NAOJ GW Elog Logbook 3.2
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YuhangZhao - 22:32, Monday 02 November 2020 (2265)
Measurement of transfer function from PR/BS p/y to AA diagonalized signals
Since we want to know if the AA diagonalized signals are dominated by PR/BS motion. So we want to use a transfer function to calibrate PR/BS motion into AA diagonalized signals. There is excitation sent to PR/BS p/y when the measurement is done. The excitation is as following:
|
PR_p |
15000 |
|
PR_y |
6000 |
|
BS_p |
15000 |
|
BS_y |
6000 |
The measurement of transfer functions are attached as four figures. It is shown in them that there were some coherence between 10~20Hz. We could multiplify this spectrum with PR and BS oplev signal and compare it with the diagonalized AA signal.
Images attached to this report
