El Miércoles, 2 de Septiembre de 2009, Jonny Taylor escribió: ... > I feel that because of this > specific form there ought to be some sort of shortcut or special > technique that could separate out the "carrier wave", so that > effectively all that needs to be sampled is the slowly-varying > envelope. Can anyone suggest a suitable technique that I could use for > this? (ideally one implemented in GSL, but I can code it up from > scratch if required). Someone suggested to me that some sort of trick > involving fourier transforms might help, but I haven't really got > anywhere with that as yet. >
upps...sorry for he last post. You could try splitting the exponential and the function in its real and imaginary part and using sin and cos as weight functions. http://www.gnu.org/software/gsl/manual/html_node/QAWO-adaptive-integration-for-oscillatory-functions.html > Thanks in advance for any suggestions > Jonny > > > > _______________________________________________ > Help-gsl mailing list > [email protected] > http://lists.gnu.org/mailman/listinfo/help-gsl _______________________________________________ Help-gsl mailing list [email protected] http://lists.gnu.org/mailman/listinfo/help-gsl
