Re: [ATM] RE: [atm_free] The zonal Foucault test is free ofinherent correction bias - some supporting graphs

[Michael Peck <mpeck1@ix.netcom.com>]

At 09:45 3/15/05, Koehler, Steve wrote:

>I have enough data (disagreeing interferometry and Foucault on the same 
>mirror)
>to try a different tack.  Now that I have the routine in place to extract
>simulated Foucault readings from 2D interferometry data, I plan to compare
>simulated Foucault extracted from interferometry, versus actual Foucault.
>Perhaps some pattern will emerge from that exercise.

Sounds like a good idea.


>I'm intrigued by your idea that the symmetric zonal profile for the innermost
>zones could be a cause of reading error.  Do you have any thoughts on the
>mechanism for a reading error?
>

Not really. What I found interesting was the reversal in symmetry in going 
from inner to outer zones. I can imagine that providing a possible 
mechanism for systematic error, but I haven't thought hard enough about it 
to predict what the actual effect might be, if any.

Mike Peck


------
Michael Peck
mpeck1@ix.netcom.com

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