Hello,
I have a USRP B100 from Ettus and I am receiving FM Radio. I plotted the RF
Spectrum and the baseband spectrum in a notebook, but I don't know how to
change the frequency axis or zoom in the graph. I want to know if it
possible to change the frequency in the same graph as well.
I tried to
On Thu, Feb 6, 2014 at 5:31 PM, Tom Tsou wrote:
> On Thu, Feb 6, 2014 at 11:58 AM, Douglas Geiger
> wrote:
>> I'll suggest that the generic kernel should be trusted to do the correct
>> thing, or at least have the correct set of intentions, and that if you want
>> to change the behavior of the ge
On Thu, Feb 6, 2014 at 9:14 PM, Miklos Maroti wrote:
> Hi Tom,
>
> Thanks for the answer! I have considered both approach already. What
> you are saying is that set_relative_rate cannot capture this scenario,
> so it is impossible to set different relative rates, right?
Right; relative_rate as a
On Fri, Feb 7, 2014 at 1:18 AM, Jim Larsen wrote:
> I installed GNU Radio version 3.7.2 on my Raspberry Pi from the Raspbian
> Jessie repository. It is working great for modeling a simple SSB receiver. I
> want to compare the CPU performance of the QT GUI Frequency Sink and the WX
> GUI FFT sink.
On Fri, Feb 7, 2014 at 9:53 AM, Pablo Fernández Alonso
wrote:
> Hello,
>
> I have a USRP B100 from Ettus and I am receiving FM Radio. I plotted the RF
> Spectrum and the baseband spectrum in a notebook, but I don't know how to
> change the frequency axis or zoom in the graph. I want to know if it
Hi list. My 1st post here.
I have a big problem with CMake and some of the generated
files under gr-filter/lib. E.g. here is a snippet from it:
#include "fir_filter_ccc.h"
#include
#include
namespace gr {
namespace filter {
fir_filter_ccc::sptr
fir_filter_ccc::make(int decimation
On Fri, Feb 7, 2014 at 10:50 AM, Gisle Vanem wrote:
> Hi list. My 1st post here.
> I have a big problem with CMake and some of the generated
> files under gr-filter/lib. E.g. here is a snippet from it:
>
> #include "fir_filter_ccc.h"
> #include
> #include
>
> namespace gr {
> namespace filter {
Hi,
What is the need for two types of work functions in a block(work and
general_work). Can't we do that behavioral with single work function?. Is
there any particular reason behind that.
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Hi Tom,
On Fri, Feb 7, 2014 at 11:10 AM, Tom Rondeau wrote:
> On Thu, Feb 6, 2014 at 9:14 PM, Miklos Maroti
> wrote:
>> Hi Tom,
>>
>> Thanks for the answer! I have considered both approach already. What
>> you are saying is that set_relative_rate cannot capture this scenario,
>> so it is imposs
>
> Nope, not a bug. You're reducing the standard deviation, but the
> actual CFO value is not this value but is adjusted based on it.
>
> I think more of what you are looking for is a direct way to set the
> value of the CFO (or something like a reset() function).
>
Hi Tom, thanks for the clarif
On Wed, Feb 5, 2014 at 7:40 PM, Aditya Dhananjay wrote:
> Dear All,
>
> I suspect there is a bug in cfo_model_impl.h, where calling set_std_dev to
> set the std_dev back to 0 causes undesirable effects.
>
> How to reproduce the bug:
>
> a) Standard OFDM TX-RX example in GRC. Connect the TX block t
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Hi Siva,
yes, referring to the introductory tutorials I can explain:
gr::block, the mother of all blocks that can process samples, has
general_work. That gets called to process samples, but does not make
any guarantees about the ratio of the numbers
Seems more viable to run it on a more modern cpu, such as
http://www.rtl-sdr.com/demonstrating-gqrx-running-beaglebone-black-rtl-sdr/
On Fri, Feb 7, 2014 at 2:12 AM, Tom Rondeau wrote:
> On Fri, Feb 7, 2014 at 1:18 AM, Jim Larsen wrote:
> > I installed GNU Radio version 3.7.2 on my Raspberry P
Hi Murat,
It was easy to install GNU Radio on the Raspberry Pi. I started with the
2014-01-07-wheezy-raspbian distribution.
Add the following entry to the /etc/apt/sources.list file:
deb http://mirrordirector.raspbian.org/raspbian/ jessie main contrib
non-free rpi
sudo apt-get update
sudo apt-
Having some issues with Control Port and Perf Mon in GRC.
1. Built Latest Gnuradio 3.7.2 from git.
enabled performance counters in the cmake command line
cmake ../ -DENABLE_PERFORMANCE_COUNTERS=On
then successful make, install, ldconfig, and gnuradio runs fine.
2. Edited the gnura
Dear Sir,
I am using the built-in block of Vector Source, configured as below:
Output Type = Complex.
Vector = ( 1, 2, 3 )
Then I run the flow graph.
The block sends out 1 + 0i, 2 + 0i, 3 + 0i.
Question:
How to make it sends 1 + 2i ?
(How to configure this at the Vector field?)
Regards,
a
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Hi activecat,
have you just tried the most intuitive options:
Vector = ( 1 + 2j, 2 + 4.0 * 1j, complex(3,-1) )
all three elements work, since this is just python :)
Greetings,
Marcus
On 08.02.2014 07:28, Activecat wrote:
> Dear Sir,
>
> I am usi
Dear Marcus,
Thanks, it accepts ( complex(1,2), complex(3,4), complex(5,6) ).
The other two are not accepted, message:
name 'j' is not defined.
Nevertheless, that is good enough.
Thanks.
Regards,
activecat
On Sat, Feb 8, 2014 at 2:38 PM, Marcus Müller wrote:
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