Friday, May 14, 2021

Re: using gr-specest/gr-inspector

Hi,

The documentation is here:

https://wiki.gnuradio.org/index.php/GNU_Radio_3.8_OOT_Module_Porting_Guide

In this case I think that only one block rather than a whole OOT needs
to be ported to GNU Radio 3.8, so basically the only changes that need
to be done is XML to YAML .grc files (gr_modtool helps with the
conversion) and python2 -> python3 in case it is a Python block.

In case of doubt or problems, it helps to see what people have done in
other OOTs. Most of them have maint-3.7 and maint-3.8 branches that you
can compare.

Best,

Dani.

El 14/5/21 a las 14:37, Jeff Long escribió:
> The general approach is to make a new OOT module for the version you
> want, using gr_modtool, then move code from the old module to the new
> module as needed.
>
> On Fri, May 14, 2021 at 7:25 AM Aditya Arun Kumar
> <adityaarunkumarphi@gmail.com <mailto:adityaarunkumarphi@gmail.com>> wrote:
>
> Thanks Marcus. I was also thinking the same thing. Can you please
> link me to some porting guides, I am new to this and the last time I
> tried I failed miserably.
>
>
>
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> 05/14/21, 04:51:09 PM
>
>
> On Fri, May 14, 2021 at 3:21 PM Marcus Müller <mueller@kit.edu
> <mailto:mueller@kit.edu>> wrote:
>
> Hi Aditya!
>
> I think the most straightforward way would be to port the AMC
> block to 3.8. I wasn't aware
> of it existing only in maint-3.7!
>
> Best regards,
> Marcus
>
> On 14.05.21 00:50, Aditya Arun Kumar wrote:
> > Hi Marcus,
> > Thanks for the reply. The reason I am sticking with GRC 3.7
> branch is that the AMC block
> > is present only in the gr-inspector 3.7 branch, which
> requires a CNN graph for input, I
> > have no issues in running the 3.8 branches of the OOT. So, if
> this is the case is there a
> > way I can import a TensorFlow graph model into GRC3.8
> because the inspector branch really
> > says it is not present.
> >
> >
> >
> > Mailtrack
> >
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> > 05/14/21, 04:14:53 AM
> >
> >
> > On Fri, May 14, 2021 at 4:08 AM Marcus Müller
> <mmueller@gnuradio.org <mailto:mmueller@gnuradio.org>
> > <mailto:mmueller@gnuradio.org
> <mailto:mmueller@gnuradio.org>>> wrote:
> >
> >     Hi Aditya,
> >
> >     you shouldn't use GNU Radio 3.7 for new things in 2021,
> it's a dead end; we don't develop
> >     this any further, and it will not work on newer machines;
> there's nothing we can do about
> >     that.
> >
> >     Both gr-inspector as well as gr-specest work with GNU
> Radio 3.8, if you check out their
> >     maint-3.8 branch.
> >
> >     GNU Radio 3.8 is easily installable on any reasonably
> modern operating system, so that's
> >     what you should do.
> >
> >     Neither of this has anything to do with Neural Networks,
> so you're on your own there.
> >
> >     Best regards,
> >     Marcus
> >
> >     On 13.05.21 23:38, Aditya Arun Kumar wrote:
> >     > Hello,
> >     > I am working on AMC(Automatic Modulation
> Classification) using GRC. After some digging
> >     > around I found that gr-inspector along with gr-specest
> will work for this. I also found
> >     > that while using gr-inspector I need to check out the
> maint-3.7 branch (gr-inspector for
> >     > maint3.7 says that a minimum of GRC 3.7.9.3 is
> required) for me to load the tf
> >     models. Now
> >     > I face problems in 2 places,
> >     >
> >     >
> >     > 1. gr-specest is not really available for 3.7 at
> least in the kit-cell branch, but
> >     > available here
> <https://github.com/robertwatsonbath/gr-specest-3.7
> <https://github.com/robertwatsonbath/gr-specest-3.7>
> >     <https://github.com/robertwatsonbath/gr-specest-3.7
> <https://github.com/robertwatsonbath/gr-specest-3.7>>>. So I
> install that and
> >     > try to run the example flowgraph I get "Module not
> found: _swig_specest", the same
> >     > happens when I try to do it from the terminal as well.
> After this, I found this
> >     > <https://signalsintelligence.wordpress.com/
> <https://signalsintelligence.wordpress.com/>
> >     <https://signalsintelligence.wordpress.com/
> <https://signalsintelligence.wordpress.com/>>> blog that talks
> about the problems I have,
> >     > but the problem is I cannot find any of the links in
> git-repo as most of them are dead.
> >     > Now my question in this place is there a specific
> gr-specest branch for GR3.7.
> >     > 2. The second part of the problem is where can I find a
> pre-trained CNN model that I can
> >     > import and use (I am still learning the NN parts). If I
> cannot find is there a
> >     > well-documented t project that I can use to generate my
> CNN graph that I can import
> >     as AMC
> >     > into gr-inspector tensor-flow block.
> >     >
> >     > But whatever it looks like I am going to need a CNN for
> mod rec at the moment, but what
> >     > puzzles me is I cannot find gr-specest anywhere just to
> understand some 3D visualization
> >     > as well for 3.7. Any help in this aspect will be really
> helpful.
> >     >
> >     > --
> >     > S. Aditya Arun Kumar
> >     >
> >     >
> >     > Mailtrack
> >     >
> >
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> >
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> >     > 05/14/21, 02:54:51 AM
> >     >
> >
> >
> >
> > --
> > S. Aditya Arun Kumar
> > +919123517465
>
>
>
> --
> S. Aditya Arun Kumar
> +919123517465
>

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