The vector sink has an averaging option, is that on? M On 03.09.2015 02:25, gnura...@simonbiehl.de wrote: > Dear all, > > I built an angle-of-arrival system using four Ettus USRP2. I'm facing a > problem when trying to display a vector containing the calculated > MUSIC-Spectrum using a “QT GUI Vector Sink”. The vector sink won't > display any data for the first two minutes, and then it is starting to > show very old values. When I use the block “Vector to Stream” and a > simple “QT GUI Time Sink” instead, the values are displayed immediately > without delay. > > The block “music_cf” feeding the vector sink is a sync_decimator, > generating one vector of 181 elements for every 1000 input samples. I've > provided a shortened version of my c++ code in the attachment, without > the actual mathematics. > > What could be the reason for this huge delay when using the “QT GUI > Vector Sink”? Is it a buffering problem? > > Best regards, > Simon > > Block Diagram: > http://fs1.directupload.net/images/150903/7cnqbzup.png > > > _______________________________________________ > Discuss-gnuradio mailing list > Discuss-gnuradio@gnu.org > https://lists.gnu.org/mailman/listinfo/discuss-gnuradio >
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