Hi,
> From: Matt Ettus
>
>
> Jackson Labs Firefly:
>
> http://jackson-labs.com/
>
> Matt
Just an idea, if this device is recommended by you, can you offer it (with
cables and other needed staff) as a synchronization tool kit in Ettus sales so
it will be a one stop shop ?
Best regards,
, fun and pleasure.
Dear Matt,
What is important to us is to keep providing the SDR hardware at lowest
possible prices and keep developing your products. Congratulation again.
Best Regards,
Firas Abbas
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Hi,
Did you put a static IP address in your Ethernet?
Tip, put any dummy static IP address, and you will find your USRP2!!!
Best Regard,
Firas
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Hi,
> From: Matt Ettus
>
>
> Yes, you can do full duplex, but you should not connect the ports
> directly or you will blow out the receiver. There will be enough
> leakage that you can just put attenuators.
>
> Matt
Is USRP2 Antenna selection (TX/RX , RX2) works for the current firmware
Hi,
> From: Johnathan Corgan
>
> Due to size limitations, the support for the WBX and XCVR2450
> daughterboards has been separated into distinct firmware images.
>
> Johnathan Corgan
USRP2 RAM limitations? Or what limitations?
Best Regards,
Firas
__
Hi,
> From: Johnathan Corgan
> > > Due to size limitations, the support for the WBX and XCVR2450
> > > daughterboards has been separated into distinct firmware images.
> > >
> > > Johnathan Corgan
> >
> >
> > USRP2 RAM limitations? Or what limitations?
>
> Yes, the code store for the embedde
Hi,
> From: Jeff Brower
>
> Matt-
> We're working on a project at Signalogic to interface one of our DSP array
> PCIe cards to the USRP2. This would
?>provide a way for one or more TI DSPs to "insert" into the data flow and run
C/C++ code for low-latency
> and/or other high performance a
Hi,
> From: Jeff Brower
>
> Firas-
> A couple of brief comments:
> 1) Sounds like this was a
> high-speed data acq card, optimized for streaming, not an accelerator
> card. How big was the
> FIFO?
The FIFO was 64MByte.
> 2) On typical motherboards, PCIe
> connects to the same (or similar
Hi,
> From: Jeff Brower
> That's huge... and you mentioned a 64k block transfer, much smaller, but
> still more than 40 times a
> large Ethernet packet. It sounds to me like this particular card mfg
> was focused on very high rate streaming (without gaps or drops) and not on
> low-latency,
Hi.
What are the tools used to create the following Gnu Radio documents:
a) exploring-gnuradio.xml
b) usrp_guide.xml
c) gr-trellis.xml
Best Regards,
Firas
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Thank you Josh and Eric for the Responses
> From: Josh Blum
>
> I am afraid that the files look hand-written. You can misuse doxygen to make
> manuals by feeding it hand written xml. At least I think thats the case.
Whats I'm looking for is a new approach to generate both html and PDF
docu
Hi,
Replace all xxx.run with xxx.start() and put xxx.wait() followed by
xxx.stop() to stop the flowgraph
Best Regards,
Firas
- Original Message
> From: Andy_Long
> To: Discuss-gnuradio@gnu.org
> Sent: Thu, April 15, 2010 10:50:39 AM
> Subject: Re: re[Discuss-gnuradio] configu
Hi,
The xxx.stop() and xxx.wait() should be called after time.sleep(xxx)
see:
http://gnuradio.org/redmine/wiki/gnuradio/TutorialsWritePythonApplications
Best Regards,
Firas
- Original Message
> From: Andy_Long
> To: Discuss-gnuradio@gnu.org
> Sent: Fri, April 16, 2010 11:52:57 AM
- Original Message
> From: Thomas Tsou
> To: Johnathan Corgan ; GNURadio Discussion
> List
> Sent: Sat, April 24, 2010 4:33:23 AM
> Subject: [Discuss-gnuradio] git commit for previous releases
>
> Is it possible to find a git commit or svn revision number
corresponding to
> previous
Hi,
Use :
r = usrp.tune(self.subdev._which, self.subdev, target_freq)
instead of :
r = usrp.tune(self.u, 0, self.subdev, target_freq)
Regards,
Firas
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Hi,
> Brian T. Solan wrote:
> Do you mean to use the source_c tune method?I mean the 0 in your :
r = usrp.tune(self.u, 0, self.subdev, target_freq)
is wrong.
For side B, it should be 1 or use _which.
Regards,
Firas
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Hi,
If you want to use gnuradio in your sound work only (not doing any RF work), I
dont think you will need the USRP. All what you need is your PC sound card and
the gnuradio software.
Best regards,
Firas
--- On Mon, 11/17/08, Peter O'Doherty <[EMAIL PROTECTED]> wrote:
From: Peter O'Doher
Hi,
What is your gnuradio code revision ?
svn info
Regards,
Firas
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check : http://gnuradio.org/trac/ticket/308
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Sat, 11/29/08, Bruhtesfa Ebrahim <[EMAIL PROTECTED]> wrote:
From: Bruhtesfa Ebrahim <[EMAIL PROTECTED]>
Subject: [Discuss-gnuradio] Re: Error - in building new signal processing block
To: discuss-gnuradio@gnu.org
Date: Saturday, November 29, 2008, 2:56 PM
Firas Abbas wrote:
>
Hi,
I have a strange suggestion to you (it worked for me in some time earlier). If
it works for you please give us a feedback.
the Suggestion:
Change TX amplitude from 12000 (as you stated in your email) to 2000 and redo
the experiment.
Note:
To run with real time scheduling, start your p
Congratulation Tom.
Best Regards,
Firas
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Hi,
1) USRP1 minimum interpolation rate is 16. You cannot go lower.
2) If you want to transmit signals, use usrp_siggen.py or modify it to do what
you require.
Regards,
Firas
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Hi,
I you want to do sampling @ 8 bit, USRP bandwidth can be extended to 16MHz. See
usrp_fft.py with option (-8).
Regards,
firas
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Hi Dimtris,
--- On Fri, 12/19/08, Dimitris Symeonidis wrote:
> the description should be changed to show that:
> - blks2.wfm_tx can receive a maximum audio rate of <=16k
> (instead of > the declared >= 16k)
> - blks2.nbfm_tx can receive a maximum audio rate of <=
> 4.5k (instead of >= 16k)
>
Hi,
1) Use static IP address
2) Run find_usrps with sudo
3) Post your ifconfig
Regards,
Firas
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Hi,
> --- On Tue, 12/30/08, Ling Huang wrote:
> Hi, Firas
> In my opinion the ouput Y[i] has the same dimension with
> the power. If we square root the output, and divide it with the fft bin
> numbers, then we get the voltage magnitude. Am I right?
>
> Best Regards,
> Ling
Yes, If we square r
Hi,
> On Thu, 1/1/09, Johnathan Corgan wrote:
> Please svn update and retry.
>
> -Johnathan
Everything is OK now. I Successfully complied revision [10184].
Thank you and happy new year.
Firas
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Hi,
Try :
usrp_wfm_rcv_nogui.py
if it is working with no aUaUaU, then you have CPU utilization problem. If not,
you have to check if your sound card can accept the required 32KHz audio stream.
Regards,
Firas
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Hi,
1) The comparison is not fair with these decimation values. For USRP2, you used
a decimation of 25. Using this odd decimation will disable the FIR filters of
the USRP2 FPGA.
2) To make the comparison valid, I suggest for you to use decimation of 64 for
USRP and decimation of 100 for USRP2.
Hi,
1) Download and run Ubuntu live CD first (do not install).
2) From terminal, run :
dmesg | grep Ethernet
and/or run:
lspci | grep Ethernet
and you will know what is your chip set.
Best Regards,
Firas
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Hi,
> On Mon, 1/19/09, Johnathan Corgan wrote:
>
> This may be a problem with a newer libtool and building the howto code
> when it is a sub-directory of a checked out copy of the trunk. Can
> you try copying the howto directory into another place, not as part of
> the full tree? Better yet, c
Hi,
> On Tue, 1/27/09, Eric Blossom wrote:
>
>
> Attention all newbies:
>
> Please read the GNU Radio FAQ and the USRP FAQ and try
> searching with google before posting to the list.
>
> http://gnuradio.org/trac/wiki/FAQ
> http://gnuradio.org/trac/wiki/UsrpFAQ
>
> Most commands support
Hi,
> On Fri, 1/30/09, Emil Molin wrote:
>
> Running it with a generated signal causes the program to freeze.
>
>
This is normal since there is no sampling rate control in your code and your
CPU will be eaten. To overcome this problem use gr.throttle API in you code.
Best Regards,
Firas
_
Hi,
When working with 8 bit samples, you must disable FPGA halfband filter see
(http://gnuradio.org/trac/wiki/UsrpFAQ/DDC).
To do so, the USRP (via GRC) should load the "std_4rx_0tx.rbf" image.
Best Regards,
Firas
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Hi,
> On Sun, 2/8/09, Johnathan Corgan wrote:
>
> Do you get this every time you run usrp2_fft.py? Can you try
> usrp2_siggen.py or usrp2_rx_cfile.py?
>
> Johnathan
I get this message every time I try to run usrp2_fft.py. for the others, I will
try tomorrow.
Also, when I try to use tb.star
Hi,
> On Sun, 2/8/09, Johnathan Corgan wrote:
>
>
> Did this start occurring at the same time as the reset_db() failure,
> or has it been going on longer?
>
> Johnathan
No. It was existed from an older revisions.
Best Regards,
Firas
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Hi,
> On Sun, 2/8/09, Johnathan Corgan wrote:
>
> Do you get this every time you run usrp2_fft.py? Can you
> try usrp2_siggen.py or usrp2_rx_cfile.py?
>
> Johnathan
Yes, with usrp2_siggen.py or usrp2_rx_cfile.py, I got this message too.
Best Regards,
Firas
_
Hi,
> On Mon, 2/9/09, Eric Blossom wrote:
>
> For the first part of the question, something about
> reset_db, I think you need to update, build and reinstall the f/w on the
> SDCARD since internally, we now use a new (internal) method to handle
> some things.
>
> Eric
I think my SD revision is
Hi,
> On Tue, 2/17/09, George Nychis wrote:
> Hello, Tianning/Bill/Daniel!
>
> The performance of 8PSK matches pretty similarly to 16-QAM.
> So, 8PSK is usually never used in a real system as you get
> better spectral efficiency with 16-QAM without taking a huge
> hit in required SNR.
>
> - R
Hi,
> On Mon, 2/23/09, Patrick Strasser wrote:
>
> I wrote some lines for people asking for help in the wiki.
>
> Please look through it, it can certainly need some polishing.
>
> Patrick
I did some polishing to it. It certainly needs more polishing now!.
Best Regards,
Firas
__
Hi,
> From: Marcus D. Leech
>
> Let's say I have an FFT output that's many, many, bins wide, and I want
> to compress that information into a narrower display (let's say from 4M >
> bins down to 1024 bins).
>
> My approach has been to sum up each set of [4M/1024] bins, and use that
> as the
Hi,
> From: Sebastiaan Heunis
>
> Can anyone please suggest a setup that I can use to test
> the maximum value of samples?
>
> Sebastiaan
The quickest way is to run grc, connect usrp to number sink and run the graph.
Regards,
Firas
___
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Hi,
> From: Marcus D. Leech
> OK, so I decided to use the averaging method, rather than
> the maximum
> method. It produces reasonably good looking plots:
> Marcus Leech
Can you post a link to what you saw by the maximum method ?
Best Regards,
Firas
Hi,
> On Fri, 3/20/09, kaleem ahmad wrote:
>
> ADC sampling rate = 64MHz
> it gives resulution time = 1/64MHz = 156 ns
> if we choose N=512 for FFT then total observation time for
> one scan(one
> complete FFT) is = 156ns x 512 = 8 micro sec
> if the maximum possible (expected) cycle time is 20
Hi,
> On Tue, 3/24/09, Dimitris Symeonidis wrote:
> have some questions that
> hopefully someone on the list can answer:
>
> 1) Do we need both the html and xml documentation, or just
> html?
XML documentation is needed for GRC.
> 2) Search functionality would be useful. I looked at the
>
Hi,
> On Sat, 3/28/09, slimchao wrote:
>
> Hello,
>
> can anyone explain how implemented the CIC interploator
> Filter (how many
> stages) in the FPGA. if we want a interpolation of 32, the
> interpolation
> rate is 4 in the AD9860 (4x interpolation), sothat the
> interpolation is
> 32/4=8 in
Hi,
> On Sun, 3/29/09, slimchao wrote:
>
> Hi Firas,
>
> thanks! i am sure that a 4 Stage CIC Decimator is in the
> USRP FPGA DDC and 4x interpolation in the AD9860 (an interpolation rate
> of 4x is achieved using both interpolation filters). but how many Stage
> CIC Interpolator is in the F
Hi,
>From :
http://gnuradio.org/trac/wiki/ReportingErrors
Some GNU-Radio-specific things that we'll need to know are:
* What version of GNU Radio are you using?
* What operating system are you using? (Linux, BSD, Mac OS X, Windows, or
other? Which distribution? Which version? 32- or
Hi,
--- On Wed, 4/1/09, feldmaus wrote:
> Hi All,
>
> i have a signal generator which is only connected to 1 SMA
> connector
> at the LFRX daughterboard.
> In the gnuradio documentation is written:
> "Each of the 4 ADC's can be routed to either of I or the Q
> input
> of any of the 4 DDC's."
>
Hi,
--- On Thu, 4/2/09, John Gilmore wrote:
> There's another chance to get kids into radio...
>
> If a high volume kids' laptop had stereo "HD audio" ports available
> (24-bit 192 kHz converters, 95 db input and 100 db output), how cheap
> and small a circuit could you build onto that motherb
Hi,
> On Thu, 4/2/09, Matigakis Emmanouil wrote:
>
> Hello,
>
> I did tried to increase the sampling rate and the delay
> went up to 100ms. I was getting a lot of Uo on the screen though from
> the program. The block I've made that does the
>
> processing stores the waveform it receives in
Hi,
> On Fri, 4/3/09, Matigakis Emmanouil wrote:
>
> Hi,
>
> I don't have a BasicRX db. Can't I do the same with RFX2400?
You can do the test with RFX2400 but you have to disable auto T/R switch to use
TX/RX sma for tx and RX2 for RX (after using select antenna command).
>
> Is it danger
Hi,
> On Mon, 4/13/09, feldmaus wrote:
>
> you are right, but why are we calculating with 32MByte/s
> and not with 60MByte/s or something else ?
Did you saw USRP FAQ? Always check before ask. See:
http://gnuradio.org/trac/wiki/UsrpFAQ/Gen#USB:480MBitsec32MBytesec
And see also:
http://gnurad
Hi,
> On Mon, 4/20/09, Saleem Akhtar wrote:
> Hi,
> It appears that gr.message_sink and gr..msg_queues are for
> digital data. but my flowgraph (periodogram) is for analog
> samples,
This is not true (see: usrp_spectrum_sense.py).
> complex baseband samples from usrp --> stream to vector
> (v
Hi,
> On Wed, 4/22/09, kaleem ahmad wrote:
>
> Hi All,
>
> I am trying to detect the cycle (or period) time of a cyclic data
> transmitter by sensing the channel. The transmitter can be any general e.g.
> FSK/ZigBee/Bluetooth etc, and transmitting a fixed packet after every 'T'
> ms. I am int
Hi,
> On Wed, 4/22/09, kaleem ahmad wrote:
>
> Thanks Firas,
>
> But I can simply tell that it always transmit a fix packet (with
> bitrate=500kbps) of 1220 micro sec including preamble. It means that
> after every T ms (T is repetition cycle time and can be a fixed
> value from range: 1ms..
Hi,
May be someday, the USRP_x will transfer data to our PC using USB 3.0, a 5
Gbps data transfer bus.
http://www.pcworld.com/article/156494/superspeed_usb_30_more_details_emerge.html
BR
Firas
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Hi,
> On Sun, 4/26/09, Tony Naggs wrote:
>
> Programming for USB Host is unfortunately not simple.
Thank you for the suggestions. I did some research on USB in the couple two
days ago. I found a microchip pic which can be configured as a USB host or
device. But, as you said it is not si
Hi,
> On Sat, 5/2/09, Andrew Lutomirski wrote:
> I can speculate: some versions of Ubuntu (i.e. all the ones
> I've actually looked at) seem to build fftw *without* SSE/SSE2.
>
> --Andy
Do FFTW have a function we can use to read if it is using SSE/SSE2?. If exist,
we can add a small progra
Hi,
> On Thu, 5/7/09, William L. Bahn wrote:
> I installed GR and USRP software from the binaries using the instructions
> found at:
>
> http://gnuradio.org/trac/wiki/DebianPackages
>
> As near as I can tell, it finished successfully. For instance, if I rerun
> $ sudo apt-get install gnuradio
Hi,
> On Thu, 5/7/09, john boon wrote:
> hi all,
> i haven't had any reply till now on
> "MIMO with USRP". its very unfortunate that big
> people like eric,jonathan and even matt didn't reply to
> my query. A Board like USRP which started way back in 2005
> (usrp1..which is mimo capable
Hi Dominik,
> On Sun, 5/10/09, Dominik Auras wrote:
> Hi!
>
> Well, as I promised, I am going to share my results with
> the community. So here it is:
>
> http://www.dominikauras.de/gnuradio/usrp_fx2.html
> I spent much time on verifying, but of course can't promise
> it is bugfree. So I invit
Hi,
> On Tue, 5/12/09, Dominik Auras wrote:
> Could you try to set different fusb parameters? I observed
> that, since the FX2 is less likely to be a bottleneck,
> tuning of these parameters may have greater impact than
> before. E.g. my laptop did an additional 2 MB/s with B =
> 16384 and N = 1
Hi,
> On Fri, 5/15/09, Eric Blossom wrote:
> From: Eric Blossom
> Subject: Re: [Discuss-gnuradio] tcp and udp server
> To: "Tom Lutz"
> Cc: discuss-gnuradio@gnu.org
> Date: Friday, May 15, 2009, 8:54 PM
> On Fri, May 15, 2009 at 01:01:50PM
> -0400, Tom Lutz wrote:
> > On Fri, May 15, 2009 at
Hi,
> On Thu, 5/21/09, Ankit Saf wrote:
>
>
> I'll go a step further and ask if there is are more help files on available
> GNU radio blocks, and
> about writing your own block?
>
> Thanks!
There is a old and un-updated document that lists Gnuradio blocks at:
http://www.scribd.com/doc/9688
Hi,
You have to explain well in order to get help, for example you said :
[ for 200ms cycle time my array look like [27, 200, 27, 27, 27, 27, 276, 27],
here count = 27, other values are actually some errors ]
What is [my array]? how we suppose that we know your array? And what are these
numbe
Hi,
> On Wed, 5/27/09, Karthik wrote:
>
> If you use usrp_c() source, then the real part of the complex values are the
> I values and the imaginary parts are Q values. They are each 16 bits.
>
> Karthik
>
That is not correct. If you use usrp_c source, then I & Q each are 32 bits
(total com
Hi,
--- On Fri, 6/5/09, Patrick Strasser wrote:
> Hello!
>
> ednet[1] and RaidSonic[2] sell boxes that can forward USB
> ports over via the Linux USB/IP[3] system.
>
> Patrick
>
>From the web site the transfer rate of these boxes is 10/100Mb/s. So
>theoretically it should transfer a maximum
Hi,
--- On Sat, 6/6/09, Alberto Trentadue wrote:
> On Fri, 2009-06-05 at 12:14 -0700,
> Firas Abbas wrote:
> > Hi,
> >
> > --- On Fri, 6/5/09, Patrick Strasser > > Hello!
> > >
> > > ednet[1] and RaidSonic[2] sell boxes that can forward
Hi,
Did you saw?
http://gnuradio.org/trac/browser/gnuradio/trunk/gr-usrp/apps
http://gnuradio.org/trac/browser/gnuradio/trunk/gnuradio-core/src/lib/hier
BR
Firas
--- On Sat, 6/27/09, cr...@yahoo.com wrote:
> From: cr...@yahoo.com
> Subject: Re: [Discuss-gnuradio] coding entirely in C++
>
--- On Tue, 7/7/09, Johnathan Corgan wrote:
>
> GNU Radio has gr.scrambler() and gr.descrambler() blocks to
> do this.
>
> In the example digital packet radio application, we instead use a
> whitener that has a pre-generated sequence of bits that we XOR the
> payload with.
>
> Johnathan
>
Aha
Hi,
--- On Wed, 7/8/09, Shabbir Ahmed wrote:
>
> For Windows Vista:
>
> Make sure the User Account Control is turned OFF. That blocks the permission
> to the folders, even though you have the ownership.
>
> Wanted to share this with the group.
>
>
> Thank you loads.
>
> Regards,
>
> Shab
Hi,
--- On Sat, 7/11/09, adib_sairi wrote:
>
> i have some question regarding the y-axis in usrp_fft.py.. it is
> labeled in unit dB. so how does it convert from ADC value to dB?
Using the formula below.
>
> second, what is this formula mean?
> log = gr.nlog10_ff(10, self.fft_size,
Hi,
--- On Sat, 7/11/09, adib_sairi wrote:
> so if the bin of fft is treated as individual, what is the relationship >
> between fft_size and the db calculation? what is the usage of fft_size
> in the calculation?
Ok let me explain. Let x(n) = cos(2*n*PI*f/fs) , n=0,1,2,..,N
Now take
Hi,
--- On Mon, 7/13/09, Eric Blossom wrote:
>> +0600, ali siddiqi wrote:
> > Hi all, Does gnuradio work with python 2.6? If yes would I
> need to first uninstall my gnuradio and python 2.5 first and then install
> python 2.6 and gnuradio again?
> > I am currently on ubuntu 8.04. Would I need t
Hi,
--- On Mon, 7/13/09, adib_sairi wrote:
>
> I have another Question regarding the usrp_fft.py, what is the effect of
> the average option? is it only average on the display of the graph only
> or is it on the value of the power receive? how much sample it use to do
> the averaging?
>
>
Hi,
> From: Johnathan Corgan
> Subject: Re: [Discuss-gnuradio] USRP2 start/stop issues
>
> On Fri, Sep 4, 2009 at 04:14, Eric Blossomwrote:
>
> > Please pull from http://gnuradio.org/git/eb.git u2-hang
>
> This has been merged into the master branch.
>
> Johnathan
svn trunk ?
Best Regards,
Hi,
> From: Josh Blum
> >>
> >>> Please pull from http://gnuradio.org/git/eb.git u2-hang
> >> This has been merged into the master branch.
> >>
> >> Johnathan
> >
> > svn trunk ?
> >
>
> The svn trunk has been unofficially deprecated since august third.
>
> http://www.mail-archive.com/dis
Hi,
> From: Philip Balister
> >
> > How to browse git files and modifications ? I dont see it in the Wiki pages.
>
> http://www.gnuradio.org/cgit
>
> Philip
Thank you.
Never saw this link before.
Best Regards,
Firas
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Hi,
>
>From: praphul chandra
>Hi all,
>
>I want to make a subsampling SDR using GNU Radio. The available IF is at 1.44
>MHz and 10 MHz with 50 KHz BW. Can some one suggest cost effective hardware
>suitable for subampling the IF.
>
>Sorry for reposting the question.
>
>Thanx in advance.
>
>-- Pr
username: guest
password: gnuradio
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Hi,
> From: Matt Ettus
>
> are you sure you are seeing underruns? Have you connected to the debug
> serial
> port on the USRP2 and seen it send "U"?
>
> Matt
USRP2 has 6 leds. Two of them are ON when every thing is OK. Can you use
one/two of others to indicate over/under run?
Best R
Hi,
> From: Christoph Thein
>
> We are using Ubuntu 9.04 with the latest trunk version of gnuradio but don't
> know enough about the OS realtime scheduling issue to explain it. Does
> anybody
> have more knowledge about ubuntu and realtime to explain this behaviour?
>
> Regards,
>
> Han
Welcome back Eric!
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Hi,
> From: Eric Blossom
>
> Hi Folks,
>
> I've just cut us over to a new server running git and redmine instead
> of trac and subversion.
>
> Eric
Thank you for your and Johnathan and Matt efforts to run this project.
The problem (from my point of view) in git is that we lost the meaning
Hi,
>From: Mir M. Ali
>
>>Hi Firas,
>I am having the same problem with the current trunk. Can you tell me how you
>fixed the error?
>
>Thanks,
>Ali
That was (1 Jan 2009) more than one year old post. Certainly I cannot
remember what was the problem!!.
But generally, following Ubuntu Ins
Hi,
> From: Johnathan Corgan
>
> This is working here both with the USRP1 and USRP2 and current git repository.
>
>
> Johnathan
8 bit samples transfer working for USRP2 is a new information. How we can
enable it? in python or in C++? Is there an example ?
Best Regards,
Firas
Hi,
> From: Matt Ettus
>
> At long last, the WBX is now available.
Great news.
>
> More details and more detailed specs will follow in the next few days.
Sorry, cannot wait !!.
Ettus website says it is full duplex. Gnuradio code says it is half-duplex.
Which one is right?
Best Re
k this is a different problem than
the slow flow).. I'm a bit confused...
thanks
vincenzo
2007/9/7, Firas abbas <[EMAIL PROTECTED]>: Hi Vincenzo,
Are you recording the 8Msps complex or short ?. In recording, I always prefer
the interleaved complex short, because the real coming samples
Hi,
Are you going to put all your old articles about gnuradio and USRP which was
exist on the old web site (http://webpages.charter.net/cswiger) and put it
int he new one ?
A lot of us did not had the chance to see it. Kindly, if you still have it ,
publish it again even if it is referring
. I do hope Chuck
does put it back up again...
Regards,
rax
On Nov 7, 2007 8:32 PM, Firas abbas wrote:
> Hi,
>
> Are you going to put all your old articles about gnuradio and USRP which
> was exist on the old web site (http://webpages.charter.net/cswiger) and put
> it int he n
Hi,
I think your problem is simple, you are wrong in two thinks,
1) You chooses to input 50 KHz signal to your USRP, and I think you are using
the Basic RX daughter board, which have an RF transformer that needs at least
200KHz input signal to pass it without distortion.
2) You used a DDC defa
Dear Eric,
The picture and documentation of gr_message, gr_msg_queue is not clear although
it is very important. Many useful gnuradio components uses it. Some help wanted
to understand what is going on.I'm preparing a simple gnuradio documentation
for the community, and I need these details ple
Hi,
Use center frequency =0 in the usrp scope. If you use center frequency = 250K,
you will shift the signal to 0 Hz.
What is your signal input level in dBm ?
Firas
Aadil Volkwin <[EMAIL PROTECTED]> wrote: Hi,
Firstly my apologies for posting known quantities, I guessed that members would
l
e available,
notice there seems to be some kind of modulation??? I've tested the input
signal with an external scope and the input signal is fine. I don't know why
the usrp scope is "misbehaving"
The input signal level is set at -16.02dBm
Aadil
On 10/11/2007, Firas abbas <
folder:
[EMAIL
PROTECTED]:~/Desktop/GnuRadioResources/gnuradio-3.0.2/gnuradio-examples/python/usrp$
./usrp_oscope.py
Aadil
On 10/11/2007, Firas abbas <[EMAIL PROTECTED]> wrote: Hi,
Input signal level is ok.The scope pictures was not generated by
usrp_oscope.py. What is the program used to
It seems that the signal is ok. If you use a pure sinusoidal signal you will
see a much clearer picture.
Firas
Aadil Volkwin <[EMAIL PROTECTED]> wrote: It seems I need to hit return after
i've entered the values, my error.
the new plot is on the website:
https://rrsg.ee.uct.ac.za/members/aad
problem in
using the gnuradio, and you should learn more.
Regards,
Firas
- Original Message
From: Aadil Volkwin <[EMAIL PROTECTED]>
To: Eric Blossom <[EMAIL PROTECTED]>
Cc: Firas abbas <[EMAIL PROTECTED]>; discuss-gnuradio@gnu.org
Sent: Saturday, November 10, 2007 6:27
Hi,
How we can edit wiki pages ? What is the login edit permission accounts?.
Firas
- Original Message
From: Eric Blossom <[EMAIL PROTECTED]>
To: Eric A. Cottrell <[EMAIL PROTECTED]>
Cc: discuss-gnuradio@gnu.org
Sent: Sunday, November 11, 2007 6:12:19 AM
Subject: Re: [Discuss-gnuradio]
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