[linrad] Re: [Winrad] W3CCX/B Linrad and Winrad

[Robert McGwier <comcast.net; rwmcgwier@xxxxxxxxxxxxxxxx>]

Leif:

Thank you very much for this note.  I have been holding off on releasing 
my version of your blanker because I thought it had problems.  It may 
still but at least you and I get the same results on the IK3MAC I/Q 
recording that allowed us to know we had a very good "traditional" 
blanker as well as a signal dependent smoother.  Alberto is using the  
blanker that I also use in DttSP and PowerSDR.  I thought there was some 
problem with my version of your code.

Thank you for all your wonderful work in Linrad.

Bob
N4HY



leif@xxxxxxxxxx wrote:
> Hi All,
>
> The recording made by Roger, W3SZ, with a weak signal from
> W3CCX/B in the presence of some impulse noise interference
> contains pulse trains that can not be resolved at the
> bandwidth of the recording. The smart blanker of Linrad
> is therefore not helpful and noise blanking is essentially
> achieved with the dumb blanker.
>
> Linrad and Winrad perform very similarly on this recording,
> I have placed a comparison as well as all the files here:
> http://www.sm5bsz.com/w3sz/weakccs/winlin.htm
>
> 73
>
> Leif / SM5BSZ
>
>
>   

--
AMSAT VP Engineering. Member: ARRL, AMSAT-DL, TAPR, Packrats,
NJQRP/AMQRP, QRP ARCI, QCWA, FRC. ARRL SDR Wrk Grp Chairman
Laziness is the number one inspiration for ingenuity.  Guilty as charged!


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