The position of the pinhole along the horisontal direction after subtraction of a first order fit. Periodic variations are visible.
The position of the pinhole along the horisontal direction after subtraction
of a first order fit. Periodic variations are visible.
Frequency analysis of the pinhole position.
Positioning errors with periods of 500 and 250 steps are visible, along
with a very low frequency error.
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Last updated April 6, 2001 by norup@astro.ku.dk