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Listing of Communication in Scripts

Run demo file included. Double to fixed-point conversion with setting options like word length, signed/unsigned, automatic or manual scaling, guard bits....

  • Publisher: Gilles
  • Date: 14-04-2013
  • Size: 10 KB
  • Platform: Matlab, Scripts

LC_FAST calculates how many times a given input signal crosses a set of levels. It is much faster than traditional algorithms being designed to handle big datasets..

  • Platform: Matlab, Scripts

WebLogger is a php-based application designed to help Amateur Radio operators log radio traffic. WebLogger targets traffic related to community and public service such as skywarn, assisting in natural disasters and other emergency situations. WebLogger is written in PHP and uses MySQL on the back end to store information.

  • Platform: PHP, Scripts

Arithmetic coding and decoding for Text Compression.

  • Platform: Matlab, Scripts

This function deconvolves one extremely large vector out of another extremely large vector very quickly. Enormous gains in speed are due to the use of two fft's and an ifft. To find out how to use this program, put it in you 'work' folder and type "help fdeconv".

  • Platform: Matlab, Scripts

Only in very simple situations can we describe the correlation between two time series as a single number. Often it varies both as a function of time, and of wavelength. Datasets may be uncorrelated on short timescales due to noise, but strongly correlated on larger wavelengths (eg annual).

  • Platform: Matlab, Scripts

This program places dates on time axis as DATETICK and works with ZOOM and PAN as DATETICKZOOM by Christophe Lauwerys. But, it also shows the full date after zooming or panning by using the ticks and time-axis label. So, if you zoom in down to second, you won't loose "when" you are.

  • Platform: Matlab, Scripts

Implementation of Kirsch operator on an Image, and also the output of Canny operator in comparison. You must set the threshold for the Kirsch Operator before it you run the program.

  • Platform: Matlab, Scripts

this code on not finished, but almost 80% done, the code based on the study of : --------------------------------------- "Performance Analysis of Downlink Power Control in CDMA Systems" Soumya Das, Sachin Ganu, Natalia Rivera, Ritabrata Roy email: fsoumya, sachin, nrivera, ritog@winlab.

  • Platform: Matlab, Scripts

These are MATLABā„¢ and Simulinkā„¢ demos that goes with the "Introduction to Simulink for Signal Processing "seminar. Download, and unzip the zip file, and CD into that folder. Instructions: Run ANC_menu.m file from your MATLAB command prompt to open the HTML menu from which one can access all the demos in the right order.

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

An ADCARRAY object usually contains a memmapfile object, together with a scale and offset to convert the values stored on disc (and pointed to by the memmapfile object) to real world numbers which are returned as double precision. These can also be transformed by a function pointed to by a handle stored in the ADCARRAY object.

  • 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 tutorial starts with a simple conceptual model of an analog Phase-Locked Loop (PLL). Through elaboration it ends at a model of an all digital and fixed-point phase-locked loop. The final model can serve a starting point for code generation (both ANSI C or synthesizable HDL).

  • Platform: Matlab, Scripts

Pitch determination and voice quality analysis using subharmonic-to-harmonic ratio. There are also some post-processing routines available, such as de-step filter, median filter, and linear filter. For more information, please see http://www.speakingx.

  • Platform: Matlab, Scripts

This is a simple method for silence removal and segmentation of audio streams that contain speech. The method is based in two simple audio features (signal energy and spectral centroid). As long as the feature sequences are extracted, as thresholding approach is applied on those sequence, in order to detect the speech segments.

  • Platform: Matlab, Scripts

Everything was started some years ago - and the previous version was born 10x to dr. Ilia Iliev, technical University - Sofia and the modification of function "xcorr.m" by R. Losada included in the MATLAB 6.15 package. Unfortunately, I've erased the previous version by mistake so I am uploading again the new version.

  • Platform: Matlab, Scripts

Walsh-Hadamard codes are mutually orthognal codes, thus when used in synchronous CDMA, the interference between users is zero. This programm generates Walsh-Hadamard codes and also checks the orthogonality. You can change the code length by changing value of "code_length" at the top of program an optimized version of the same code provided by Imran Ali.

  • Platform: Matlab, Scripts

With this program you can smooth your data automatically only by selecting the area to be smoothed with 2 clicks. Then INTERP1 is used to smooth. The operation is repeated until you press ENTER. Many other options are available. Like the use of BEZIER curves.

  • Platform: Matlab, Scripts

OFDM is considered the strongest candidate (if not the only) for the coming 4G technology, here i present a simulation that helps to fully understand the generation,transmission and reception of an ofdm signal, but without showing the channel noise or the HPA effects for simplification purpose.

  • Platform: Matlab, Scripts

There are two models in this submission. 1. trafficpatterns - a simple model of vehicular traffic on four roads all leading to an intersection controlled by a traffic light. It turns green for each of the four paths with specified durations. Tweak the traffic light durations to study how much traffic builds up on the different paths.

  • Platform: Matlab, Scripts

This zip file contains two functions: STR2BIN converts an ASCII text string to a vector of binary values, and BIN2STR converts a vector of binary values back to an ASCII text string..

  • Platform: Matlab, Scripts

Just launch it like >> uisignalbuilder() I heavily relied on GridBagLayout (cf. Acknowledgements) to position controls on the figure. Have a look at this other submission, it might save you a great deal of time when designing GUIs manually!.

  • Platform: Matlab, Scripts

3D Array Factor of a 4x4 planar array antenna calculated using general formulas and then plotted in 3D format. "AB" shows the excitation amplitude of the elements and "AB_phase" shows their phases. Elements are placed on the x and y axis and element factor is ignored.

  • 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

This model uses the NLMS adaptive filtering algorithm to suppress additive noise. It does not require a reference noise signal. However, the noise should be such that the auto-correlation of the noise be close to zero for some lag greater than a certain number.

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

UDP packets are used to send data from one computer to another over a network or from one application to another within a single computer. The py_udp programs enable Matlab to send and/or receive UDP packets. One Matlab session can communicate with another Matlab session (on the same machine or over the network) or it can communicate with a completely different program (again, on the same machine or over the network).

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

The RAWT is an amateur radio tool special designed for the web. It provides a set of tools useful for radio-amateurs. The tools run as client-server programs, and have all the same "look-and-feel". The server runs a webserver (apache) and a database (currently, only postgreSQL is supported).

  • Platform: PHP, Scripts

Shows graphically the various stages of discrete convolution for any two 1-D signals. This is for educational purposes really so the screens are optimized for signals of a few samples. Between two stages the figure pauses and requires the user to strike a key to continue.

  • Platform: Matlab, Scripts

You can find the description at: http://www.advancedmcode.org/surface-recos...l-fretting.html For those who wants more, a free-ware toolbox for surface recon is available here: http://www.advancedmcode.org/a-freeware-to...nstruction.html.

  • Platform: Matlab, Scripts

Fast Algorithm estimating the number of sinusoids in a white Gaussian noise. This algorithm use a sub-space method based on chi-square statistics of eigen values of the Autocorrelation Matrix. Example : clear, close all hidden N = 512; L_vrai = 4; fe = 2000; F = (0:(fe/2)/(N/2-1):(fe/2)); snr = [-10 -10 -10 -10]; f = [25 230 500 780]; n = 32; prob = 0.

  • Platform: Matlab, Scripts

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