I love replying to myself.
I updated my website with a plot showing the results of a correlator doing a brute force search thru
frequency and delay on the real raw data.
Krzysztof Kamieniecki wrote:
I am, slowly but surely. I plan on using the USRP.
I recently got some raw data from a person asso
Thanks, I am looking forward to forward motion at last.
I am very interested in the VHF-Microwave front end. I have
active antennas, and can construct the filters but I need some
details on the front end, i.e., specs.
Bob
-Original Message-
From: Matt Ettus [mailto:[EMAIL PROTECTED]
S
Quoting Robert McGwier <[EMAIL PROTECTED]>:
> I would like to do N, where N is larger than 4, correlators on the FPGA
> in order to do code acquisition for code division multiplexing. I would
> also
> like to do beam steering experiments on four channels. All involve
> multiplications and the lo
I am, slowly but surely. I plan on using the USRP.
I recently got some raw data from a person associated with GPStk if you are
interested.
Right now David Bengtson is working on a daughter card.
http://www.keystoneradio.com/GnuGPS.html
Other links of interest
My page: http://www.kamieniecki.com/kr
Who is working on a GPS receiver for the USRP or other hardware
in this project? I would like not to do duplication of effort.
Bob
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Not sure if this qualifies as orthonagal or not, but amazingly
data out == data in. The code below gets this frequency spectrum:
http://webpages.charter.net/cswiger/fdm1.jpg
when put into a fft graph, where you can see the 10001101, the pattern
in the vector source. (plot is upmixed with 250Khz t
On Thu, Mar 17, 2005 at 03:28:26PM -0500, Dinkar Bhat wrote:
> Thanks for the info. One of my issues is the detection of the pilot
> frequency (which is a specific frequency relative to the
> channel). Now, using FFT on the samples that I captured using the
> ADC, I geta certain frequency resoluti
Thanks for the info. One of my issues is the detection of the pilot
frequency
(which is a specific frequency relative to the channel). Now, using FFT
on the samples
that I captured using the ADC, I geta certain frequency resolution
(bin size) that is inversely
proportional to the the length
On Wed, Mar 16, 2005 at 08:04:53PM -0500, Chuck Swiger wrote:
> At 03:55 PM 3/16/2005 -0800, you wrote:
> >This would work fine.
> >In this particular case you can reduce this to:
> >
> >> src = gr.sig_source_f (sample_rate,gr.GR_SIN_WAVE,440,1,0)
> >> s2p = gr.serial_to_parallel (g
I just checked in an updated version of fftsink that supports
averaging. You'll need to update gnuradio-core and gr-wxgui.
I also fixed the problem where all the windows come up too small.
The fftsink windows now have a popup menu (right click to access) that
can enable or disable averaging, set
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