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Nanohertz frequency determination for the gravity probe B high frequency superconducting quantum interference device signal
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10.1063/1.3669531
/content/aip/journal/rsi/82/12/10.1063/1.3669531
http://aip.metastore.ingenta.com/content/aip/journal/rsi/82/12/10.1063/1.3669531

Figures

Image of FIG. 1.
FIG. 1.

Snapshot (time-series and spectrum) for gyroscope 1, taken November 10, 2004.

Image of FIG. 2.
FIG. 2.

Rotations from body fixed frame to inertial frame .

Image of FIG. 3.
FIG. 3.

Frequency f z from interpolation, gyroscope 1, August 19, 2004.

Image of FIG. 4.
FIG. 4.

Frequency f z from phase differencing, gyroscope 1, August 19, 2004.

Image of FIG. 5.
FIG. 5.

HF signal frequency f z on gyroscope 4 over 4 months.

Image of FIG. 6.
FIG. 6.

f z obtained from FFT and snapshots, gyroscope 4, February 7, 2005.

Image of FIG. 7.
FIG. 7.

Expansion of the simplex.

Image of FIG. 8.
FIG. 8.

Simplex honing on a minimum: case J 2(A ) > J 2(A).

Tables

Generic image for table
Table I.

Typical values for signal frequency f z obtained from phase differencing.

Generic image for table
Table II.

Typical decay rate and characteristic time for the frequency f z of the HF signal.

Generic image for table
Table III.

Signal frequency on February 6th, 2005 at 07:39:00 GMT.

Generic image for table
Table IV.

Signal frequency f z decay rate on February 6th, 2005.

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/content/aip/journal/rsi/82/12/10.1063/1.3669531
2011-12-27
2014-04-18
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Nanohertz frequency determination for the gravity probe B high frequency superconducting quantum interference device signal
http://aip.metastore.ingenta.com/content/aip/journal/rsi/82/12/10.1063/1.3669531
10.1063/1.3669531
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