[mmaimcal]Re: [Almasci] Antenna Acceleration

Mark Holdaway mholdawa at nrao.edu
Wed Nov 19 13:23:52 EST 2003


> Hi Richard, Mark etal,
> 
> Thanks for the PDF file. Nice result and plot.
> 48 ms kicks - 20.83 Hz. I asked Jack: he said

Well, it is 10.4 Hz (Nyquist), but then you have both position & velocity
& you interpolate on sub-48 ms timescales, which effectively makes it
much higher frequency. 

The lowest resonant frequency of the antenna will be of order
10 Hz.

   -M

> it should work if this is >~ 5x the resonance frequency.
> The downside is how tough this is on the antennas, drives and Rx's
> 
> cheers,
> 
> Melvyn
> 




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