DCH) as specified by the 3GPP standard (Release 99). The current ZIP file includes three different models: channel coding, spreading and modulation and the complete physical layer.

  • Platform: Matlab, Scripts

PCSA is a frequency domain analysis technique that can be used to transform PSDs (as those in a spectrogram) to the form of a two-dimensional histogram with frequency-magnitude bins. PCSA can be used to examine the spectral characteristics of a long period of data.

  • Platform: Matlab, Scripts
  • haarmtx
  • License: Freeware
  • Price: 0.00
  • Rating

Used in image compression, the haar transform is an alternative to the DCT transformation. This file compute an n*n Haar matrix. (same use as "dctmtx").

  • Platform: Matlab, Scripts

STL_Import is a tool designed to import into MATLAB both binary and ASCII STL files. This script is mainly a collage between file exchange file id 22409 and 3642, plus some other features that can be considered new. SYNOPSIS: mode 1 (default) [p,t,tnorm]=STL_Import(filename,mode) mode 2 [v,tnorm])=STL_Import(filename,mode) input: filename: string representing the name of the file mode: mode=1 (if omitted is automatically set to one) set the the output to: output=[p,t,tnorm] where: <!--QuoteBegin--><!--QuoteEBegin--> p=points (unique) of the model nx3 array t=triangles indexes of the model tnorm= normals of triangles<!--spoiler_text_end--><!--/dp_spoiler--> mode=2 set the the output to: output=[v,tnorm] where: <!--QuoteBegin--><!--QuoteEBegin--> v= vertex (not unique points) of the model nx3 array.

  • Platform: Matlab, Scripts

The attached zip file contains the slides, MATLAB M-files, and Simulink models that were used in the Fixed-Point Programming in MATLAB webinar from December 8, 2005 by Tom Bryan. The recorded webinar is linked off of the Fixed-Point Toolbox web page <http://www.

  • Publisher: Tom Bryan
  • Date: 13-03-2013
  • Size: 1669 KB
  • Platform: Matlab, Scripts

Here is a time domain representation of modulated DSB, SSB waves. The spectral analysis is still no available.I hope to incorporate spectral part in next version..

  • Platform: Matlab, Scripts

Generate a turbo code, and decode the code iteratively using MAP detectors. Punctured and unpunctured turbo codes are implemented..

  • Publisher: In Soo Ahn
  • Date: 13-03-2013
  • Size: 31 KB
  • Platform: Matlab, Scripts

In this file there are two m-files.One is function and other is program. So during running the program save both file in same folder.First open the function rect ,then and run the ber_QAM file. You will get the required result. Here simulation is performed for 10,000 symbols in the presence of additive Gaussian noise at different values of SNR.

  • Platform: Matlab, Scripts

Show how to plot a Smith chart in Matlab. Show how to perform a 2 element match to 50 ohms termination using the Smith chart. Show that depending on the termination impedance that there is more than one combination of elements solving the problem..

  • Platform: Matlab, Scripts

Ethereal is a free software program that can record LAN traffic. The recorded data file shows time stamps, packet lengths, and header and data fields for every captured network packet. This program lets you extract selected header fields from a captured data file and write the fields into MATLAB arrays.

  • Platform: Matlab, Scripts
  • Biterror
  • License: Freeware
  • Price: 0.00
  • Rating

This is my first file here on file exchange. Improvements and comments are welcome. If you simulate a digital communication system there will be always some biterrors. Doing a XOR operation will result in the different bits. But how many single bit errors, double bit errors and so on are there ? Because I couldndlDLt find such a function in the simulink library I wrote it by myself.

  • Platform: Matlab, Scripts

This file contains MATLAB functions, m-files, that do Huffman coding and arithmetic coding of integer (symbol) sequences. Complete coding may be done by calling an easy to use main program (or main function), where input argument is the sequences you want to compress and the output is the compressed bitstream, as a vector of bytes.

  • Platform: Matlab, Scripts

The submission considers a case where you deduce what weather it is given the status of a shirt that is hung outside. The weather could be Sunny, cloudy, Rainy and the shirt could be dry, dryish, damp etc. Now given some probability matrices (The initial probability of the weather, the transition probability of the weather and the observation given weather matrices), can the chain of weather be deduced? The Viterbi algorithm is used to decode the states.

  • Platform: Matlab, Scripts

This demo shows a simple program on the video surveilance using MATLAB and some toolboxes. Features: 1. Run in 2 modes --> Monitoring and Playback 2. Users are allowed to change the threshold value and the snap counter for the decision on snapping the frame.

  • Platform: Matlab, Scripts

The Fourier Calculator (Simulink model) can be used for arbitrary signals. In this case the Wolfer sun spot data are analyzed.

  • Platform: Matlab, Scripts

function [P R]=Global_Moupfouma(Rzz1,ClimZone) Function implementing the Global Moupfouma model, As per Electronic Letters paper "Point Rainfall rate cumulative distribution valid at various locations" F. Moupfouma and L. Martin, EL, Vol.29, No.17, Aug.

  • Platform: Matlab, Scripts

This basic model shows you how to acquire live data from a Tektronix oscilloscope into Simulink. This model was developed for the Tektronix TDS 2012 oscilloscope but may work with other Tektronix scopes with little or no modifications. To view the results, double click on each "scope" block in the model to view the waveform acquired, then right click and select "Autoscale".

  • Platform: Matlab, Scripts

This file calculates BER for or a number of SNR values in Rayleigh Channel. Every BER value has been calculated for 100 errors for precision results. I hope script will help students..

  • Platform: Matlab, Scripts

These programs demonstrates different chaotic maps,bifurcations,hybrid chaotic maps,highly secure maps,auto correlations,cross correlations and their extreme sensitivity to initial conditions or bifurcation parameters..

  • Platform: Matlab, Scripts

This is an example of EKF..

  • Platform: Matlab, Scripts

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