Differences between revisions 2 and 3
⇤ ← Revision 2 as of 2018-08-07 05:46:47 →
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Editor: SadakazuHaino
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← Revision 3 as of 2018-08-07 18:37:47 → ⇥
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Editor: SadakazuHaino
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Deletions are marked like this. Additions are marked like this.
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 * [[KAGRA/Subgroups/CAL/GstLAL/tutorials/step7|Step 7: Apply FIR filters and make a strain frame file]]
 * [[KAGRA/Subgroups/CAL/GstLAL/tutorials/step9|Step 9: Make an ASD from a frame (cache) file]]		  * Check the transfer function of Inverse sensing filter (CFL/MICH_IN)
{{{
> kagra-cal/Observation/Phase1/tutorials/trf --frame=K-TEST-1209288324-4.gwf --channel=CALIB_CFL,CALIB_MIN --output=cfl.png
Channels: K1:CALIB_CFL K1:CALIB_MIN
}}}
 * The bode plot shows the frequency response of the inverse-sensing FIR filter, where you can see the low-frequency cutoff
 * Check the transfer function of Actuation filter (AFL/MICH_OUT)
{{{
> kagra-cal/Observation/Phase1/tutorials/trf --frame=K-TEST-1209288324-4.gwf --channel=CALIB_AFL,CALIB_MOU --output=afl.png --logy --invph
Channels: K1:CALIB_AFL K1:CALIB_MOU
}}}
 * The bode plot shows the frequency response of the actuation FIR filter, where you can see the low-frequency cutoff
 * [[KAGRA/Subgroups/CAL/GstLAL/tutorials/step9|(Next) Step 9: Make an ASD from a frame (cache) file]]
 * [[KAGRA/Subgroups/CAL/GstLAL/tutorials/step7|(Prev) Step 7: Apply FIR filters and make a strain frame file]]

Step 8: Check the transfer function of FIR filters

  • Check the transfer function of Inverse sensing filter (CFL/MICH_IN) 

> kagra-cal/Observation/Phase1/tutorials/trf --frame=K-TEST-1209288324-4.gwf  --channel=CALIB_CFL,CALIB_MIN --output=cfl.png
Channels: K1:CALIB_CFL K1:CALIB_MIN
  • The bode plot shows the frequency response of the inverse-sensing FIR filter, where you can see the low-frequency cutoff
  • Check the transfer function of Actuation filter (AFL/MICH_OUT) 

> kagra-cal/Observation/Phase1/tutorials/trf --frame=K-TEST-1209288324-4.gwf --channel=CALIB_AFL,CALIB_MOU --output=afl.png --logy --invph
Channels: K1:CALIB_AFL K1:CALIB_MOU

KAGRA/Subgroups/CAL/GstLAL/tutorials/step8 (last edited 2018-08-08 03:06:19 by SadakazuHaino)