hi
am using usrp2+WBX ,am doing this simple experiment -
from a signal source i gave 1.5GHz(-20dBm) to usrp2.
in gnu radio companion i gave-UHD:USRP source->wx gui waterfallsink
The Waterfall plot shows only a blue window without any signal and no
control buttons.
when i gave a wx gui fft sink i
Had no response to my previous email, so I try to give it another shot:
Hi all,
I'd like to know if it's possible to read the GPSDO data (more specifically
the GPS time) with GNURadio-companion. I understand there are simple
commands to read this data in C++ or python, and I'd like to know i
We are pleased to announce that we have received a number of hardware
donations for various SDR vendors and will be giving them away at
GRCon!
We will hold a raffle at the end of the conference and all attendees
not affiliated with the hardware manufacturers are eligible to win. We
will provide de
GNU Radio releases 3.7.0.1 and 3.7.1 are available for download:
http://gnuradio.org/releases/gnuradio/gnuradio-3.7.0.1.tar.gz
http://gnuradio.org/releases/gnuradio/gnuradio-3.7.1.tar.gz
MD5 sums:
0a21d3342f58f77f8923803d6bfbb133 gnuradio-3.7.0.1.tar.gz
6c5e67da6ed8724dd900d8e343b64be4 gnuradi
Hello all once again,
I'd like to thank everyone who has given me helpful feedback since my last
status. I really appreciate the thoughtful comments.
I solved the issue regarding getting my matrices to work with the encoder
algorithm. For the parity check matrices, I'm constructing regular LDP
As of about 2:30 PM/US/ET today, the MacPorts gnuradio ports should work again
with wx. Do {{{
sudo port selfupdate
}}} to get the latest MacPorts install and port info. Do {{{
port outdated
}}} to see what has changed, and, hopefully, some wx ports will appear; I
bypassed this step, so I'm not
It uses a single-pole IIR filter. You can set the alpha value when you create the block, and also, there's a set_alpha() method that is a public method.
on Aug 29, 2013, dilip thapa wrote:
Marcus,
Thanks for very nice explanation:
so I see the code of this block with the help of your reply,
Marcus,
Thanks for very nice explanation:
so I see the code of this block with the help of your reply, and understand
that how It is computing power for given N samples.
i.e power= (sum of X**2[n])/N where n goes from 0 to N.
And the code contains “noutput_items ” in place of N.
Then what
On Thu, Aug 29, 2013 at 11:53 AM, Monahan-Mitchell, Tim
wrote:
>>> Off-line example (3 separate flowgraphs, run one at a time):
>>>
>>> 1. USRP --> File
>>> 2. File --> AM Radio Demodulation, produces audio data --> File
>>> 3. File --> Throttle @ audio rate --> Audio Sink
>
> As Tim O pointed out
>> Off-line example (3 separate flowgraphs, run one at a time):
>>
>> 1. USRP --> File
>> 2. File --> AM Radio Demodulation, produces audio data --> File
>> 3. File --> Throttle @ audio rate --> Audio Sink
As Tim O pointed out, #3 would just be File --> Audio Sink, since the Audio
Sink consumes
For a complex signal, the instantaneous power level is proportional to (I**2 + Q**2), which you then average.This is precisely what probe_avg_mag_sqrd does.
And, you shouldn't refer to it as an "energy level", since you're measuring power, not energy. Those are different (but related) concepts i
Hi,
I want to do energy detection of received signal, And after searching I was
advised to use probe block to do the sense. (gr.probe_avg_mag_sqrd_f).
Can anyone explain how this works. How level() method gives the energy level. I
need mathematic behind this function. Is this calculates based
Tom Rondeau writes:
> On Thu, Aug 29, 2013 at 4:51 AM, wrote:
> >
> > Hi,
> >
> > I've now come across another issue with version 3.7. If I have a tcp
> > source block in gnuradio-companion (in client mode), I get a
> > stacktrace like this:
> >
> > Using Volk machine: sse4_a_64_orc
>
On Thu, Aug 29, 2013 at 4:51 AM, wrote:
>
> Hi,
>
> I've now come across another issue with version 3.7. If I have a tcp
> source block in gnuradio-companion (in client mode), I get a
> stacktrace like this:
>
> Using Volk machine: sse4_a_64_orc
> Traceback (most recent call last):
> File
Hi,
I've now come across another issue with version 3.7. If I have a tcp
source block in gnuradio-companion (in client mode), I get a
stacktrace like this:
Using Volk machine: sse4_a_64_orc
Traceback (most recent call last):
File "/home/matt/devel/mygnuradio/client2.py", line 86, in
On Wed, Aug 28, 2013 at 10:33:53PM +, Monahan-Mitchell, Tim wrote:
> Off-line example (3 separate flowgraphs, run one at a time):
>
> 1. USRP --> File
> 2. File --> AM Radio Demodulation, produces audio data --> File
> 3. File --> Throttle @ audio rate --> Audio Sink
>
> Note that #2 can tak
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