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Entry  Thu Nov 14 23:56:18 2019, rana, Update, LSC, off the bad Violin filters out.pdf
    Reply  Fri Nov 15 11:58:12 2019, gautam, Update, LSC, off the bad Violin filters violinFix.pdfnewViolinConfig.png
    Reply  Mon Mar 1 16:27:17 2021, gautam, Update, LSC, PRM violin filter excessive? violins.pdfPRviolin.pdf
       Reply  Tue Mar 2 13:39:31 2021, rana, Update, LSC, PRM violin filter excessive? 
Message ID: 15026     Entry time: Thu Nov 14 23:56:18 2019     Reply to this: 15028   15853
Author: rana 
Type: Update 
Category: LSC 
Subject: off the bad Violin filters 

We turned off many excessive violin mode bandstop filters in the LSC.

Due to some feedforward work by Jenne or EQ some years ago, we have had ~10 violin notches on in the LSC between the output matrix and the outputs to the SUS.

They were eating phase, computation time, and making ~3 dB gain peaking in places where we can't afford it. I have turned them off and Gautam SDF safed it.

Offensive BS shown in brown and cooler BS shown in blue.

To rotate the DTT landscape plot to not be sideways, use this command (note that the string is 1east, not least):
pdftk in.pdf cat 1east output out.pdf

Attachment 1: out.pdf  14 kB  | Show | Show all
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