hi,Eric! I have tested the usrp_siggen.py ,it works well.and I set the interpolate in my module to 128,it works too.so it seems my pc can only stand with 2 M speed ,but why the C++ program woks too? thanks a lot<br><br>在2010-05-29 04:44:57，"Eric Blossom" <e...@comsec.com> 写道： >On Fri, May 28, 2010 at 10:33:56AM +0800, weizhongshan wrote: >> thanks Eric >> I am sorry ,I will not do that again .but would you please help me figure >> out this problem. as I mentioned the USB speed is not a problem.and i have >> another C++ problem test_usrp ,it's a one channel receiver , the decim is >> set to 8.and it does work without any trouble .so i think my pc can keep up >> with the speed<br><br>在2010-05-28 02:35:37，"Eric Blossom" <e...@comsec.com> >> 写道： >> >On Thu, May 27, 2010 at 05:29:56PM +0800, weizhongshan wrote: >> >> hello everyone ,I want to use the fm_tx_2_daughters.py as a template to >> >> realize my own module ,so I copy it to my own folder. >> >> but when I set the interpolate to 64 and test the copy module ,"uU" >> >> appears.then I run the usrp_benchmark_usb.py,the result shows "Max >> >> USB/USRP throughput = 32MB/sec".I wonder the "uU" appears >> >> thanks forward<br><br>在2010-05-27 >> >> 00:00:43，discuss-gnuradio-requ...@gnu.org 写道： > >Does usrp_siggen.py work for you? > >Eric > > >> >Perhaps your machine can't keep up? >> >uU is "USRP Underrun". You failed to send it samples fast enough. >> > >> >[Also, please don't top-post in general, and never top post on top of >> >the digest. Pick a relevant subject, trim all unnecessary text from >> >anything you're replying to. If you're starting a new thread, don't >> >start by replying to an existing (non-relevant) thread. >> > >> >See also: >> > >> > http://gnuradio.org/redmine/wiki/gnuradio/ReportingErrors >> > >> >Eric >>
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