It sounds like something specific to your machine because my laptop
runs that flowgraph without issue. Some more guesses:
Make a simple flowgraph to play a 1kHz tone through the speaker. Can
you hear the tone?
Make a simple flowgraph to feed the microphone into an FFT and a
waterfall. Do you see a
steve> I don't observe any doppler shift when I move my hand/walk in the
vicinity.
steve>> I can see the FFT plots change in shape on motion, but nothing is
steve>> observed on the Waterfall sink.
If you want to see this, a QAM or BPSK constellation plot would be a better
choice.
Have you gone
I'm not familiar with your application. But you would get better frequency
resolution for the same length FFT if you decimate after the BPF. It would
probably be easier to see what is going on. Is there a reason you are
significantly oversampled?
Paul Garver
> On Oct 21, 2016, at 3:31 PM, Chr
No reason. Just scribbled up a quick flowgraph to demonstrate the use
of a computer's microphone and speakers to do audio frequency DSP with
gnuradio.
On Fri, Oct 21, 2016 at 1:56 PM, Garver, Paul W wrote:
> I'm not familiar with your application. But you would get better frequency
> resolution
ay, April 1, 2016 9:15 PM
> To: ERNEST MATEY; discuss-gnuradio@gnu.org
> Subject: Re: [Discuss-gnuradio] DOPPLER SHIFT
>
> well, kind of
> I think you're confusing different things:
>
> * Hardware: Your HackRF has the job of tuning to a center frequency, things
> like gain
: ERNEST MATEY; discuss-gnuradio@gnu.orgSubject: Re: [Discuss-gnuradio] DOPPLER SHIFT
well, kind of
I think you're confusing different things:
* Hardware: Your HackRF has the job of tuning to a center frequency,
things like gain and giving you a lot of signal sa
connect HackRf to
> tracking software doppler using LibHackRf!
>
> Is that it?
>
> Best Regards
> Ernest.
>
> Sent from my BlackBerry 10 smartphone.
> *From: *Marcus Müller
> *Sent: *Friday, April 1, 2016 7:49 PM
> *To: *ERNEST MATEY; discuss-gnuradio@gnu.org
&g
Friday, March 18, 2016 6:35 PM
To: discuss-gnuradio@gnu.org
Subject: Re: [Discuss-gnuradio] DOPPLER
SHIFT
Hi Ernest,
I saw your f
om: *Marcus Müller
> *Sent: *Friday, March 18, 2016 6:35 PM
> *To: *discuss-gnuradio@gnu.org
> *Subject: *Re: [Discuss-gnuradio] DOPPLER SHIFT
>
>
> Hi Ernest,
> I saw your first mail, too, but I was really busy at that time.
>
> Now, what your error message indicates is t
.From: Marcus MüllerSent: Friday, March 18, 2016 6:35 PMTo: discuss-gnuradio@gnu.orgSubject: Re: [Discuss-gnuradio] DOPPLER SHIFT
Hi Ernest,
I saw your first mail, too, but I was really busy at that time.
Now
Hi Ernest,
I saw your first mail, too, but I was really busy at that time.
Now, what your error message indicates is that gpredict wasn't properly
installed. Not having used that myself, I can't really be of much help,
but you should first of all check that if you run a python2 prompt,
"import gpr
Hi All,
I am trying to track Satellite for CW signal receiving and analysis on my GNURadio.
I know I need some tracking with Doppler shift.
What is the best way to do this?
Now, I have GPredict installed hoping to use it.
I have added the GPredict doppler block to my GRC library blocks a
Hi All,
I am trying to track Satellite for CW signal receiving and analysis on my GNURadio.
I know I need some tracking with Doppler shift.
What is the best way to do this?
Now, I have GPredict installed hoping to use it.
I have added the GPredict doppler block to my GRC library blocks a
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