On Thu, Oct 15, 2015 at 7:54 AM, Marcus Müller <[email protected]> wrote:
> Hi Maksim, > > you're right, the raw sample data can't contain any sideband information > such as to what the USRP was tuned to. > Maybe you just want to use the "tag debug" block to print out the sample > offsets at which an rx_freq tag was seen, and parse that textual > information. > > Best regards, > Marcus > On 10/15/2015 12:13 PM, scott tiger wrote: > > Dear all, > I tried to implement the frequency hopping and I did it, But I have one > problem. After stored the signal in dat file and tried to separate the > frequencies in matlab "it is imposible to do that". > Can you tell me please if there is some block in GNUradio which can I use > to store the changing frequency to be comparable whith the received signal > to cut the received signal according to the generated frequency? > > > Thank you for any advice > Maksim > > I'd recommend the file mete sink: http://gnuradio.org/doc/doxygen/classgr_1_1blocks_1_1file__meta__sink.html You can read about the file metadata format here: http://gnuradio.org/doc/doxygen/page_metadata.html Tom
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