[USRP-users] E310 RFNoC image

Hi list, I have followed the application note https://kb.ettus.com/Software_Development_on_the_E3xx_USRP_-_Building_RFNoC_UHD_/_GNU_Radio_/_gr-ettus_from_Source to set up a cross compile environment for an E310 SDR. It works well, however I have not been able to get past chapter 7: Building a c

Re: [USRP-users] Virtual Machine (VM) Application Note

Hi Jeff, That application note has not yet been posted. We hope to have it posted soon. I've removed that section from the existing app note for now. The main takeaways are that you should expect about half the performance as running on bare metal when running a VM. If you're running with a B2xx

Re: [USRP-users] Record in disc 4 channels in continuos mode

Hi, Do you get the same result if you run the included (compiled/default) version of rx_samples_to_file at a lower sample rate, such as: /usr/local/lib/uhd/examples/rx_samples_to_file --args "addr=192.168.60.2" --duration 10 --rate 1e6 --freq 100e6 --gain 10 --subdev "A:0" --file test.sc16 What

Re: [USRP-users] Record in disc 4 channels in continuos mode

Dear Nate, The parameters that I introduce are the following: *//setup the program options* *po::options_description desc("Allowed options");* *desc.add_options()* *("help", "help message")* *("args", po::value(&args)->default_value("addr0=192.168.60.2,second_addr0=19

Re: [USRP-users] Record in disc 4 channels in continuos mode

Hi Anabel, What parameters are you using with the rx_samples_to_file example? Regards, Nate Temple On Mon, Nov 11, 2019 at 3:02 AM Anabel Almodovar via USRP-users < usrp-users@lists.ettus.com> wrote: > Hello, > > I am trying to make a continuous acquisition with an ettus x310 card whose > daugh

Re: [USRP-users] Help in frequency shifting with USRP

This is more of a generic DSP question. It’s the sort of thing that folks on the discuss-gnuradio list do all the time. Sent from my iPhone > On Nov 11, 2019, at 8:35 AM, Snehasish Kar via USRP-users > wrote: > >  > Hello > > I tried capturing GSM 900 band at a sample rate of 25e6 cente

[USRP-users] Help in frequency shifting with USRP

Hello I tried capturing GSM 900 band at a sample rate of 25e6 centered at 947.4e6 and stored in a file. Then on the captured data I tried shifting 935.2e6 to the center and perform a low pass filter samples out followed by a re-sampler to get 200e3 samples out. But I think the spectrum shifting

[USRP-users] Virtual Machine (VM) Application Note

Application Note AN-445 has a section that references "Using a Virtual Machine (VM)" and says that there is another Application Note which describes special issues regarding VMs, but does not have a link to it. I did not see anything in the list of application notes which seems to match. Which

[USRP-users] Long time adquisitions with an x310

Hello, I am working with two ettus x310 cards whose daughter boards are TwinRx. I am trying to acquire and save to disk 20sg at 100MHz, however this gives me overflow. The receive buffer size is the max. My code sends 32 bursts divided into 3 cases. *uhd::stream_cmd_t stream_cmd(uhd::stream_cmd_t

[USRP-users] Record in disc 4 channels in continuos mode

Hello, I am trying to make a continuous acquisition with an ettus x310 card whose daughter boards are TwinRx. I have used as a base the example "rx_samples_to_file.cpp" and I have modified it to be able to acquire continuously with the 4 available channels. However, this gives me an error and save