> > Hello Marcus thanks for your reply.. Well the problem is there is not much > documentation available on internet on usurp .. Also I am quite new to gnu > radio and usrp1 ... I tried to play with interpolation and decimation > settings but didnot get the desired ofdm signal .. I am not sure what else I > can do to fix this problem . If u know any documentation regarding that > please do let me know . U mentioned about UHd but I could not find any UHd > blocks in gnu radio .. As I saw in one example someone use UHd .. Iam using > Ubuntu 10.10 and gnu radio companion 3.2.2 version .. I will really > appreciate if u can guide me how to setup the settings or specs i need for > usrp 1 .. Thanks and regards... > > Try using:
http://www.sbrac.org/files/build-gnuradio On your Ubuntu platform. It will build and install everything required for a modern UHD-supporting Gnu Radio environment. While I agree that documentation is sparse, the problems with your flow-graph indicate to me problems at a conceptual level. Have you looked at the GRC Tutorials? www.csun.edu/~skatz/katzpage/sdr_project/sdr/grc_*tutorial*1.pdf Also: http://gnuradio.org/redmine/projects/gnuradio/wiki/Tutorials And: http://gnuradio.org/redmine/projects/gnuradio/wiki/HowToUse And: http://gnuradio.org/redmine/projects/gnuradio/wiki/GNURadioCompanion And: http://gnuradio.org/redmine/projects/gnuradio/wiki/TutorialsWritePythonApplications But if you don't really have a clear notion of what interpolation and decimation are all about, none of the above will be of much help. You need a basic introduction to Digital Signal Processing, and going down the Gnu Radio path isn't a substitute for such background. -- Principal Investigator Shirleys Bay Radio Astronomy Consortium http://www.sbrac.org
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