hello all
i want to use CCSDS 27 encode/decode ,so i write a grc to test these two
block without hardware,
but i got he dest data is not same with the source data,
so is there some wrong in my grc.
these is the source file and dest file in my grcand my grc file
thank you
--Ekko
==>Hello
So tried cleaning yet again, reinstalling recipes, and running init again.
This time it finished. Everything is working out of a sandbox.
This is like macports: a monumental labor of love by many talented
programmers. I'm sure it will get more stable with time.
Would still very much like to
Hi All,
It's been a week since the GSoC coding period started and I have summarized
the previous week's progress along with a little background information
regarding the Pybombs frontend at [1]. I will be more than happy to receive
any suggestions and feedback on the progress. Thanks in advance.
Indeed, I should've mentioned GPS :) Especially since it's a pretty
popular field for SDR implementation nowadays! Now, it wouldn't ever
lend itself to any relevantly high data rate – Shannon's channel
capacity just doesn't allow that.
Anyway, grarpamp, what's up with the funny subject line?
On 05/29/2016 01:09 PM, Marcus Müller wrote:
Hi grarpamp,
nice idea, would be a shame if it was already being used, and partly
obsoleted ;)
What you describe, ie. spreading the signal over a large bandwidth is
World War II era innovation, and is nowadays called spread spectrum; and
Hedy Lamar
Hi grarpamp,
nice idea, would be a shame if it was already being used, and partly
obsoleted ;)
What you describe, ie. spreading the signal over a large bandwidth is
World War II era innovation, and is nowadays called spread spectrum; and
current implementations use pseudorandom bit sequence
Imagine noise radiator capable of making your spectrum analyzer
look like /dev/urandom across the board. There's no center frequency,
no clock, no freq hopping, no spreading, no observables, no off the
shelf wireless hardware or reference design... it's not based on that.
To any viewer, it's just
Hello the camp,
I'm struggling with an installation on Ubuntu 16.04. Note that apt-get
does install a working GNUradio stack and UHD works with a USRP2. However,
my goal is to install a build environment.
For my 1st effort I used git to clone the uhd driver directory and was able
to get a
Thanks Marcus,
Will give that a try.
Kind Regards,
John
On 29/05/16 08:27, Marcus Müller wrote:
Hi John,
you could try and disable OpenGL acceleration for WX Gui. That's usually
not a good thing,
Hi John,
you could try and disable OpenGL acceleration for WX Gui. That's usually
not a good thing, and it doesn't always help if your system randomly
hangs in WX things, but if it solves this:
find (or create) your ~/.gnuradio/config.conf and add
[wxgui]
style = nongl
Best regards,
Marcus
Hi Gerhard,
I see no demodulation in your pictures, it seems you just filtered the
signal. I would need some background information.
What is the sample rate and the input signal frequency. If the sample
rate is much higher, just measure the pulse length by measuring the
amplitude and use a
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