Hey Lou, That's a very interesting approach, I'll look into your example as well. Thank you very much!
Best, Ali On Wed, Mar 11, 2015 at 4:39 PM, madengr <rfeng...@me.com> wrote: > You can also use probes to bring out the data asynchronously from the flow > which you can then process in Python. For example, you could probe at a 10 > Hz rate, then have your Python script log those values to a file, or > trigger > some other event. I have an example here where it probes the signal level > every second and logs it with GPS data: > > https://github.com/madengr/drive_test > > Lou > > > > Ali Riaz wrote > > Hello everyone, > > > > So I was trying to capture continuous IQ data from my USRP N200, and this > > needs to be done for about a week, but because the amount of data is > > ginormous, that's doesn't seem feasible at all. Instead, what I'm now > > thinking of doing is processing the data in gnuradio companion in real > > time > > and just extracting certain parameters from the processed data, for > > instance, I would like to detect if there's a signal present or not, at > > what time was the signal detected, what's the maximum amplitude of the > > signal, how long did the signal last etc, and just store those pieces of > > information in a file. > > > > Are there any pre-existing blocks that I may use for this purpose? If > not, > > can someone please guide me as to how to accomplish this task? > > > > This is what my flow graph looks like at the moment: > > http://imgur.com/a/O2gXi > > > > Thank you, > > > > Best, > > Ali > > > > _______________________________________________ > > Discuss-gnuradio mailing list > > > Discuss-gnuradio@ > > > https://lists.gnu.org/mailman/listinfo/discuss-gnuradio > > > > > > -- > View this message in context: > http://gnuradio.4.n7.nabble.com/Extracting-and-storing-certain-parameters-from-continuous-IQ-data-tp52645p52647.html > Sent from the GnuRadio mailing list archive at Nabble.com. > > _______________________________________________ > Discuss-gnuradio mailing list > Discuss-gnuradio@gnu.org > https://lists.gnu.org/mailman/listinfo/discuss-gnuradio >
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