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Entry  Thu May 23 20:39:50 2013, Jenne, Update, LSC, PRMI sensing matrix measured at 580.1Hz SensMat_23May2013.png
    Reply  Thu May 23 22:13:12 2013, Koji, Update, LSC, PRMI sensing matrix measured at 580.1Hz 
       Reply  Fri May 24 13:41:19 2013, Jenne, Update, LSC, PRMI sensing matrix measured at 580.1Hz SensMat_23May2013_withIQ.png
          Reply  Fri May 24 14:01:59 2013, Koji, Update, LSC, PRMI sensing matrix measured at 580.1Hz 
             Reply  Fri May 24 14:40:22 2013, Jenne, Update, LSC, PRMI sensing matrix: now what? 
                Reply  Fri May 24 22:18:33 2013, Jenne, Update, LSC, PRMI sensing matrix: Got it! SensMat_23May2013_withIQ_andCorrectPhases.png
                   Reply  Tue May 28 14:52:56 2013, Jenne, Update, LSC, PRMI sensing matrix: Got it! SensMat_21May2013_withIQ_andCorrectPhases.png
                      Reply  Tue May 28 17:06:04 2013, Koji, Update, LSC, PRMI sensing matrix: Got it! 
Message ID: 8633     Entry time: Thu May 23 20:39:50 2013     Reply to this: 8636
Author: Jenne 
Type: Update 
Category: LSC 
Subject: PRMI sensing matrix measured at 580.1Hz 

I locked the PRMI and remeasured the sensing matrix, this time at 580Hz.  The excellent news here is that the matrix looks quite similar to the one measured the other day, recorded in elog 8632.  Yay!  I'm not sure why the REFL11 MICH error is so much larger this time around.

Raw data:  .../scripts/LSC/SensMatData/sensematPRM_2013-05-23.202312.dat

Sensing Matrix, units = cts/meter, phase in degrees
 
            PRCL Mag   PRCL Phase    MICH Mag   MICH Phase  
AS55        5.485E+08   162.424      2.679E+09    25.608     
REFL11      1.126E+13  -122.832      1.618E+11    85.296     
REFL33      2.658E+11   -87.973      8.910E+09    79.226     
REFL55      3.012E+11   -99.534      1.210E+10    12.486 

     SensMat_23May2013.png

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