On 04/02/2019 10:04 AM, Chesir, Aaron M. wrote:
Marcus,
I mis-spoke: I am using a common **receiver** application, and I am
comparing the received spectrum when using either the N21 or the USRP2
as the transmitter.
Attached are the screen shots of the parameters of the UHD USRP Sink
block, which is common when using either of the two boxes to transmit
(other than the IP address).
Attached also are the results of executing “uhd_usrp_probe” for each
of the two boxes.
I do not understand why I am seeing a healthy spectrum when receiving
from the N210 transmitter, but nothing when receiving from the USRP2
transmitter.
Help.
Thanks,
Aaron
You could try swapping the WBX cards between platforms, to see if it's a
hardware issue.
*From:*Marcus D. Leech <[email protected]>
*Sent:* Tuesday, April 2, 2019 9:34 AM
*To:* Chesir, Aaron M. <[email protected]>; [email protected]
*Subject:* Re: [EXT] Re: [Discuss-gnuradio] Need support for USRP2
On 04/02/2019 09:20 AM, Chesir, Aaron M. wrote:
When I generate a known good signal in the ISM band (902 MHz), I
can use any other receiver with GRC and a good spectrum will be
displayed. When I use the USRP2 with GRC, to receive and
characterize energy , GRC offers no complaints, but GRC indicates
no reception of any signal energy.
What daughtercard do you have installed? What gain setting are you using?
*From:*Discuss-gnuradio
<[email protected]>
<mailto:[email protected]> *On
Behalf Of *Marcus D. Leech
*Sent:* Tuesday, April 2, 2019 9:06 AM
*To:* [email protected] <mailto:[email protected]>
*Subject:* [EXT] Re: [Discuss-gnuradio] Need support for USRP2
On 04/02/2019 09:00 AM, Chesir, Aaron M. wrote:
Folks,
Apparently the USRP2 is no longer supported by GNUradio Companion.
Do any of you have the source files that would allow one to
use gr_modtool to build a GRC block for the USRP2: One to
transmit and one to receive?
Thanks,
Aaron
That isn't true. You can even still use USRP1 with Gnu Radio.
*From:* Discuss-gnuradio
<[email protected]>
<mailto:[email protected]>
*On Behalf Of *Neel Pandeya
*Sent:* Saturday, March 16, 2019 10:37 PM
*To:* [email protected] <mailto:[email protected]>
*Cc:* GNURadio Discussion List <[email protected]>
<mailto:[email protected]>
*Subject:* [EXT] Re: [Discuss-gnuradio] forum to learn more
about signal-processing and SDR ?
Hello Kristoff:
These pages have links to resources that might be helpful to you.
https://kb.ettus.com/Suggested_Videos
https://kb.ettus.com/Suggested_Reading
--Neel Pandeya
On Sat, 16 Mar 2019 at 21:01, Ali Dormiani
<[email protected] <mailto:[email protected]>> wrote:
This book is also a great starting point and reference.
Digital Signal Processing by Oppenheim and Schafer
Also, here is a fun visual way of getting an alternative
understanding of Fourier transforms.
https://www.youtube.com/watch?v=spUNpyF58BY
Have fun,
Ali
On Sat, Mar 16, 2019 at 2:24 PM Albin Stigö
<[email protected] <mailto:[email protected]>> wrote:
This book is a very good starting point:
http://www.dspguide.com
dsp.stackexchange.com <http://dsp.stackexchange.com>
is a good place for questions.
Good luck.
Albin SM6WJM
On Sat, Mar 16, 2019, 22:20 Kristoff
<[email protected] <mailto:[email protected]>> wrote:
Hi,
One of the reasons I am currently using GNU Radio
is to learn more about
signal-processing and SDR.
As the "discuss-gnuradio" list is about gnuradio
itself, what would be a
good mailing-list, newsgroup or forum to ask more
generic questions
about signal-processing?
Kristoff (ON1ARF)
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