The Y2Y filters for ETMX ITMX and ITMY were installed today in the top mass drivealign matrix. The ITMX filter has been copied from ITMY and the design method is the same as in alog 10610.

The open loop (top mass yaw drive to test mass yaw through the invY2Y filter) (should) give a single pendulum transfer function with a resonant Q of 3 @ 0.6Hz, for the 3 quads.

The design scripts are living in :

/ligo/svncommon/SusSVN/sus/trunk/QUAD/H1/ITMY/SAGM0/Scripts/itmy_Y2Y_inversion.m

/ligo/svncommon/SusSVN/sus/trunk/QUAD/H1/ETMX/SAGM0/Scripts/etmx_Y2Y_inversion.m

And the measured data is from the dtt templates :

/ligo/svncommon/SusSVN/sus/trunk/QUAD/H1/ITMY/SAGM0/Data/2014-03-03_H1SUSITMY_M0_YtoPY_WhiteNoise_0p1to10Hz.xml

/ligo/svncommon/SusSVN/sus/trunk/QUAD/H1/ETMX/SAGM0/Data/2014-03-10_H1SUSETMX_M0_YtoPY_WhiteNoise_0p1to10Hz.xml