On Sun, Mar 29, 2009 at 01:56:59PM +0500, Ujala Qasim wrote:
> Hi,
> I am writing an interface between Windows and USRP. I have a simple question
> to ask, does the USRP need any manual board configurations before I start
> communicating with the FPGA through USB?
>
> Thanks.
No, it doesn't.
Eri
Hi,
I need makefile.am for tests folder in openbts. It only consists of
"makefile" not "makefile.am".
I need makefile.am for some test purposes.
Thanks in anticipation.
M.Awais
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Hello,
I have recently installed gnuradio-3.1.3 on Red Hat Enterprise Linux
4.I can even load the firmware on the usrp using ./test_usrp_standard_tx
.But after the loading of the firmware whenever i try to run the
./usrp.oscope.py program I get the "No module named gnuradio" error.
[r...@localho
Eric Blossom schrieb:
*/
bool set_adc_offset (int which_adc, int offset);
As it says above, "By default the control loop is enabled on all ADC's."
You should leave it that way, with the possible exception of when
using the LF RX daughterboard.
Eric
I am using the LFRX Db.
So do i have
Markus Feldmann wrote am 2009-03-30 17:54:
>
You are right, thats also what i am thinking, but to these
samples through a fft, i have to know what is a sample !
Thats the topic of this post.
Thats what i not understand.
What is a sample ?
For example, is this ONE sample ?
24 + 5i
Yes.
T
Jay Kumar wrote am 2009-03-31 09:08:
Hello,
I have recently installed gnuradio-3.1.3 on Red Hat Enterprise Linux
4.
Did you install via the package management system or did you compile
yourself? Please provide the sommand sequence you used.
Patrick
--
Engineers motto: cheap, good, fast: c
Jay Kumar wrote am 2009-03-31 09:08:
Hello,
I have recently installed gnuradio-3.1.3 on Red Hat Enterprise Linux
4.I can even [...]
For better readability, please consider following rules:
* never a space before punctuation (,;:.!?).
* always a space after punctuation.
* For better readabili
Hi Eric,
The mux should be 0x2301, but not 0x3210.
It now works fine.
Eric Blossom wrote:
>
> On Mon, Mar 09, 2009 at 12:22:50AM -0700, Ling Huang wrote:
>>
>> I set:
>> usrp.source(nchan=2)
>> set.mux(0x32103210)
>> di=gr.deinterleave(gr.sizeof_gr_complex)
>> self.connect( self.u, di )
>>
Eric Blossom comsec.com> writes:
>
> /*!
>* \brief Enable/disable automatic DC offset removal control loop in FPGA
>*
>* \param bits which control loops to enable
>* \param mask which \p bits to pay attention to
>*
>* If the corresponding bit is set, enable the automa
Hello,
I have installed gnuradio-3.1.3 on RHEL4 with i686 architecture.I have
loaded the firmware in the usrp.But whenever i try to run
./usrp_oscope.py i get the following error:
[r...@localhost python]# ./usrp_test_loopback.py
Traceback (most recent call last):
File "./usrp_test_loopback.py",
Hello ,
I am through that problem .The fault was in pkg-config version.Now i am
stucked in running any of the gr-utils examples.Whenever i try to run
./usrp_oscope.py i get the following error:
[r...@localhost python]# ./usrp_test_loopback.py
Traceback (most recent call last):
File "./usrp_te
Hi All,
At this time i am thinking is the dc offset, which i tried to
set up for my db LFRX, useful ?
Or is it useful to disable the automatically dc offset loop ?
The dc offset changes every time depending on the temperatur
and the decimation and maybe other factors !?
So is the use of LFRX use
Greetings, earthlings:
I've developed a new radio astronomy application, which uses XForms
(yes, I know, a freakin' antique as far as GUI tookits go,
but it's *lightweight* and *easy to use*) as the GUI toolkit.
I'm a Fedora kind of guy, and I'm wondering if XForms is available for
install on a
Hello!
I'm doing a project where i need to tune a signal around 10.7Mhz, and then
start making a capture to a file.
So I need to the a tuner which searches for the correct center frequency, so
that I can narrow the sampling band as much as possible.
The idea I'm trying to implement is a two step
Hi All,
In dxc_control::set_dxc_freq is the following line:
set_dxc_freq(double dxc_freq){ return d_u->set_rx_freq(d_chan, dxc_freq);
If we go to usrp_standard.h we see that channel is between 0 and 3. I think
for the standard ".rbf" it is 0 or 1 depending on the side (A or B) as I
recall. Ho
On Tue, Mar 31, 2009 at 12:19:32PM +, feldmaus wrote:
> Eric Blossom comsec.com> writes:
>
> >
> > /*!
> >* \brief Enable/disable automatic DC offset removal control loop in FPGA
> >*
> >* \param bits which control loops to enable
> >* \param mask which \p bits to pay att
On Tue, Mar 31, 2009 at 05:22:32PM +0200, Per Zetterberg wrote:
> Hi All,
>
>
> In dxc_control::set_dxc_freq is the following line:
>
> set_dxc_freq(double dxc_freq){ return d_u->set_rx_freq(d_chan, dxc_freq);
>
> If we go to usrp_standard.h we see that channel is between 0 and 3. I think
> f
I'm adapting the Digital Bert example to pass data in a loopback. I'm
trying to set a framer and a correlator to take a text file and break it up
in packets and then transmit it to the other side and write it to a text
file. The following are the blocks of my flow graph. Any suggestions or
th
Hi All,
i want to build a peak detektor with a Usrp(LFRX),so i hope some of
you can give me some hints about the peak detector modules ?
As i know, there are 3 peak detector:
1. Detect Peak
2. Peak Detector
3. Peak Detector2
Therefore i have some questions:
To 2.) What allowed values for ?
I don't actually know but I would assume keep_one_in_n is not actually doing
any Anti Aliasing for you, that may explain why you are getting a worse
result.
I recently implemented a system for doing what you are describing and it may
be easier for you to just increase the size of your FFT. My syst
Hello again!
Thanks for the advice. But the problem is that during the file capture I was
asked to have a resolution of about 1hz or 2hz on a bandwidth of about
200hz. I would like to have at that point enough decimation to sample at
about 500hz. So I think I'll need the decimation working correc
Hi GNU Radio community!
Because the halfband interpolators are disabled in the current USRP1, I
have investigated to reactivate these. However it turned out that it was
easier to integrate the new implementation I have found in the USRP2.
So I have added the USRP2 halfband interpolators to th
--- On Sun, 3/29/09, Tom Rondeau wrote:
From: Tom Rondeau
Subject: Re: [Discuss-gnuradio] Help with Simple Amplitude Modulation Exercise
To: "Thomas"
Cc: discuss-gnuradio@gnu.org
Date: Sunday, March 29, 2009, 5:48 PM
Thomas,
Thanks for your clearly presented question. Answers embedded below
My advice would be to go read up on downsampling (especially anti-aliasing
filters). :)
The short answer is you need to low pass filter the incoming signal so when
you perform the down sampling you do not get aliasing of the signal.
Kieran
On Wed, Apr 1, 2009 at 10:47 AM, E. Ornelas wrote:
>
>
On Wed, Apr 01, 2009 at 12:45:45PM +1300, Kieran Brownlees wrote:
> My advice would be to go read up on downsampling (especially anti-aliasing
> filters). :)
>
> The short answer is you need to low pass filter the incoming signal so when
> you perform the down sampling you do not get aliasing of t
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