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elenna.capote@LIGO.ORG - posted 09:19, Thursday 05 September 2024 (79918)
SRCL FF works with new SRCL Offset, 100-200 Hz improved

Today after the SRCL offset was changed from -175 to -400, I quickly ran an injection to check the performance of the feedforward. I also had uploaded a new feedforward that would fix the 100-200 Hz bump that is injecting excess noise.

The "current" feedforward, which is in FM5, still worked well even with the new -400 offset. The "new" feedforward, in FM8, fixes the excess noise and also still performs well. The "old" feedforward FM4, post vent, is shown for comparison (this is what I was improving against last week).

I have SDFed in observe and changed the guardian to use this new FF.

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