On 05/13/2011 06:05 PM, Bob Camp wrote:
Hi
For AVAR you want a time record not a frequency measure. Your time stamps
are a direct phase estimate. They are what you would use directly for the
AVAR calculation. If they are faster than your shortest tau, all is well.
Divide, mix down, what ever, just stamp faster than the shortest tau.
You can use frequency measures.... but there is a number of quirks
hiding in there which can make a frequency-based analysis biased. Using
time-stamps avoid those quirks, but naturally you can fluke those too...
For instance, use of averaging can be a bad idea. It can be used, but it
needs to be blended in not to bias the AVAR measures.
Cheers,
Magnus
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