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Re: [Discuss-gnuradio] USRP2 transmission issues
From: |
nyquist82 |
Subject: |
Re: [Discuss-gnuradio] USRP2 transmission issues |
Date: |
Mon, 31 Jan 2011 08:51:16 -0800 (PST) |
I do not understand what you mean by "proper" bandwidth. And what are these
"proper" USRP2 `s bandwidth? Thanks anyway for your reply.
Marcus D. Leech wrote:
>
> On 01/31/2011 09:35 AM, nyquist82 wrote:
>>
>> Hy Matt, I know the Nyquist theorem :-D , but here the problem is not as
>> simple as that. The problem is that changing the interpolation, the
>> bandwidth of the signal sent by USRP2 and displayed on spectrum analyzer
>> does not change. Not only that, the displayed signal is not stable at
>> all.
>>
>> I tried everything but the result is always the same. Please help me. :-(
>>
>> Bye!!
>>
> You said that your recording is at 8MHz bandwidth (8Msps complex). Since
> 8Msps isn't a "proper" bandwidth for the USRP2, you'll have to up-sample
> to a proper (10MHz) rate before you send it to the USRP2, and select
> the appropriate interpolation ratio. You'd have to specify an
> interpolation
> value of 10.
>
>
>
>
>
> --
> Principal Investigator
> Shirleys Bay Radio Astronomy Consortium
> http://www.sbrac.org
>
>
>
> _______________________________________________
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> address@hidden
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>
>
--
View this message in context:
http://old.nabble.com/USRP2-transmission-issues-tp30776517p30808373.html
Sent from the GnuRadio mailing list archive at Nabble.com.
- [Discuss-gnuradio] USRP2 transmission issues, nyquist82, 2011/01/27
- Re: [Discuss-gnuradio] USRP2 transmission issues, Matt Ettus, 2011/01/28
- Re: [Discuss-gnuradio] USRP2 transmission issues, nyquist82, 2011/01/31
- Re: [Discuss-gnuradio] USRP2 transmission issues, Marcus D. Leech, 2011/01/31
- Re: [Discuss-gnuradio] USRP2 transmission issues,
nyquist82 <=
- Re: [Discuss-gnuradio] USRP2 transmission issues, Ed Criscuolo, 2011/01/31
- Re: [Discuss-gnuradio] USRP2 transmission issues, Marcus D. Leech, 2011/01/31
- [Discuss-gnuradio] N210 firmware, Philip Apus, 2011/01/31
- Re: [Discuss-gnuradio] N210 firmware, Nick Foster, 2011/01/31
- Re: [Discuss-gnuradio] N210 firmware, Marcus D. Leech, 2011/01/31
- Re: [Discuss-gnuradio] USRP2 transmission issues, Matt Ettus, 2011/01/31