Hello.How to interrupt the transmission of a signal on a button and how to
generate a constant and not a specified amount of time ??
Tell me how the get_rx_stream function works and what arguments are passed
to it. I do not want to open the session every time.
I use Python API
_
Hello.How to interrupt the transmission of a signal on a button and how to
generate a constant and not a specified amount of time ??
Tell me how the get_rx_stream function works and what arguments are passed
to it. I do not want to open the session every time.
I use Python API
_
Hello. I have problems with signal generation using pyuhd. I want to
generate a signal on certain samples, but I'm just generating a broadband
signal.
My code is:
data=np.zeros(2048)
data[30]=100
data[2033]=100
data=np.fft.ifft(data)
def transmiter(waveform_proto=data):
u1 = None
global u1
Hello. I'm making a receiver for H210. I only output the first frequency
position. When the frequency is changed on the generator, it is not
displayed on the graph. Tell me what the problem is.
Thank you in advance
import numpy as np
import libpyuhd
import pyqtgraph as pg
import time
from PyQt4 im
Can you please tell us how to properly implement data reception from usrp
n210 using STREAM_MODE_NUM_SAMPS_AND_MORE:
import numpy as np
import libpyuhd
import pyqtgraph as pg
import time
from PyQt4 import QtGui,QtCore
app = QtGui.QApplication([])
win=pg.GraphicsWindow()
label = pg.LabelItem(justif
Hi, Marcus
I'm working on the data transmission using USRP B200 and UHD Python driver.
When transmitting the data, the error U appears. I think that the problem
is in the USRP B200 initialisation. I want to start the transmission as
another process.
Here is my code:
from PyQt4 import QtCore,QtGui
Hi, Marcus
I'm working on the data transmission using USRP B200 and UHD Python driver.
When transmitting the data for two usrp, the error U appears. I want to
start the transmission as another process.
Here is my code:
from PyQt4 import QtCore,QtGui,uic
import sys
import libpyuhd as lib
import nu
USRP N210
2017-10-05 11:26 GMT+03:00 Ivan Zahartchuk :
> Hi, Marcus
>
> I'm working on the data transmission using USRP B200 and UHD Python driver.
> When transmitting the data for two usrp, the error U appears. I want to
> start the transmission as another process.
> Here is my code:
>
> from P
Hi Marcus
Tell me please, what type of data does USRP N210 sign or unsigned? And
what type of data is better to transfer to a motherboard for stable
generation of polyharmonics?
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> 2017-11-15 14:51 GMT+01:00 Ivan Zahartchuk :
>>>>>
>>>>>> Tell me how to fix this problem. I'm not very versed in the FPGA
>>>>>>
>>>>>> 2017-11-15 15:51 GMT+02:00 Ivan Zahartchuk :
>>>>>>
>>>&g
;> is not a valid firmware image.
>>>>>>>>
>>>>>>>> Best regards,
>>>>>>>> Ivan
>>>>>>>>
>>>>>>>> 2017-11-15 22:12 GMT+02:00 Michał Wróbel >>>>>>> >
Hello, I'm implementing the receiver on N210. I have an error
ERROR_CODE_TIMEUTH with what it can be connected and how it can be solved.
Thank you in advance.
import libpyuhd as lib
import numpy as np
import time
usrp = lib.usrp.multi_usrp("addr=192.168.10.2")
chanels = 0
num_samps = 2048
usrp.se
Now my task will get rid of leakage of oscillator frequency into my
spectrum. Specialists from Yerevan advised me to move the frequency of the
oscilator out of the spectrum as shown in the picture. But with such a
shift, the spectrum changes very much.
__
Hello. Prompt please, you used a package pysdruhd and as it to install
because through conda at me it turns out nothing. And is there any
examples with this package ??
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Hello. I use B200 to scan the spectrum in a certain band. I have two
problems.
1) the last part of the collection of the spectrum becomes the beginning. Fig.
1
2) the switching time from frequency to frequency is alternated
0.00305509567261
0.0539989471436
0.00493001937866
0.054967880249
0.0047459
Hello. I use B200 to scan the spectrum in a certain band. I have two
problems.
1) the last part of the collection of the spectrum becomes the beginning. Fig.
1
2) the switching time from frequency to frequency is alternated
0.00305509567261
0.0539989471436
0.00493001937866
0.054967880249
0.0047459
Hello. Recently I fell into the hands of the USRP E313. I'm interested in
a few questions about it.
1. Is it possible to visualize the data that it processes?
2. Is there any instruction for working and programming boards of this kind?
I used to work with the USRP B200, but everything is a bit sim
tus.com/Streaming_processed_data_from_
> the_E31x_with_GNU_Radio_and_ZMQ
>
> Regards,
> Derek
>
> On Wed, Jun 6, 2018 at 8:40 AM, Ivan Zahartchuk via USRP-users <
> usrp-users@lists.ettus.com> wrote:
>
>> Hello. Recently I fell into the hands of the USRP E313. I'm i
>>>
>>> https://kb.ettus.com/Ettus_USRP_E300_Embedded_Family_Getting
>>> _Started_Guides
>>> https://kb.ettus.com/Ettus_USRP_E300_Embedded_Family_Hardware_Resources
>>>
>>> https://kb.ettus.com/Software_Development_on_the_E310_and_E312
>>> https://kb.ettus.com/Strea
to:usrp-users-boun...@lists.ettus.com] *On Behalf
> Of *Ivan Zahartchuk via USRP-users
> *Sent:* Monday, June 11, 2018 9:49 AM
> *To:* Derek Kozel ; usrp-users <
> usrp-users@lists.ettus.com>
> *Subject:* Re: [USRP-users] USRP E313
>
>
>
> Hello. I had a problem
Hello. I'm trying to write a block in gnuradio for broadband reception.
The main problem at the moment is to transfer data to the fft block.
I'm new to python and so it's hard for me to figure this out.import numpy as np
I need an array of data to pass to the gnuradio.fft.fft.vcc block
from gnur
Hello. I use the N210 board for scanning with frequency tuning. And
with the 'D' error, I have problems with correctly detecting the
signal frequency. In this regard, the question. How do I flush the
buffer in N210?
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Hello. I use the N210 board for scanning with frequency tuning. And
with the 'D' error, I have problems with correctly detecting the
signal frequency. In this regard, the question. How do I flush the
buffer in N210?
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Hello. Can I create a binary file with two fft blocks and two window blocks
for usrp E310 for rfnoc? And if so, how ? The idea is to receive a signal
from two channels simultaneously.
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board. Perhaps you have any suggestions or examples.
Because in programming on FPGAs I am unfortunately very weak and I
need decent speed.
сб, 4 апр. 2020 г. в 20:50, Marcus D. Leech via USRP-users <
usrp-users@lists.ettus.com>:
> On 04/04/2020 01:39 PM, Ivan Zahartchuk via USRP-users w
Hello. Please tell me if it is possible to configure GPIO using gnuradio. I
want to use RFNOC blocks and switch an external device using GPIO
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b/master/host/examples/gpio.cpp
>>> >
>>>
>>> I can't think of a current GNU Radio block that handles UHD USRP GPIO.
>>> If you look around & can't find one, then you'd need to create a custom GNU
>>> Radio block to handle this. Y
Hello. I am using uhd 3.15 on the usrp e310 board. I want to run
gr-phosphor but when flashing FPGA using
uhd_image_loader --args type = e3xx --fpga-path / home / adray / rfnoc /
src / uhd / fpga-src / usrp3 / top / e300 / build-E310_RFNOC_sg3 / e300.bit
which is created by version uhd 3.14.1 and
Hello, I'm trying to switch between all four USRP E310 inputs. For this, I
use the command self.uhd_rfnoc_streamer_radio_0.set_rx_antenna ("TX / RX",
0) but I can only switch in channel A. RFNoC Radio does not have the
set_rx_subdev_spec command. Tell me how can I switch across all 4 channels?
Unfortunately, this method does not work. Maybe there are some other ideas?
пн, 4 трав. 2020, 23:38 користувач Rob Kossler пише:
> Does the 2nd argument to set_rx_antenna() indicate which radio port? If
> so, try setting it to 1.
> Rob
>
> On Mon, May 4, 2020 at 2:02 PM Ivan
ich radio port? If
>> so, try setting it to 1.
>> Rob
>>
>> On Mon, May 4, 2020 at 2:02 PM Ivan Zahartchuk via USRP-users <
>> usrp-users@lists.ettus.com> wrote:
>>
>>> Hello, I'm trying to switch between all four USRP E310 inputs. For this,
>
>> It does; the channel parameter on E310 is used to address the A- or
>> B-side.
>>
>> On Mon, May 4, 2020 at 1:39 PM Rob Kossler wrote:
>>
>>> Does the 2nd argument to set_rx_antenna() indicate which radio port? If
>>> so, try setting it
Hello. I want to create an image of fosphor, window, fft, 2x AXI FIFOs, FIR
for USRP E310. I need to change the spectral bandwidth. But with the
samp_rate parameter this does not work out very well. Therefore, I want to
use the FIR filter for these purposes, but when building the bit file, I do
not
If I understand you correctly, then I need to create another block uhd
self.uhd_usrp_source = uhd.usrp_source ( ",". join (("", "")),
uhd.stream_args ( cpu_format = "fc32", channels =
range (1), ), )
so I created it. But I don’t understand how it work
Hi there. My problem is that even after calibration I can clearly see the
mirror channel on my USRP N 210 with SBX. Maybe someone will tell you how
to solve this problem. This problem is observed on several boards and
different boards.
вт, 16 июн. 2020 г. в 17:28, Michael Dickens :
> Hi Ivan - OK
Hello. I am interested in the possibility of implementing a prototype
direction finder based on the USRP E310 board. Since I have it in stock.
Interested in basic questions such as is it possible to synchronize the
phase on two channels and are there any examples of such attempts? Perhaps
someone c
That is, in theory, I can simply start two streams from two channels and
further process them using certain direction finding algorithms?
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Another question of interest is which channels are coherent? Rx1 and RX2 or
RX1 and RX / TX?
вт, 17 нояб. 2020 г. в 01:56, Ivan Iudice :
> Right!
> Be careful, DOA estimation using only 2 antennas works but it’s not so
> accurate.
> Enjoy!
>
> Ivan
>
> > Il giorno 17 nov 2020, alle ore 00:35, Iva
you should have two (coherent) channels "A" and "B" both
> > allowing you to select one out of two available antenna ports when
> > receiving ("TX/RX" or "RX2").
> >
> > Cheers,
> > Julian
> >
> > On 11/18/20 10:31 AM, Ivan
Thank you!
чт, 19 нояб. 2020 г. в 06:54, Jonathon Pendlum :
> Hi Ivan,
>
> Try building with the gr-ettus maint-3.7 branch.
>
> Jonathon
>
> On Wed, Nov 18, 2020 at 1:08 PM Ivan Zahartchuk via USRP-users <
> usrp-users@lists.ettus.com> wrote:
>
>>
>&g
ate to 5msps and try again.
>
> Sent from my iPhone
>
> > On Nov 20, 2020, at 10:02 PM, Ivan Zahartchuk via USRP-users <
> usrp-users@lists.ettus.com> wrote:
> >
> >
> > Hello, I want to launch two channels for receiving in parallel with usrp
> e310 rfnoc.
Hello. Tell me how to compile RFnoC firmware for USRP E310 so that you can
control GPIO through the Radio block?
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Hello. I want to create a graph to run gr-fosphor for usrp e310 but I
haven't found any examples or at least uhd_image_builder.py to build
firmware. Tell me if this is possible and what resources you can look at in
this direction.
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Hello.
I'm trying to install RFNOC on USRP E313
When installing RFNOC on the E313 board, the following occurs:
Can anyone faced this problem tell me how it can be solved?
Thank you in advance
root@ettus-e3xx-sg3:~/newinstall# uhd_usrp_probe
[INFO] [UHD] linux; GNU C++ version 4.9.2; Boost_1057
Hello tell me how to update the E310 to e3xx-release-4?
Thanks in advance.
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Hello. Can you please tell us how to create a new SD card for the E310.
I looked at the link https://kb.ettus.com/N300/N310_Getting_Started_Guideess
but I do not know where to get the file with the extension sdymg.
Thank you in advance.
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Hello. I'm having an error after installing the software-office. Tell me
how can I fix this error ??
root@ettus-e3xx-sg3:~/newinstall/usr/lib/uhd/examples# ./rx_samples_to_file
--freq 100e6 --gain 0 --ant TX/RX --rate 1e6 --null
Creating the usrp device with: ...
[INFO] [UHDlinux; GNU C++ version
Hello. Please tell me examples of cyclic reading of data from the USRP
N210 card in the num_samps_and_done mode. And the possible change of
parameters in the intervals between reading. I'm trying to work with
on python
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Hello. I have a problem with the usrp b200 board. I need a fast frequency
tuning for spectrum analysis. But when I increase the band over 200 MHz,
that is, more than 8 frequency adjustments, I have problems with time. It
increases dramatically.
Here is the code section where I measure the execution
info.
>
> -Ian
>
> > On Mar 11, 2019, at 7:49 AM, Ivan Zahartchuk via USRP-users <
> usrp-users@lists.ettus.com> wrote:
> >
> > Hello. I have a problem with the usrp b200 board. I need a fast
> frequency tuning for spectrum analysis. But when I increase the
. Leech via USRP-users <
usrp-users@lists.ettus.com>:
> On 03/12/2019 05:13 AM, Ivan Zahartchuk via USRP-users wrote:
>
> Thanks for the information. But do not tell me why then in N 210 with sbx
> there is no such problem? Just in the N 210 I am not satisfied with the
> large ce
Hello. My task is to make a broadband spectrum analyzer on the usrp b200
board. For this, the standard functions for reading samples in python are
not suitable for me. Therefore, I edited them. When reading samples using
the start_con method, I cannot specify a band greater than 5 MHz.
Therefore, I
a) having to ask for a larger buffer regularly and b)
> avoid copying data.
> Asking for an appended version of your last buffer means that something
> has to allocate a larger buffer – which comes at very large cost!
>
> Best regards,
> Marcus
>
> On Sat, 2019-05-11 at 21:31
> that. No matter in which programming language you'd do this, you'd
> > > make
> > > sure that the buffer is large enough for your data collection to
> > > begin
> > > with and then tell the UHD library to fill the appropriate part in
> > >
; > > You'd have to be very careful in Pythonland to not run into
> > > > > performance
> > > > > problems once you've gotten the samples from UHD:
> > > > >
> > > > > complex_buffs=np.append(complex_buffs
> > > yourscript.py` is your friend to figure out where your
> > > > > > program
> > > > > > spends
> > > > > > its CPU cycles.
> > > > > >
> > > > > > Best regards,
> > > > > > Ma
> > > > the num_sams_and_done mode, but there is also a problem
> > > > > > > > > with
> > > > > > it
> > > > > > > > which
> > > > > > > > > is described in the previous message. If you have more
> &g
correct. Can you tell me some way out of this situation? I think I'm not
the first to want to implement such a project on Ettus boards.
ср, 29 мая 2019 г. в 22:56, Marcus D. Leech via USRP-users <
usrp-users@lists.ettus.com>:
> On 05/29/2019 03:29 AM, Ivan Zahartchuk via US
Hello. When I read data from the board, error D periodically passes. It
leads to bursts in the spectrum that fits in the figure. Please tell me how
you can remove this error or how it can be handled? I also attach the code
file.
[image: errorD.png]
"""
Curses FFT example using Python API
"""
impo
вт, 8 окт. 2019 г. в 16:59, Sam Reiter :
> What hardware are you using on the host side? Specifically, I'm interested
> in CPU, RAM, and NIC.
>
> Sam Reiter
>
> On Tue, Oct 8, 2019 at 6:22 AM Ivan Zahartchuk via USRP-users <
> usrp-users@lists.ettus.com> wrote:
&
broken. You don't notice this with web-browsing and
> other TCP-based protocols, because those protocols do error recovery.
>
>
>
>
>
> On Wed, Oct 9, 2019 at 2:14 PM Ivan Zahartchuk via USRP-users <
> usrp-users@lists.ettus.com> wrote:
>
>>
>
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