Dominik Auras wrote: > Hi! > > If I design filters, what gnuradio module do I prefer: > - optfir > - gr.firdes > ? > > It seems to me that you use gr.firdes in newer code, but optfir allows > me to specify more filter parameters. >
firdes creates windowed filters, and is always guaranteed to give you a working filter. optfir uses the Parks-McClellan algorithm, and can produce better filters. However, if you ask too much of it, it will fail, since the algorithm is not guaranteed to converge. Matt _______________________________________________ Discuss-gnuradio mailing list [email protected] http://lists.gnu.org/mailman/listinfo/discuss-gnuradio
