Using the attached grc to generate two flow-graphs: _a and _b.
_a appears to work fine, generating a single frequency tone and feeding the
output to the aud_junk file, the FFT display, and the audio_sink...a clear tone.
_b seems to work also...the same FFT display, but...no audible tone.
Thou
Hi,
I want to build a multiple input system with four incoming channels
based on USRP/USRP2. The incoming samples of these four channels must
be synchronized and feed into one computer. The center frequencies of
these four channels are different, but they are within the range of
the DBSRX daughter
Hi All,
I am confused of the Set_history() which is a function of gr_block, what is
the function of this function? thanks~~
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Yup - I tried all of the 'dumb mistake' things I could think of. Like
I said, I couldn't reproduce the error on another system. I'll dig
through things once I find time and see if I can't get to the source
of the issue.
I just wanted to mention it in case it comes up again in the near
future fro
Ben Hilburn wrote:
Hey all -
When building the most recent pull of the GNURadio tree on Ubuntu,
gr-pager fails to build with the following error:
--
make[5]: *** No rule to make target `/../lib/li
Using the attached grc to generate two fgs: _a and _b.
_a appears to work fine, generating a single frequency tone and feeding the
output to the aud_junk file, the FFT display, and the audio_sink...a clear tone.
_b seems to work also...the same FFT display, but...no audible tone.
Thoughts?
Ro
On 12/21/2009 03:31 PM, Jung Il Choi wrote:
Hi,
I am using ucla-zigbee stack for continuously transmitting a fixed
symbol (all zeroes) for 802.15.4.
I finally made it to work on USRP2 with RFX2400, but now my machine's
kernel freezes after 5~10 minutes (even no ping responses). Basically,
using
Hi,
I am using ucla-zigbee stack for continuously transmitting a fixed
symbol (all zeroes) for 802.15.4.
I finally made it to work on USRP2 with RFX2400, but now my machine's
kernel freezes after 5~10 minutes (even no ping responses). Basically,
using sig_source I generate a stream of a consta
Hi,
I observed that my XCVR2450s transmit/receive DC components at carrier. This
degradeS the synchronization and demodulation performance of OFDM signal.
Anyway of eliminate it?
Thanks in advance.
Hanwen
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Hey all -
When building the most recent pull of the GNURadio tree on Ubuntu,
gr-pager fails to build with the following error:
--
make[5]: *** No rule to make target `/../lib/libgnuradio-pager.la',
On 12/21/2009 05:08 AM, Mathias Coinchon wrote:
Hi,
I am using BasicTX daughterboard to generate a VHF signal around 228MHz.
For this a complex signal is generated at -28MHz leading normally to harmonic
components at
128MHz-28=100MHz
256-28MHz=228MHz (wanted signal)
384-28MHz=356MHz
However l
Hi Andreas - I can talk to one of your issues:
It doesn't built because all the makefile templates are called
Makefile.am and not Makefile.in. If I remember correctly this
depends on the autoconf tool versions. I'm using the ones which come
with MaOS X (autoconf 2.6, automake 1.10). Copying
I tried TX and RX at 2.437G and doesn't work. I've tested on another
802.11 channels but I obtain the same result. Also I've tried transmit
at 2 Mbps but it's worthless (RX still receives a bad header).
I'm using the cgran BBN code (usrp2_version), is the correct one?
I'll continue testing the co
Hi Folks,
I've built GNU Radio under MacOS X 10.6.2 today. It is way easier than when I
last tried under 10.4
I'm building it without "Fink" or "MacPorts" as I intend to make installer
packages for the dependency libraries so a dummy user can install it at the end.
The libraries I've built and
Here is another interesting presentation from the same conference (RFMTC09):
http://www.hig.se/filearchive/Centrumbildningar/Radiocentrum/RFMTC09/Dokument/1-2-Peter-Handel-slides.pdf
and their paper "Receiver I/Q Imbalance: Tone Test, Sensitivity Analysis, and
the Universal Software Radio Periphe
Hello All,
I'm trying manage a vector of 10528 bytes, I made a C++ routine and works
but, when I work with my routine in GNU Radio, It do really extrange things
and I don't know why. I try to explain:
My Routine in GNU is:
ex_scramb_ss::general_work (int noutput_items,
For the usrp_am_mw_rcv.py; if you have an USRP you should just be able to
run it and it will work, ie (may need to be in the right directory?):
python usrp_am_mw_rcv.py
As for making in GRC I am afraid I cannot help much since I never use it. It
shouldn't be to hard to pick up the level of python
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