| Accelerometer design: the STEP case (II) |
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| SQUID
read |
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| out
(Common |
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| Mode
& |
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| Differential |
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| Mode) |
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| The
accelerometer is differential, but reduces the 2 |
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| degrees
of freedom of the motion to 1 Ž super-critical |
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| rotation
in 1-D not allowed, fast spin not allowed, active |
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| self centering needed (requires changing supercurrents in |
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| the suspension
coils…) |
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