Btw, I am using Ubuntu 18.04 On Wed, Apr 7, 2021 at 11:39 PM Clark Chiu <clark...@gmail.com> wrote:
> Hi Marcus, > > I am using 3.9 for the GNU Radio. I ran the example from the latest master > branch of github. I see from the CHANGELOG.md it should be the same 3.9 > right? > Thanks. > > Best regards, > Kuan-lin > > On Wed, Apr 7, 2021 at 7:12 PM Marcus Müller <muel...@kit.edu> wrote: > >> Hi Clark, >> >> which version of GNU Radio are you using, and is the folder from which >> you're taking these >> examples from the same version? >> >> Thank you for your answer! >> Marcus >> >> On 07.04.21 23:35, Clark Chiu wrote: >> > Hello, >> > >> > I am new to GNU Radio and I am trying to understand more by checking >> the fm_rx and fm_tx >> > examples in the gnuradio/gr-analog/examples folder. I open these two >> grc files from the >> > GNU Radio Companion. Out of box, there is an error message in Polyphase >> Arbitrary >> > Resampler saying Expression None is invalid for type `real_vector` of >> parameter `Taps`. I >> > tried to google around the forum and the internet but I couldn't find >> anything useful to >> > fix this. I doubt it has something to do with the last parameter >> "window.WIN_KAISER" but I >> > am not sure. >> > >> > Could anyone give me some pointers? >> > Thank you in advance. >> > >> > >> > Best regards, >> > Clark >> >>