[time-nuts] Making a HP 10811 better

[Hal Murray]

> In most real environments vibration is a three axis sort of thing. In order
> to optimize you would also need vector information about your vibration
> environment to really make use of your knowledge about the oscillator. Even
> lining up with your major vibration axis will normally only help a bit.
> Things tend to move up / down, left / right and front / back all at the same
> time.  

A while ago, somebody provided a URL discussing vibration and crystals.  The 
context was radar on helicopters.  The vibration smeared out the signal 
enough to cause problems.  The fix was accelerometers and  a system to tweak 
the voltage on the crystal to compensate.  It was a fun read.


-- 
These are my opinions, not necessarily my employer's.  I hate spam.