Re: [Discuss-gnuradio] GNU Radio Beacon Receiver, announcement

2008-09-06 Thread Mamoru Yamamoto
Juha Vierinen, Colleagues, I listed information of beacon channels and satellite parameters on the following web page. http://www.rish.kyoto-u.ac.jp/digitalbeacon/sub2.html Mamoru Yamamoto Research Institute for Sustainable Humanosphere (RISH) Kyoto University [EMAIL PROTECTED] >On Thu,

Re: [Discuss-gnuradio] a question about oscope GUI

2008-09-06 Thread Josh Blum
Yes, when the oscope is given a complex signal, the I and Q components of the complex signal are represented as channel 1 and channel 2. You can also switch the scope to XY mode and view your complex signal as a constellation plot. This is valid for both the old and the new gl scope plotter.

[Discuss-gnuradio] a question about oscope GUI

2008-09-06 Thread Pu, Di
Hi, I was wondering if the "ch1" and "ch2" in the O'scope GUI (when you run ./usrp_oscope.py) represent the I and Q of a complex signal. Please let me know. Thank you very much! Sincerely, Di ___ Discuss-gnuradio mailing list Discuss-gnuradio@gnu.or

Re: RFID using LFTX/LFRX (Was [Discuss-gnuradio] GNU Radio mention in DEFCON subway presentation)

2008-09-06 Thread ChoJin
On Aug 16, 2008, at 10:52 PM, Michael Ossmann wrote: On Sat, Aug 16, 2008 at 08:44:56PM +0200, [EMAIL PROTECTED] wrote: As far as I understand, passive RFIDs communicate backs to the reader by consuming more or less power from the incoming radio wave (please correct me if I'm wrong). How o

[Discuss-gnuradio] question about data using read_comple_binary.m

2008-09-06 Thread James Park
Hi, I add self.file_sink to benchmark_ofdm_tx.py self.file_sink = gr.file_sink(gr.sizeof_gr_complex, "filename.dat") welf.connect(sef.txpath, self.file_sink) and looked at the data with read_complex_binary.m However I am confused with units of x and y axis. for exameple, if I get 2.5e6 for total

[Discuss-gnuradio] where can I implement MAC protocol?

2008-09-06 Thread 董超
Hi all, I want to construct an Ad Hoc networks using multiple USRP boards, but can I implement MAC protocol (such as CSMA or TDMA) in the FPGA on the USRP board or in the host PC? Thanks! DONG Chao ___ Discuss-gnuradio mailing list Discuss-gn

Re: [Discuss-gnuradio] GNU-Radio GUI applications freeze

2008-09-06 Thread Raul Siles
Hello Eric, The computer is a laptop with a Pentium 4 CPU and 1GB of RAM (only 350MB are used). When any of the GNU Radio GUI tools is launched, the associated python process goes up to near 100% CPU usage. # cat /proc/cpuinfo processor : 0 vendor_id : GenuineIntel cpu family : 15