40m QIL Cryo_Lab CTN SUS_Lab CAML OMC_Lab CRIME_Lab FEA ENG_Labs OptContFac Mariner WBEEShop
  40m Log, Page 333 of 355  Not logged in ELOG logo
ID Date Author Type Categorydown Subject Text Attachments
  2074   Fri Oct 9 03:53:56 2009 JenneUpdateAdaptive FilteringRemaking the ASSThe c1ass computer, which is now used for
the OAF system, has many remnants from the
days when it was actually used as an ASS. 
  
  2116   Mon Oct 19 11:31:55 2009 JenneUpdateAdaptive Filteringextra delay and noise in PEM -> ASS/OAF system

    
        
 PEM-timing_19Oct2009.png 
  2121   Mon Oct 19 19:37:39 2009 Sanjit, JenneUpdateAdaptive Filteringextra delay and noise in PEM -> ASS/OAF systemRana pointed out that the delay may be
caused by the 110B DAQ, as it integrates
over 2ms (5 clock cycles at 2048Hz on the
 PEM_timingDealy_19OCT09_MCL2PEM2.png 
  2125   Tue Oct 20 11:38:10 2009 rana, rolfUpdateAdaptive Filteringextra delay and noise in PEM -> ASS/OAF systemAn email from Rolf about the delay in
the 110Bs: 
  
  2143   Mon Oct 26 17:45:34 2009 JenneUpdateAdaptive FilteringNew changes to the OAF fe code[Alex, Jenne, Sanjit]
Alex came to the 40m today, and did
several awesome things in OAF-land.
  
  2159   Thu Oct 29 18:04:02 2009 JenneUpdateAdaptive FilteringMore work on saving coeffs on the OAF screen[Sanjit,Jenne]
Sanjit has been working today on
trying to get the OAF coefficients to save
  
  2160   Thu Oct 29 18:25:33 2009 SanjitUpdateAdaptive FilteringMore work on saving coeffs on the OAF screen

    
        
  
  2171   Mon Nov 2 21:09:15 2009 SanjitUpdateAdaptive FilteringMore work on saving coeffs on the OAF screen 
I made some changes in the code (all
commented in the installed and SVN version)
  
  2199   Fri Nov 6 19:25:31 2009 Sanjit, Jenne, JoeUpdateAdaptive FilteringMore work on saving coeffs on the OAF screen

    
  
  2232   Wed Nov 11 00:55:47 2009 JenneUpdateAdaptive FilteringTerms put on some ADC inputsMostly a note to self:  I have put
terminators on the ADC inputs which are usually
the PEM-SEIS-GUR2_(XYZ) channels.  Since
  
  2310   Fri Nov 20 17:44:38 2009 JenneUpdateAdaptive FilteringSome svn shenanigans[Sanjit, Jenne]
Sanjit and I are trying to put names
to some signals which exist in SimuLink land,
  
  2316   Mon Nov 23 19:36:28 2009 JenneUpdateAdaptive FilteringHow to add ASS channels, so that they're saved to frames[Jenne, Sanjit]
We would like several channels from
the OAF/ASS screen to be saved to frames,
  
  2323   Tue Nov 24 18:24:54 2009 SanjitConfigurationAdaptive FilteringASS channels added to framebuilder 
[Sanjit, Jenne, Rob, Joe]
 
  
  2447   Tue Dec 22 18:42:40 2009 Sanjit, KojiConfigurationAdaptive FilteringReadded DAQ channels to active listSometimes back we modified /cvs/cds/caltech/chans/daq/C1ASS.ini
to save some of the channels. The file was
reverted to default after the recent changes
  
  2516   Fri Jan 15 12:04:26 2010 Sanjit, mevansUpdateAdaptive FilteringCanceling noise again! 
OAF is successfully canceling noise
again, thanks to Matt!
 OAF_15JAN2010.png 
  2548   Tue Jan 26 19:51:44 2010 Sanjit, ranaUpdateAdaptive FilteringOAF detailsWe turned on the OAF again to make sure
it works. We got it to work well with the
Ranger as well as the Guralp channels. The
 C1ASS_TOP.pngC1SUS_SRM_XYCOM1.pngUntitled.png 
  2555   Mon Feb 1 18:31:00 2010 SanjitUpdateAdaptive FilteringOAF details  I tried downsampling value
32 (instead of 16), to see if it has any
effect on OAF. Last week I encountered some
  
  2557   Mon Feb 1 21:51:12 2010 SanjitUpdateAdaptive FilteringOAF details I tried some combination of PEM
channels and filters to improve OAF performance
at other frequencies, where we do not have
  
  2571   Fri Feb 5 00:52:55 2010 SanjitUpdateAdaptive FilteringOAF at 0.1-1.0 Hz 
At 0.1-1.0Hz, there is some coherence
between MC_L and RANGER_Y & GUR_Y, see
 OAF_04FEB2010_noOAF.pngOAF_04FEB2010.png 
  2572   Fri Feb 5 01:04:58 2010 SanjitUpdateAdaptive FilteringOAF at > 5Hz 
There is lot of coherence between
the error signal and PEM channels at 5-100Hz.
 OAF_04FEB2010_highFreq.png 
  2575   Sat Feb 6 00:10:08 2010 SanjitUpdateAdaptive FilteringOAF at > 5Hz 
Did some more test to get better
performance at higher frequencies.
  
  4854   Wed Jun 22 12:29:57 2011 IshwitaSummaryAdaptive FilteringWeekly summaryI started on the 16th with a very intense
lab tour & was fed with a large amount
of data (I can't guarantee that I remember
  
  5402   Wed Sep 14 01:21:17 2011 JenneUpdateAdaptive FilteringModifications to LSC, RFM models, added OAF model[Jenne, Mirko, with supervision from Jamie]
We are starting to create the new
OAF model, so that it works with the new
  
  5404   Wed Sep 14 12:01:05 2011 ranaUpdateAdaptive FilteringModifications to LSC, RFM models, added OAF modelFor the acquisition of the MC_F channel,
I suggest taking the FAST_MON BNC output
from the blue FSS interface card in the Eurocard
  
  5449   Sun Sep 18 15:34:09 2011 KojiUpdateAdaptive FilteringModifications to LSC, RFM models, added OAF model[Koji Kiwamu]
This
modification of the LSC model made the rows
  
  5550   Mon Sep 26 18:59:11 2011 JenneUpdateAdaptive FilteringPlan for making MC_F


   
        
            
  
  5555   Tue Sep 27 09:47:52 2011 SureshUpdateAdaptive FilteringPlan for making MC_F


   
        
            
  
  5557   Tue Sep 27 11:52:33 2011 JenneUpdateAdaptive FilteringPlan for making MC_F

    
        
  
  5572   Wed Sep 28 22:30:01 2011 JenneUpdateAdaptive FilteringOAF is disabledI am leaving the
OAF disabled, so there should be nothing
  
  5575   Thu Sep 29 11:25:55 2011 JenneUpdateAdaptive FilteringTried new c-code, Fail.[Mirko, Jenne]
Mirko edited the c-code to use Den's
stuff that he put in the elog last night. 
  
  5576   Thu Sep 29 12:56:27 2011 JenneUpdateAdaptive FilteringMeditations on the OAF[Mirko, Den, Jenne]
We're modifying the c1oaf model,
and we got to talking about the "Fx"
  
  5602   Mon Oct 3 16:18:05 2011 JenneUpdateAdaptive FilteringMeditations on the OAF


   
        
            
  
  5730   Mon Oct 24 19:48:16 2011 MirkoUpdateAdaptive FilteringFilter execution timeToyed around some more with the adaptive
filters.
Execution time:
nTaps   
  
  5738   Tue Oct 25 20:04:40 2011 MirkoUpdateAdaptive FilteringAdaptive filter witness and EP SNRWe currently have the code running for
all DOFs using all witness channels. By default
nothing is applied. C-Code parameters can
 MC-F_SNR_to_Dark_noise.pngCoherence.png 
  5740   Tue Oct 25 21:49:13 2011 DenUpdateAdaptive FilteringAdaptive filter witness and EP SNR

    
      
 gur1_x.jpggur1_y.jpggur1_z.jpg 
  5772   Mon Oct 31 19:39:00 2011 JenneUpdateAdaptive FilteringScreens, code, computers[Mirko, Jenne]
I finished (mostly? maybe?) the OAF
screens.  They're pretty awesome. 
  
  5777   Tue Nov 1 18:16:50 2011 DenUpdateAdaptive FilteringAdaptive filter witness and EP SNR

    

       
            
 translation_length.jpgtrans_tilt.jpgseismic_length.jpgfiltering.jpgtilt_filtering.jpg 
  5810   Fri Nov 4 14:18:24 2011 MIrkoUpdateAdaptive FilteringCoherence between seismometers and MC lengthLooking into the coherence between the
seismometers and IMC length (MC_F):
FIrst with the seismometers only
 Coherence_without_compensation.pngWith_Pend_compensation.matCoherence_with_compensation.png 
  5811   Fri Nov 4 15:24:13 2011 MirkoUpdateAdaptive FilteringAdaptive FF on the MC doesn't make sense[Den, Jenne, Mirko]
 DSC_3585.JPG 
  5816   Fri Nov 4 21:52:58 2011 DenUpdateAdaptive Filteringcoherence[Mirko, Den]
We still think about the coherence
between seismic noise and mode cleaner length.
 mirror_platform.jpgcoherence.jpgScreenshot-4.png 
  5825   Sun Nov 6 21:09:03 2011 ranaUpdateAdaptive Filteringcoherence


   
        
            
  
  5835   Mon Nov 7 16:42:56 2011 JenneUpdateAdaptive FilteringBLRMS's to monitor OAF channelsI copied Mirko's PEM BLRMS block, and made
it a library part.  I don't know where
such things should live, so I just left it
  
  5842   Tue Nov 8 18:06:43 2011 MirkoUpdateAdaptive FilteringNoise injections to MC1-3 PIT & YAWWith fancy analysis tools approaching usability
I looked some more into noise projections
from PIT,YAW motion of the MC mirrors to
 7x 
  5848   Wed Nov 9 14:23:35 2011 JenneUpdateAdaptive FilteringOAF MC Delay MeasurementAs described in elog
2063 and the mevans
document, we need to measure the TF of
 OAF-MCL-Delay-9Nov2011.pdf 
  5856   Wed Nov 9 20:35:58 2011 MirkoUpdateAdaptive FilteringSeismic noise injection into the MCVery elaborated measurement ;-)
On 11-11-08:
18:40 Stomp near STS1 for 2mins
 8x 
  5858   Wed Nov 9 21:32:38 2011 MirkoUpdateAdaptive FilteringPut accelerometers 4-6 on top of MC2 tankPut the accelerometers on top of MC2. Orientated
as the arms,GUR1 and STS1:
 09112011069.jpgCoherence_quiet_time.pngCoherence_quiet_time.fig 
  5864   Thu Nov 10 16:44:54 2011 MirkoUpdateAdaptive FilteringLooking into MC_F & PSL misalignment [Den, Mirko]
While doing the things below we accidentally
misaligned the PSL laser. Thanks to Suresh
 10112011076.jpg10112011073.jpg 
  5867   Thu Nov 10 22:00:38 2011 MirkoUpdateAdaptive FilteringLooking into MC_F & PSL misalignment


   
        
            
 6x 
  5869   Fri Nov 11 00:55:53 2011 DenUpdateAdaptive FilteringMC_F[Mirko, Den]
Not satisfactory work of adaptive
filtering make us to think about the signals
 mcl_sim.jpgmcl_real.jpg 
  5871   Fri Nov 11 10:30:27 2011 ranaUpdateAdaptive FilteringMC_F 
 There should be a whitening
filter in the Pentek Generic DAQ board (Eurocard
  
ELOG V3.1.3-