ID |
Date |
Author |
Type |
Category |
Subject |
Text |
 |
|
384
|
Mon Mar 17 18:30:48 2008 |
mevans | Configuration | PEM | Adaptive Filtering | It seems that adaptive filtering can achieve
results similar to those of the MISO FIR
Wiener (entry 369). The adaptive code simulates |
|
|
383
|
Sun Mar 16 17:03:32 2008 |
rob | Configuration | CDS | ASS code change |
I've updated the ass.mdl file in the directory:
|
|
|
382
|
Fri Mar 14 16:56:03 2008 |
Dmass | Bureaucracy | Computers | New 40m control machine. | I priced out a new control machine from Dell
and had Steve buy it.
|
|
|
381
|
Fri Mar 14 15:52:07 2008 |
rob | Configuration | LSC | LSC code change |
I've edited the LSC code to send different
signals to the ASS box. Now, instead of |
|
|
380
|
Fri Mar 14 15:06:24 2008 |
rob | Update | Computer Scripts / Programs | routing PEM -> ASS -> SUS_MCL | [quote]
on ASS RFM 1 has PEM signals at
|
|
|
379
|
Fri Mar 14 14:59:51 2008 |
josephb | Configuration | Cameras | Comparison between GC650 (CCD) and GC750 (CMOS) looking at ETMX | Attached are images taken of ETMX while locked.
The first two are 300,000 microsecond exposure |
|
|
378
|
Fri Mar 14 12:06:29 2008 |
josephb | Configuration | Cameras | GC750 looking at ETMX while locked | The GC750 (CMOS) is currently looking at the
front of ETMX. Unfortunately, its being
routed through a 10Mbit connection (which |
|
|
377
|
Thu Mar 13 18:20:29 2008 |
John | Update | General | New Focus 4003 EOM 29.489MHz | I measured the modulation index as a function
of drive power using an OSA. Agrees well
with spec of 0.2 rad/V.
|
|
|
376
|
Thu Mar 13 13:15:09 2008 |
aivanov | Update | Computer Scripts / Programs | new sfotware intall, backup files | New:
op440m:40m>ls -alt /cvs/cds/caltech/target/c1susvme[12]/*.o
-rw-r--r-- 1 controls staff 57920 |
|
|
375
|
Thu Mar 13 12:11:58 2008 |
aivanov | Update | Computer Scripts / Programs | routing PEM -> ASS -> SUS_MCL |
on ASS RFM 1 has PEM signals at
|
|
|
374
|
Thu Mar 13 03:07:19 2008 |
Lisa | Metaphysics | Environment | Coolness at the 40m | My first (and hopefully not last) week at
the [COLOR=orange]40m lab[/COLOR] is ending
:(
|
|
|
373
|
Thu Mar 13 02:52:06 2008 |
Lisa | Configuration | LSC | Locking with 3f | Today we have tried to use the reflected signal
demodulated at 3*f1 ~ 99 MHz ([COLOR=chocolate][B]REFL31[/B][/COLOR])
for length control.
|
|
|
372
|
Wed Mar 12 23:05:44 2008 |
rana | Update | IOO | MC WFS | they are bad, somewhat
please fix |
|
|
371
|
Wed Mar 12 00:47:26 2008 |
rana | Configuration | PEM | Accelerometer and Seismometer movements | And this is a [COLOR=blue]cool snapshot[/COLOR]
showing how this operation used [B][COLOR=red]16
cores[/COLOR][/B] on [SIZE=5][B][COLOR=purple]menkar |
|
|
370
|
Wed Mar 12 00:40:35 2008 |
rana | Configuration | PEM | Accelerometer and Seismometer movements | Same as above but with 2048 taps and a 128
Hz sample rate. Does much better at the 16
Hz bounce mode. |
|
|
369
|
Wed Mar 12 00:36:52 2008 |
rana | Configuration | PEM | Accelerometer and Seismometer movements | I used the MISO FIR Wiener matlab code to
see how well we might do in principle.
|
|
|
368
|
Tue Mar 11 23:14:01 2008 |
rana | Configuration | PEM | Accelerometer and Seismometer movements | Steve and Matt moved the accelerometers and
seismometers today.
The accelerometers are now placed around |
|
|
367
|
Mon Mar 10 20:46:41 2008 |
John | Configuration | LSC | ETMY Trans PD & QPD | I've placed a 10% reflector in the path from
ETMY to the trans and quadrant photodiodes. |
|
|
366
|
Mon Mar 10 02:05:08 2008 |
rob | Update | Locking | DRMI+2ARMs working better |
Some encouraging progress on the locking
front tonight. After the work on the DRM |
|
|
365
|
Fri Mar 7 19:04:39 2008 |
steve | Omnistructure | PSL | laser pointer | Green laser pointer was found in my desk.
I blamed Rana for not returning it to me
after a conference talk.
|
|
|
364
|
Fri Mar 7 17:10:01 2008 |
Max Jones | Update | Computers | Noise Budget work | Noise budget has been moved to the svn system.
A checked out copy is in the directory caltech.
From now on, I will try to use the work cycle |
|
|
363
|
Fri Mar 7 00:47:54 2008 |
rana | Configuration | PEM | Ranger SS-1 | Yesterday evening around 7:30 PM, I changed
the Ranger seismometer from a
vertical to a horizontal seismometer. To |
|
|
362
|
Thu Mar 6 00:17:37 2008 |
rob | Update | Locking | DD handoff working | Got the DD (double demod) handoff scripts
working tonight, with just the DRMI. So,
now acquisition with the single demod signals |
|
|
361
|
Wed Mar 5 17:35:24 2008 |
rana | Update | IOO | RFAM during MC lock | I used an ezcaservo command to adjust the
offsets for Alberto's StochMon channels.
They [B][COLOR=green]are all
|
|
|
360
|
Wed Mar 5 12:51:48 2008 |
John | Summary | LSC | Initial Ligo Arm finesse versus lambda | I've taken the coating recipes for the initial
ligo arm cavity from Rana's web page (ligo.caltech/edu/~rana/mat/)
and plotted the finesse as a function of |
|
|
359
|
Wed Mar 5 12:35:09 2008 |
John | Summary | Computer Scripts / Programs | Plot photodiode responses in MatLab | A matlab function to plot the responses of
photodiodes. There's still plenty of room
for improvement but it should work for all |
|
|
358
|
Tue Mar 4 23:22:32 2008 |
rob | DAQ | Computers | c1susvme1&2 rebooted |
I found that some channels from c1susvme1
and c1susvme2 were not being recording by |
|
|
357
|
Tue Mar 4 20:14:02 2008 |
rana | Configuration | IOO | MC Alignment | The MC alignment was pretty far off. We were
getting TEM01 mode locks only.
Rather than inspect what happened I just |
|
|
356
|
Tue Mar 4 19:14:09 2008 |
rana | Configuration | CDS | TDS & SVN | [COLOR=purple][I]Matt, Rob, Rana[/I][/COLOR]
[B][COLOR=chocolate]Today we added the TDS |
|
|
355
|
Tue Mar 4 10:08:21 2008 |
rob | Update | Computers | green lights unreliable when c0daqctrl down |
So far I've tried powering off the framebuilder,
power-cycling the RAID (it was showing an |
|
|
354
|
Tue Mar 4 00:42:51 2008 |
rana | Update | Computers | FB0 still down ? | The framebuilder is still down. I tried restarting
the daqd task and resetting the RFM
switch like it says in the Wiki but it still |
|
|
353
|
Mon Mar 3 19:34:40 2008 |
rana | Update | Computers | RFM Network are down | [quote]The CODAQ_RFNETWORK are down, except
C1SUSVME & AWG[/quote]
All of the FE machines were found to be down |
|
|
352
|
Mon Mar 3 13:58:10 2008 |
steve | Update | Computers | RFM Network are down | The CODAQ_RFNETWORK are down, except C1SUSVME
& AWG |
|
|
351
|
Mon Mar 3 09:25:33 2008 |
steve | Update | VAC | rga scan logging is working now | [quote][quote]The rga head and controller
are running fine, but the data logging is
not.[/quote]
|
|
|
349
|
Sun Mar 2 23:43:45 2008 |
rana | HowTo | LSC | PD6 response | John's PD plotting script is superior to all
of the ones we had before; lets make him
post the script so we can all use it.
|
|
|
348
|
Fri Feb 29 13:51:17 2008 |
John | Summary | LSC | PD6 response | I checked the response of PD6 using the AM
laser. It looks happy enough.[IMG]elog:348/1[/IMG]
|
|
|
347
|
Thu Feb 28 19:49:21 2008 |
rob | Update | Electronics | RF Monitor (StocMon) |
[quote]
With Ben, we hooked up the RF Monitor box |
|
|
346
|
Thu Feb 28 19:37:41 2008 |
rob | Configuration | Computers | multiple cameras running and seisBLRMS | [quote]1) Mafalda is now connected via an
orange Cat5E ethernet cord to the gigabit
ethernet switch in rack in the office space. |
|
|
345
|
Thu Feb 28 16:19:37 2008 |
josephb | Configuration | Computers | Mafalda rewired and multiple cameras running | 1) Mafalda is now connected via an orange
Cat5E ethernet cord to the gigabit ethernet
switch in rack in the office space. It |
|
|
344
|
Thu Feb 28 13:04:59 2008 |
rob | Update | VAC | rga logging working again | [quote]The rga head and controller are running
fine, but the data logging is not.[/quote]
|
|
|
343
|
Thu Feb 28 12:31:33 2008 |
rob | Bureaucracy | Computer Scripts / Programs | MDV library does not work at "LINUX 2" | [quote]
While working on Thursday evening with Matlab
scripts "dttfft2" and "get_data", I noticed |
|
|
342
|
Wed Feb 27 22:05:03 2008 |
John | Update | LSC | Auxiliary locking | A summary of the status of the auxiliary arm
locking effort.
|
|
|
341
|
Tue Feb 26 20:24:04 2008 |
Andrey | Summary | TMI | Sorrow | As for that plot of three-dimensional surface,
I indeed was wrong with the axis "Q_ETMX-Q_ITMX"
(I put there wrong string "Q_ITMX-Q_ETMX"). |
|
|
340
|
Sun Feb 24 10:51:58 2008 |
tf | Frogs | Environment | 40m in phdcomics? | [url=http://www.phdcomics.com/comics/archive.php?comicid=977][img]http://www.phdcomics.com/comics/archive/phd021308s.gif[/img][/url] |
|
|
339
|
Fri Feb 22 21:19:38 2008 |
Andrey | Bureaucracy | Computer Scripts / Programs | MDV library does not work at "LINUX 2" |
While working on Thursday evening with Matlab
scripts "dttfft2" and "get_data", I noticed |
|
|
338
|
Fri Feb 22 20:42:44 2008 |
Andrey | Summary | Computer Scripts / Programs | It seems I succeeded in theoretical simulations |
I am pretty happy at this moment.
|
|
|
337
|
Fri Feb 22 16:47:54 2008 |
rob | Update | Electronics | Baloney | Well I guess Rana didn't study too hard at
Professor School, either. If he'd even bothered
to actually read John's entry, he might have |
|
|
336
|
Fri Feb 22 15:16:33 2008 |
Andrey | Update | PEM | ITMX Accelerometer is NOT broken |
As I wrote in message 330, there was a bad
signal from ITMX accelerometer. I have found |
|
|
335
|
Fri Feb 22 14:45:06 2008 |
steve | Update | MOPA | laser power levels |
At the beginning of this 1000 days plot shows
the laser that was running at 22C head temp
|
|
|
334
|
Fri Feb 22 11:13:15 2008 |
rob | Update | Electronics | RF Monitor (StocMon) | [quote] It took some times because the written
procedure to start the chiller is not very
precise.[/quote]
|
|