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http://xmm.vilspa.esa.es/sas/8.0.0/doc/arfgen/node7.html.
http://xmm.vilspa.esa.es/sas/8.0.0/doc/arfgen/node7.html.
1. Example 1: Point source
... arfgen (arfgen-1.73.3) [?? Meta Index / Home Page / Usage and Examples Here is a typical example of running arfgen based on a spectrum of a point source: . arfgen spectrumset=spectrum.ds detmaptype=psf . ... The effective area, filter transmission and quantum efficiency curve are included in the ARF. ... Corrections are applied for any CCD gaps or source region area falling outside the field-of-view or observing window but not for bad pixels or bad columns. ...
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Ссылки http://xmm.vilspa.esa.es/sas/7.1.0/doc/arfgen/node7.html -- 4.1 Кб -- 15.11.2007
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2. CMOS tutorial-radiation
... Anticipated Radiation Effects . ... Various radiation effects can be anticipated, based on similarities to other CMOS devices. ... Total dose radiation effects in CMOS devices can be divided into two broad classes: charge trapping and interface state generation. ... When interface states are located in a depletion region, they act as sources of dark current. Increased dark current is expected to be the dominant radiation effect in active pixel sensors, leading to increased shot noise. ...
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Ссылки http://www.sao.ru/drabek/CCDP/TUTORIAL/CMOS/tutorial-CMOS-radiation.htm -- 9.9 Кб -- 12.11.1998
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3. The Previous vs. Current Generation: WF/PC-1 vs. WFPC2
... For historical reasons, it is useful to offer comparisons between the current WFPC2, and its predecessor WF/PC-1, which was returned to Earth in December 1993. Field format: WF/PC-1 contained 8 cameras and CCDs, each CCD having 800 x 800 pixels. ... Many differences derive from the fact that the WF/PC-1 CCDs were thinned, backside illuminated devices whereas the WFPC2 CCDs are thick, frontside illuminated devices. WF/PC-1 CCDs were thinned and backside illuminated. ...
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Ссылки http://www.stsci.edu/instrument-news/handbooks/wfpc2/W2_6.html -- 8.7 Кб -- 24.07.1996
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4. Making a Fake Observation
... The Miriad task uvgen can be used to simulate a variety of observing modes. ... Simulating a telescope approximately, let alone in some detail, requires a good many parameters. uvgen takes an appreciable number of parameters and input files to describe the telescope, correlator and source. Fortunately keyword and set-up files for some common situations exist ( e.g. simulating the ATCA and VLA). ... For example, to load typical parameters for the ATCA, use miriad% source $MIRCAT/uvgen.def.atca . ...
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Ссылки http://www.atnf.csiro.au/computing/software/miriad/userguide/node56.html -- 12.7 Кб -- 10.04.2016
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5. Simulating Atmospheric Phase Errors, Phase Correction and the Impact on ALMA
... ALMA . ... OOF software . ... Software . ... We present a framework for modelling atmospheric phase errors and their correction by both the fast-switching and water vapour radiometeric techniques. Notable features are simulating three dimensional turbulent volumes instead of flat phase screens, considering three representative configurations of ALMA and parametrisation in terms of phase fluctuations on a 300m baseline, allowing referencing to the site-testing interferometer data. ...
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Ссылки http://www.mrao.cam.ac.uk/~bn204/mk2/alma/memo-turb.html -- 13.7 Кб -- 25.11.2009
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6. http://hea-www.harvard.edu/AstroStat/etc/CCW2007_109_drkeijmsv.pdf
Monte Carlo Methods for Including Calibration Uncertainties in Model Fitting Analyses Jeremy J. Drakea , Peter Ratzlaffa , Vinay Kashyapa , Richard Edgara , Rima Izemb , Diab Jeriusa , Herman ... University, Cambridge, MA 02138 MIT Kavli Institute for Astrophysics and Space Research, Cambridge, MA 02139 b c SUMMARY · Instrument response uncertainties almost universally ignored in astrophysical X-ray ... Limiting accuracy of Chandra ACIS reached in spectra with 10 4 counts. ...
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Ссылки http://hea-www.harvard.edu/AstroStat/etc/CCW2007_109_drkeijmsv.pdf -- 1178.6 Кб -- 30.10.2007
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7. EMIC waves [Oulu]
... Energetic magnetospheric ions are often unstable to the electromagnetic ion cyclotron (EMIC) instability . ... generation of EMIC waves below the proton gyrofrequency , and . ... Depending on the local proton gyrofrequency, the frequency of the EMIC waves varies: in the magnetosphere we deal with the ULF range (more precisely 0.1-5 Hz), while in the auroral field lines we have ELF waves (tens or hundreds of Hz; see radio frequencies and flickering aurora ). ... Space Physics Text Book of Oulu ...
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Ссылки http://www.iki.rssi.ru/magbase/REFMAN/SPPHTEXT/emic.html -- 7.6 Кб -- 13.05.2001
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8. A New PROS Task for Calculating HRI Source Intensities or Upper Limits
... Next: The PROS Big Up: Software Systems Previous: Data Reduction Software . ... The srcinten task provides PROS users with a tool to compute count rates for point sources in the ROSAT High Resolution Imager (HRI). ... Corrected upper limits are cited at locations where the count rate falls below the source detection threshold. ... Srcinten is a new PROS task that computes and applies the above correction factors to the net counts in a user-specified aperture. ...
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Ссылки http://www.adass.org/adass/proceedings/adass94/chenj.html -- 11.4 Кб -- 03.11.2000
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9. GOCG Pre-Observation Products
Next: Navigation Pre-Observation Products . ... SRT (Space Radio Telescope) Schedule (SRS) File . ... What: GOCG generates the Space Radio Telescope (SRT) schedule file, or SRS file, from current GSTS file. The SRS file has more precise time stamps than long-term schedules, and also designates which GTS will be used when. ... The SRS file also serves as the antenna pointing schedule file, as it describes the planned orientation of the spacecraft (and solar panels) as a function of time. ...
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Ссылки http://www.asc.rssi.ru/RadioAstron/documents/rmoh/eng/gocgpre.htm -- 8.4 Кб -- 16.05.2001
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10. The ALMA project
An improved correlator for ALMA has been proposed by an European consortium including Astron (NL), Bordeaux University (FR), IRAM (FR) and Arcetri. ... The work in Arcetri has focused on the efficent design of a digital receiver, that exploits the peculiarities of the astronomical signal, i.e. the extremely coarse quantization and the stochastic nature of the input signal. ... A complex mixer followed by a two stage bandpass filter. ... Phase effects in a hybrid correlator . ...
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Ссылки http://www.arcetri.astro.it/science/Radio/alma/digfilt.html -- 6.2 Кб -- 25.02.2010
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11. http://www.iki.rssi.ru/conf/mss09/MSS-09_files/pap-eng-2.doc
... We study in this paper the effect of shock excitation of leaky and surface modes by the p-polarized electromagnetic wave incident on the rapidly ionized gaseous or solid layer. ... For example, if [pic] (solid density, multiple ionized plasma), the basic frequency [pic], [pic], [pic] we find, that the wavelength of leaky wave [pic] is in soft x rays band. ... If [pic] (low density gaseous plasma), the basic frequency [pic], [pic], [pic] we find, that the wavelength of leaky wave [pic] is in THz band...
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Ссылки http://www.iki.rssi.ru/conf/mss09/MSS-09_files/pap-eng-2.doc -- 187.0 Кб -- 26.06.2009
[ Текст ] Ссылки http://www.cosmos.ru/conf/mss09/MSS-09_files/pap-eng-2.doc -- 187.0 Кб -- 26.06.2009
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[ Текст ] Ссылки http://www.cosmos.ru/conf/mss09/MSS-09_files/pap-eng-2.doc -- 187.0 Кб -- 26.06.2009
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12. Effective temperatures
. Next: Diameters Up: Stellar parameters from calibrations Previous: Gravities Contents . Temperatures of stars are derived from their spectral type and luminosity class. Calibrations are stored in files spec_par.V, spec_par.IV, spec_par.III, spec_par.II, spec_par.I in oyster/starbase . teff_stars Compute effective temperature for all stars in startable. teff_star ( spectrum _char ) Function. Return effective temperature for star with specified spectrum. Christian Hummel 2015-04-28
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Ссылки http://www.eso.org/~chummel/oyster/manual/node116.html -- 3.5 Кб -- 28.04.2015
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13. http://www.naic.edu/~rfiuser/smarg-cleanup.html
Both gripes from users and continued spectrum monitoring initiate in-house and off-site searches for the source of Radio Frequency Interference. The digital equipment used in various backends, frequency synthesizers at different mixing stages of the IF/LO, electric motors, video cameras used for safety-status monitoring, on-site vehicles, displays at the Visitor Center could in principle cause internally generated RFI. ... Summer 97 project of Francisco (to be linked) . ...
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Ссылки http://www.naic.edu/~rfiuser/smarg-cleanup.html -- 2.2 Кб -- 09.10.2000
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14. http://www.ssau.ru/files/science/conferences/itnt2015/itnt_2015_70.pdf
TOOLS OF TEST GENERATION FOR SATELLITES CONTROL PROGRAMS Andrey Tyugashev, Ekaterina Myasnikova, Elena Sopchenko S.P. Korolyov Samara State Aerospace University (National Reseach University) The paper presents a research in the field of test automation for testing spacecraft control programs. ... Programmers or designers of spacecraft systems write tests manually. ... Tests are carried out by issuing the control actions on the spacecraft and condition monitoring systems parameters of the spacecraft. ...
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Ссылки http://www.ssau.ru/files/science/conferences/itnt2015/itnt_2015_70.pdf -- 161.6 Кб -- 04.08.2015
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15. Cosmological Gene project
In the PROJECT we are using the following peculiar . features of RATAN-600 . ... Brightness temperature sensitivity being equal to the antenna temperature sensitivity .. ... Receiver system .. ... Using aperture averaging effect. dual- beam and dual (multi-) frequency filtration, we demonstrated full filtration of the atmosphere noise down to the receiver noise at all scales of acoustics peaks ( Fig.1 , Fig 2 ). ... We select this frequency as the central one in our project. ... Antenna surface . ...
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Ссылки http://mavr.sao.ru/hq/CG/anten.htm -- 13.4 Кб -- 24.02.2010
[ Сохраненная копия ] Ссылки http://www.sao.ru/hq/CG/anten.htm -- 13.4 Кб -- 24.02.2010
[ Сохраненная копия ] Ссылки http://jet.sao.ru/hq/CG/anten.htm -- 13.4 Кб -- 24.02.2010
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[ Сохраненная копия ] Ссылки http://www.sao.ru/hq/CG/anten.htm -- 13.4 Кб -- 24.02.2010
[ Сохраненная копия ] Ссылки http://jet.sao.ru/hq/CG/anten.htm -- 13.4 Кб -- 24.02.2010
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16. http://www.mccme.ru/tg2007/talks/Zhukavets.pdf
N. Zhukavets Faculty of Electrical Engineering, Czech Technical University in Prague Prague, Czech Republic natalia@math.feld.cvut.cz Free Malcev and alternative sup eralgebras on one o dd generator (Joint work with I.Shestakov.) ... 5] I. Shestakov, N. Zhukavets: The Malcev Poisson superalgebra of the free Malcev superalgebra on one odd generator, J. Algebra and its Applications, 5(4) (2006), 521535. ... 7] I. Shestakov, N. Zhukavets: The free alternative superalgebra on one odd generator, Internat. ...
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Ссылки http://www.mccme.ru/tg2007/talks/Zhukavets.pdf -- 70.3 Кб -- 27.11.2007
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17. Keywords_70
The new generation radio interferometer . ... 5000 km on the basis of square kilometer phased arrays. It is shown that this interferometer will have the sensitivity ~ 1 mJy at a frequency 100 MHz. ... VLBI interferometer, Active Galactic Nuclei, cosmology, effective area, sensitivity. ... Для исследований физических условий в активных ядрах галактик и космологических исследований необходимы низкочастотные наблюдения компактных радиоисточников с большой чувствительностью и разрешением. ...
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Ссылки http://www.ipa.nw.ru/PAGE/EDITION/transaction/transaction_ann24/70.htm -- 5.4 Кб -- 09.04.2016
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18. Apache module mod_expires
This module provides for the generation of Expires HTTP headers according to user-specified criteria. ... This module controls the setting of the Expires HTTP header in server responses. The expiration date can set to be relative to either the time the source file was last modified, or to the time of the client access. ... ExpiresByType . ExpiresDefault . The ExpiresDefault and ExpiresByType directives can also be defined in a more readable syntax of the form: . ... Module: mod_expires . ...
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Ссылки http://neptun.sai.msu.su/manual/mod/mod_expires.html -- 10.9 Кб -- 25.01.2002
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19. Visual effects
previous next contents properties index . Contents . 11.1 Overflow and clipping . 11.1.1 Overflow: the 'overflow' property . ... Generally, the content of a block box is confined to the content edges of the box. ... This may happen when an element's 'width' property has a value that causes the generated block box to spill over sides of the containing block. ... Specifying a small clipping region may cause clipping of otherwise visible contents. 'overflow' . Value: . ... visual . ...
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Ссылки http://crydee.sai.msu.ru/~vab/html.doc/css2/visufx.html -- 17.8 Кб -- 12.05.1998
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20. Мышь беспроводная Canyon CNE-CMSW1G Gray fashion наручные мужские часы Jacques
... title='Мышь беспроводная Canyon CNE-CMSW1G Gray' border='0' align='left' width='120' style='margin-right: 20px;' hspace='7' vspace='5'/> . title=' fashion наручные мужские часы Jacques Lemans 1-1645i. Коллекция Lugano - Jacques Lemans' border='0' align='left' width='120' style='margin-right: 20px;' hspace='7' vspace='5'/> Кварцевый хронограф. ... Коллекция: Осень-зима 2015/2016 . ... Мужские наручные швейцарские часы в коллекции Infantry Victorinox - Victorinox - Victorinox . ...
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Ссылки http://astrokuban.info/astroku7381.html -- 23.0 Кб -- 14.02.2016
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