You’re right; the following syntax is the least ambiguous for creating Blackmanharris windows in c++:
const std::vector< float > fft_window = gr::filter::firdes::window(gr::filter::firdes::WIN_BLACKMAN_HARRIS, 1024, NULL); Sincerely, Tommy James Tracy II Ph.D Student High Performance Low Power Lab University of Virginia Phone: 913-775-2241 On Nov 1, 2013, at 6:04 AM, Alexandru Csete <oz9...@gmail.com> wrote: > On Fri, Nov 1, 2013 at 6:16 AM, Tommy Tracy II <tj...@virginia.edu> wrote: >> Thanks a lot. I do have a question about the 6.67 that you pass to the >> gr::firdes::window(gr::filter::firdes::WIN_BLACKMAN_HARRIS, SIZE, 6.67); >> >> What is the importance of this value? Is this the default BETA? I found that >> when creating a BLACKMANHARRIS window in python and c++, I got two different >> results. > > If I recall correctly that parameter is only used for the Kaiser > window and not for the others. > > Alex
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