101. SDTools FEMLink Page Provides bidirectional interfaces with a number of finite element file formats. http://www.sdtools.com/femlink.html

102. Easyspec: A Spectrum-analyzer Like Plotter For MATLAB A small spectrum-analyzer like plotter. http://www.billauer.co.il/easyspec.html

Home CV CV (hebrew) FPGA Editor ... hitec (LaTeX) easyspec peakdet FIFO tricks Optical simulator HTML highlighting ... Tech blog easyspec: A spectrum-analyzer like plotter for MATLAB I'm using MATLAB since about 1992. One of the things that I've always missed, as a communication engineer, is a quick and dirty spectrum plot of signals. I want to see what the spectrum analyzer will show me when I'll run the signal through it, and not some analytic plot, which looks nothing like. The "easyspec" MATLAB function does exactly that. Using this function on a time signal has the feel of plugging in a spectrum analyzer: You get some simple, concise image (scaled in dBs, for us engineers), which is as reliable as if you measured the signal. Meaning, that if the signal is not stationary (choose whatever sense you want for "stationary") you may want to re-run the function to see if you get the same result. Let's try a simple session (you'll need to copy the "easyspec" function from the bottom of this page and put it in your working directory or a directory in the MATLAB search path): >> t=0:1/44100:10; >> s=0.25*sin(2*pi*440*t) + sin(2*pi*1000*t) + randn(1,441001); >> easyspec(s, 44100);

103. - Advanced Source Code . Com Source code for signal processing, image processing, and biometric recognition. http://www.advancedsourcecode.com

104. XTargets Consulting services and online tutorials for MATLAB, Simulink, and Real-Time Workshop. http://xtargets.com/

105. MPEG For Matlab MPEG compression algorithms for audio. http://www.petitcolas.net/fabien/software/mpeg/

Fabien Petitcolas mpeg for matlab When we started looking at MPEG compression algorithms for audio we tried to find an implementation for MATLAB . Unfortunately it seems that nothing is available apart some libraries written in C and that one can call from MATLAB. This is one of the reasons why I decided to make my own implementation of the psychoacoustic model. Only psychoacoustic model 1 (see Davis Pan, A tutorial on MPEG audio compression, IEEE multimedia magazine, vol. 2, no. 2, pp. 60–74, Summer 1995) for layer I is available. During the implementation I have tried to stick as much as possible to the ISO/IEC 11172-3:1993 standard. The code contains a lot of comments and graphs can be drawn at any step of the process; this should help to understand how MPEG compression works. Additional documents are available online. It has not been optimised for speed but rather for understanding. Download: MPEG for MATLAB 5 version 1.2.8 (last update: 11 August 2003) Don’t forget to let me know your suggestions, comments and improvements: fabien@petitcolas.net

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