Re: [Discuss-gnuradio] Howto tune RF frequency in blocks?

[hanwen]

Thanks, Eric. Would you please tell me the exact C++ functions which do the tuning? 
Is there any C++ class relating the usrp class in python?

hanwen

2006/7/10, Eric Blossom <address@hidden>:

On Mon, Jul 10, 2006 at 06:16:59PM +0800, 2 1 wrote:
> Hi,
>
> I wonder if it is possible to tune the RF frequency in blocks written in
> c++.
>
> In python, statements as the follow are used to tune the frequency of RF
> board.
> r = u.tune(0, subdev, freq)
>
> I want to adjust the receiver's RF according that of the
> transmitter  automatically with some frequency offset estimation methods
> before doing communication. I guess it's better to do the adjustment in DSP
> blocks.
>
> Thanks!

Yes, handle the freq offset adjustment in s/w.  Depending on the receiver, you're
going to have a finite step size anyway.

Eric