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Envelope

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This function begins by deducing the wavelength of the signal's primary Fourier component. It then smooths the signal using a moving-window average -- the window is roughly top hat, of size equal to the primary wavelength. For 2-D data it will perform this function on each column of data, using the primary wavelength of the central column throughout.

The only input is the oscillating field. This method works remarkably well in obtaining the laser field envelope from the particle-in-cell simulations I have tested it on (see screenshot).

A possible extension would be to adapt it for a signal with a time-dependent frequency, by implementing a window of position-dependent size.

Free download from Shareware Connection - This function begins by deducing the wavelength of the signal's primary Fourier component

Publisher: Svetoslav Bajlekov | License: Freeware | Price: 0.00
Version: 1.0 | Size: 10 KB | Platform: Matlab, Scripts
Released Date: 22-04-2013 | Rating: 0 | Title: Envelope

Author Url: http://www.mathworks.com
Program Info Url: http://www.mathworks.com
Download Url: http://www.mathworks.com/matlabcentral/fx_files/23769/1/envelope.zip

More downloads from Envelope publisher Svetoslav Bajlekov:

Signal Envelope Generator - This is intended as a simple tool that allows the generation of arbitrary envelopes: either for signals or other time-dependent phenomena

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Shareware Connection periodically updates pricing and software information of 'Envelope' from company source 'Svetoslav Bajlekov' , so some information may be slightly out-of-date. You should confirm all information before relying on it. Software piracy is theft,  Using 'Envelope' crack, password, serial numbers, registration codes, key generators is illegal and prevent future development of Envelope.

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