[TenTec] Basic question (especially NR operation)

[Grant Youngman]

I forgot the obvious comment ... No, you do not need to cycle the 
NR off and on again if the signal changes.  It will adapt on its own.

Grant/NQ5T


On 3 Aug 2004 at 9:02, Grant Youngman wrote:  

> 
> > manually selecting a very narrow DSP passband filter."  Based on their 
> > description, I concluded that for the NR to work properly the desired 
> > signal had to be present when NR is invoked, and if one tuned to a 
> > different signal that one would have turn off the NR and then turn it on 
> > again 
> 
> The NR value adjusts the speed of adaptation,  not the amount of 
> NR.  A lower value provides a relatively slow adaptation speed, so 
> that once the filter is built it will tend to persist and will change only 
> slowly.  A higher value of NR will cause faster adaptation to 
> changing/new/different signal v noise conditions.
> 
> Once adaptation is complete, the amount of noise reduction will be 
> the same for any setting of the NR control, and won't change (all 
> other things being equal) if you adjust the NR value.
> 
> The "right" setting, like so many things on the Orion, depends on 
> conditions, what you're doing, etc.  I typically stick it on about 3 and 
> leave it there, but it's worth experimenting with ...
> 
> Grant/NQ5T
> _______________________________________________
> TenTec mailing list
> TenTec at contesting.com
> http://lists.contesting.com/mailman/listinfo/tentec