| ID |
Date |
Author |
Type |
Category |
Subject |
Text |
 |
|
5102
|
Wed Aug 3 02:28:08 2011 |
Manuel, Ishwita | Update | WienerFiltering | Wiener Filtering in X-arm | Wiener Filtering was applied on the data
collected from the X-arm during the time:
GPS |
|
|
5106
|
Wed Aug 3 12:24:08 2011 |
Manuel, Ishwita | Update | WienerFiltering | Weekly summary | Last Friday (Jul 29) we reinstalled the
blue breakout box, and changed the names
of the C1:PEM channels. Elog |
|
|
5157
|
Tue Aug 9 16:21:59 2011 |
Manuel, Ishwita | Update | WienerFiltering | First results of our simulations | We did the simulation of the stacks by
defining a transfer function for one stack
(green |
|
|
6005
|
Fri Nov 25 12:46:13 2011 |
Mirko | Update | WienerFiltering | Wiener filtering tryout | Tried the wiener filter with the TF from
p.5900
Tried it out with the TFs from p.5900: |
|
|
6029
|
Mon Nov 28 18:53:35 2011 |
Den | Summary | WienerFiltering | seismic noise substraction | There is still a problem why GUR, STS signals
are poorly coherent to MC_L. But at
least we can see coherence at 2-5 Hz. It |
9x |
|
6075
|
Tue Dec 6 00:58:34 2011 |
Den | Update | WienerFiltering | OAF current goal | After reducing the digital noise I did
offline Wiener filtering to see how good
should be online filter. I looked at the |
|
|
7185
|
Wed Aug 15 00:52:17 2012 |
Den | Update | WienerFiltering | filter calculation | A Matlab script to calculate Wiener filter
coefficients and convert fir to iir is ready.
Input is a file with zero mean witness and |
|
|
7659
|
Thu Nov 1 20:20:33 2012 |
Den, Ayaka | Update | WienerFiltering | acoustic noise in PMC | We've subtracted acoustic noise from PMC
using 1 EM 172 microphone. We applied a 10
Hz high-pass filter to PMC length signal |
|
|
7672
|
Mon Nov 5 20:37:01 2012 |
Ayaka | Update | WienerFiltering | Play with wiener filtering | I am trying to find what limits the
reduction rate with wiener filtering.
I did some calculations below: |
|
|
7688
|
Thu Nov 8 10:11:58 2012 |
Ayaka | Update | WienerFiltering | Play with wiener filtering | I will attach a document which describes
how the noise affect the wiener filter and
the noise cancellation ratio. |
|
|
7707
|
Tue Nov 13 21:05:22 2012 |
Ayaka | Update | WienerFiltering | Acoustic noise cancellation with MC | In order to perform acoustic noise
cancellation with MCL signal, I am trying
to find sweet spots for microphones. |
9x |
|
7751
|
Tue Nov 27 01:03:42 2012 |
Ayaka | Update | WienerFiltering | Sound on PSL | Last Thursday, I put the speaker
and my laptop in the PSL table, and make
triangular wave sound with the basic frequency |
|
|
7760
|
Wed Nov 28 23:55:13 2012 |
Ayaka | Update | WienerFiltering | Sound on PSL | I have been searching for the way
we can subtract signal better since I could
see the acoustic coupling signal remains |
|
|
7789
|
Wed Dec 5 01:06:22 2012 |
Ayaka | Update | WienerFiltering | The microphones and the speaker on the AP table | In order to see the acoustic coupling
on arm signals, I set 6 microphones and the
speaker on the AP table. The microphones |
|
|
7792
|
Wed Dec 5 09:53:01 2012 |
rana | Update | WienerFiltering | The microphones and the speaker on the AP table | Don't
try to re-invent the mic mount: just copy
the LIGO mic mount for the first version. |
|
|
7824
|
Thu Dec 13 18:06:59 2012 |
Ayaka | Update | WienerFiltering | New microphone mounts | Yesterday, I made new mounts for
microphones.
|
|
|
8563
|
Mon May 13 17:24:38 2013 |
Jenne | Update | WienerFiltering | PRM YAW Wiener filtering | I have done a quicky offline Wiener filter
to check how much PRM yaw motion we can subtract
using a seismometer in the corner station. |
|
|
11485
|
Thu Aug 6 21:03:45 2015 |
Ignacio | HowTo | WienerFiltering | How to do online static IIR Wiener filtering | In order to do online static IIR Wiener
filtering one needs to do the following,
1) Get data for FIR Wiener filter |
|
|
11552
|
Tue Sep 1 06:58:11 2015 |
Ignacio | Update | WienerFiltering | MCL FF => WFS1 and WFS2 FF => ARMS FF | I took some
training data during Sunday night/Monday
morning while the MCL MISO FF was turned |
6x |
|
11880
|
Mon Dec 14 16:46:42 2015 |
ericq | Update | WienerFiltering | Noise Subtraction Puzzler | Here's something to ponder.
Our online MCL feedforward uses
perpendicular vertex T240 seismometer signals |
|
|
11918
|
Thu Jan 7 15:29:54 2016 |
ericq | Update | WienerFiltering | Noise Subtraction Puzzler | The puzzle continues...
I found some reference for computing
"multicoherence," which should |
|
|
11933
|
Thu Jan 14 15:08:37 2016 |
ericq | Update | WienerFiltering | Noise Subtraction Puzzler | The anticlimatic resolution to my subtraction
confusion: Spectral leakage around 1Hz. Increasing the
FFT length to 256 sec now shows that the |
|
|
11934
|
Thu Jan 14 18:41:36 2016 |
rana | Update | WienerFiltering | Noise Subtraction Puzzler | Just not just pedagogical ! Freq
domain MISO coherence based subtraction estimation
is much faster than calculating MISO WF. |
|
|
12059
|
Fri Apr 1 13:11:26 2016 |
ericq | Update | WienerFiltering | Bilinear Noise Testing | I've been banging my head against bilinear
noise subtraction, and figured I needed to
test things on some real hardware to see |
|
|
10019
|
Tue Jun 10 11:54:36 2014 |
Zach | Configuration | Wiki | DokuWikis are still down | Not sure if someone is already on this,
but the nodus DokuWikis are still down (AIC,
ATF, Cryo, etc.) |
|
|
10021
|
Tue Jun 10 19:11:27 2014 |
Evan | Configuration | Wiki | DokuWikis are back up | As of this writing, the DokuWiki |
|
|
10022
|
Wed Jun 11 05:16:14 2014 |
Zach | Configuration | Wiki | DokuWikis are back up | It looks like auth is broken on the AIC
wiki (though working fine on ATF and Cryo). |
|
|
10024
|
Wed Jun 11 10:15:15 2014 |
Evan | Configuration | Wiki | DokuWikis are back up |
|
|
|
10029
|
Wed Jun 11 20:09:37 2014 |
Zach | Configuration | Wiki | DokuWiki situation | I have been looking into the DokuWiki
situation, with no great progress so far.
The problem is with authentication. |
|
|
10355
|
Fri Aug 8 16:45:40 2014 |
Nichin | Update | Wiki | PDFR wiki updated | The PDFR system has been documented
in the 40m wiki and all the relevant information
about making changes and keeping it updated |
|
|
10366
|
Mon Aug 11 23:50:38 2014 |
rana | Configuration | Wiki | DokuWikis are back up |
|
|
|
10393
|
Thu Aug 14 20:52:36 2014 |
rana | Update | Wiki | Violin Mode table added to Wiki | Mech
Resonance Wiki
I've updated the wiki by trawling |
|
|
12935
|
Mon Apr 10 15:22:46 2017 |
rana | Configuration | Wiki | DokuWikis are back up | AIC Wiki updated
to latest stable version of DokuWiki: |
|
|
13767
|
Thu Apr 19 09:57:03 2018 |
gautam | Update | Wiki | AP and ETMX tables uploaded to wiki | The most up to date pictures of the AP
table and ETMX table that Steve took have
been uploaded to the relevant |
|
|
13776
|
Fri Apr 20 16:25:08 2018 |
Steve | Update | Wiki | ETMX table layout uploaded to wiki | ETMX
table layout uploaded with beam paths
to the wiki. |
|
|
13785
|
Tue Apr 24 15:59:23 2018 |
Steve | Update | Wiki | AP table layout 20180328 |
Quote:
|
|
|
14173
|
Tue Aug 21 09:16:23 2018 |
Steve | Update | Wiki | AP table layout 20180821 |
|
|
|
15429
|
Wed Jun 24 22:47:21 2020 |
Yehonathan | Update | Wiki | Updated phase maps webpage | I uploaded the new phase maps measurements
made by GariLynn to nodus and updated the
optics phase maps page.
I |
|
|
15614
|
Tue Oct 6 07:37:20 2020 |
yehonathan | Update | Wiki | New TIS measurements of 40m Optics | LiYuan has kindly done some Total Integrating
Sphere (TIS) measurements on ITMU01 and ITMU02.
A summary of the measurement is attached. |
|
|
16614
|
Mon Jan 24 12:33:41 2022 |
rana | Configuration | Wiki | AIC Wiki: txz files allowed | I updated the mime.local.conf file for
the AIC Wiki so as to allow attachments with
the .txz |
|
|
1199
|
Sun Dec 21 13:00:06 2008 |
steve | Update | all down cond. | vac and laser back on | There was a power outage sometimes early Saturday.
All things are down.
|
|
|
2025
|
Tue Sep 29 23:43:49 2009 |
rana | AoG | all down cond. | Cosmic | |
|
|
2344
|
Sun Nov 29 16:56:56 2009 |
rob | AoG | all down cond. | sea of red | Came in, found all front-ends down.
Keyed a bunch of crates, no luck: |
|
|
2345
|
Mon Nov 30 10:28:47 2009 |
Alberto | AoG | all down cond. | sea of red |
|
|
|
2346
|
Mon Nov 30 11:29:40 2009 |
Alberto | AoG | all down cond. | sea of red |
|
|
|
2355
|
Sat Dec 5 14:41:07 2009 |
rob | AoG | all down cond. | sea of red, again | Taking a cue from entry 2346,
I immediately went for the nuclear
option and powered off fb40m. Someone |
|
|
2356
|
Sat Dec 5 15:20:10 2009 |
Jenne | AoG | all down cond. | sea of red, again |
|
|
|
4011
|
Sun Dec 5 22:28:39 2010 |
rana | Summary | all down cond. | power outage | Looks like there was a power outage.
The control room workstations
were all off (except for op440m). Rosalba |
|
|
4012
|
Mon Dec 6 11:53:20 2010 |
josephb, kiwamu | Summary | all down cond. | power outage | The monitors for allegra and rossa's seemed
to be in a weird state after the power outage.
I turned allegra and rossa on, but didn't |
|
|
4013
|
Mon Dec 6 11:57:21 2010 |
Koji | Summary | all down cond. | power outage | I checked the vacuum system and judged
there is no apparent issue.
The chambers and annulus had been |
|