Yes, there are several things that do something that I'd call "upsampling". However, often, people mean different things when they say "upsampling", so what are you mathematically referring to?
Regarding constellation sink: Well, just use the float-to-complex block and set the imaginary part to null. Best regards, Marcus On Thu, 2018-07-26 at 21:09 -0400, Linda20071 wrote: > Hi, > > I guess this is a very simple question: > > I am trying to build up something in gnuradio companion. I was wondering if > there is a upsampling module I could use at hand in gnuradio companion? > > Besides, for BPSK modulation, how should I set up the constellation sink > because it looks like it can only take in complex values. However, BPSK only > has one signal component. > > Thanks in advance! > _______________________________________________ > Discuss-gnuradio mailing list > Discuss-gnuradio@gnu.org > https://lists.gnu.org/mailman/listinfo/discuss-gnuradio
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