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1. Artifacts
... Figure: A dark current CCD exposure with cosmic ray events which are removed with non--linear filters. ... Figure shows a CCD dark current exposure with cosmic ray events. ... Figure: Removal of cosmic ray events on a CCD spectral exposure with different techniques: (A) original, (B) median filter, (C) recursive filter and (D) stack comparison. ... For comparison with non--linear filter techniques, Figure D shows removal of cosmic ray events from the spectral frame discussed above. ...
[ Сохраненная копия ]  Ссылки http://www.sao.ru/precise/Midas_doc/doc/95NOV/vol2/node17.html -- 10.0 Кб -- 23.02.1996
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2. Atmospheric influence on the different radioengineering systems functioning.
Atmospheric influence on the different radio-engineering system functioning . ESTIMATION OF ATMOSPHERIC OPTICAL CHARACTERISTICS AND REMOTELY SANSED IMAGE CORRECTION . ... Direct transmittance estimation results for 12 channels of the spectrometer CHRIS. ... We have managed to develop a direct method of estimating the discrete Normalized Atmospheric Point Spread Function (NAPSF) from available images alone, not using any external sources of information about the atmosphere. ... IRE RAS 1996-20 11 ...
[ Сохраненная копия ]  Ссылки http://www.cplire.ru/html/atm/correction.html -- 19.8 Кб -- 18.10.2011
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3. Procedure
... Colour transformations are supplied only for the three visual bandpass filter (U, B, V). ... compute the colour term (mag1-mag2) in the instrumental system . select the applicable colour transformation . ... the correct branch of the colour transformation is selected: . match the value of the optional parameter branch (if not set the default value 0 is used) to the value in the column BRANCH of the CCF COLOURMAG extension. the correct interval of the colour transformation is selected: . ...
[ Сохраненная копия ]  Ссылки http://xmm.vilspa.esa.es/calibration/documentation/CALHB/node560.html -- 13.0 Кб -- 20.09.2011
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4. Introduction
Optical Filters . ... In addition to the above complement of broad and narrow-band filters, WFPC2 features a set of three specialized quadrant (quad or Q) filters in which each quadrant corresponds to a facet of the pyramid, and therefore to a distinct camera relay. ... In Table 3.1 and Table 3.2 , each of the type "A" filters is equivalent to inserting 5 mm of quartz in terms of optical path length, with compensation for wavelength such that focus is maintained on the CCDs. ...
[ Сохраненная копия ]  Ссылки http://www.stsci.edu/instrument-news/handbooks/wfpc2/W2_23.html -- 8.7 Кб -- 24.07.1996
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5. http://star.arm.ac.uk/~csj/idl/IDL_primitives.html
extract equivalent widths ew(t) from 2d spectrum f(w,t) compute equivalent widths from normalized spectra smooth a function with a gaussian filter compute a gaussian filter for applying to a FFT calulate moments of a line profile compute periodogram dft(frq) from a light curve f(t). Use CLEAN if clean_mode = 1. fit a parabola fit(xv) to an arbitrary function yv(xv) evaluates a sine function on a given x-array
[ Сохраненная копия ]  Ссылки http://star.arm.ac.uk/~csj/idl/IDL_primitives.html -- 2.0 Кб -- 22.08.2007
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6. Recognition of Anomalous Events
... Previous: A Posteriori Guidance for Astronomical Images . ... We present an original algorithm for the recognition of anomalous events in a CCD frame (i.e., cosmic hits, bad pixels etc.) The algorithm is able to distinguish between these events and real features by comparing the standard deviation and the kurtosis of a synthetic PSF, whose width is given by the user, and the corresponding values in a running window, whose size is chosen by the user, in the actual frame. ...
[ Сохраненная копия ]  Ссылки http://www.stecf.org/conferences/adass/adassVII/monais.html -- 10.0 Кб -- 12.06.2006
[ Сохраненная копия ]  Ссылки http://www.adass.org/adass/proceedings/adass97/monais.html -- 10.0 Кб -- 15.05.1998
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7. *qplintran* -- Apply linear transformation to a qp file through filter
... Transforms a qpoe file according to the specified parameters. ... Any type of filtering can be applied to the input qpoe file, including region filtering. In addition, the size of the output event record can be different from the size of the input event record. Of course, usually one makes the output record equal to or smaller than the input. If the output record size is made greater than the input record, a warning is issued and the ``extra'' part of the record is undefined.) ...
[ Сохраненная копия ]  Ссылки http://hea-www.harvard.edu/PROS/PUG/node52.html -- 6.2 Кб -- 01.10.2012
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8. Visiting with an Old and Active Friend (ESO PR Photos 07a-b/01)
... ESO PR Photo 07a/01 . ... ESO PR Photo 07b/01 . ... Caption : PR Photo 07a/01 shows Comet Hale-Bopp , still active at a distance of nearly 2,000 million kilometres from the Sun. ... This is quite unusual for a comet and is clearly confirmed on the present photo ( PR Photo 07a/01 ) from the WFI camera on the MPG/ESO 2.2-m telescope at La Silla, obtained a few days ago. ... ESO-Chile . ... ESO PR Photos 07a-b/01 may be reproduced, if credit is given to the European Southern Observatory (ESO). ...
[ Сохраненная копия ]  Ссылки http://www.eso.org/~ohainaut/nice/hb_2001mar.html -- 13.0 Кб -- 07.03.2001
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9. krot
Next: kview and kubes: displaying Up: Volume Rendering a Cube Previous: xray . krot is a program to do volume rendering of a data cube. ... kubes can handle two data sets and this implies that one can look at the original data while also looking at the rendered images made by krot . ... Specifying Levels to 0 the original unfiltered data cube is rendered, but with noise clipping applied. filter clip љ This specifies the clip level to be applied to the wavelet planes, in units of the noise level. ...
[ Сохраненная копия ]  Ссылки http://www.atnf.csiro.au/computing/software/visualisation/node7.html -- 17.3 Кб -- 02.10.2012
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10. Untitled Document
The types of respirators in use at APO are half-face, full face, and mask-style filter types. ... These respirators DO NOT supply oxygen. ... The observatory does not maintain Self Contained Breathing Apparatus (SCBA) for use and, consequently, materials that require them cannot be used. ... Whenever possible chose adequate ventilation over using a respirator. ... Oxygen monitors used for confined spaces may be used to monitor oxygen levels where respirators are required. ...
[ Сохраненная копия ]  Ссылки http://www.apo.nmsu.edu/Site/usersguide/SafetyPlan/06SafeSec14.html -- 9.8 Кб -- 21.05.2009
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11. Original Xiaomi Mi Position Activated Carbon Filter Кардиган длинный
... Original Xiaomi Mi Position Activated Carbon Filter . Brand: Xiaomi . ... Package Contents: 1 x Original Xiaomi Mi Position Activated Carbon Filter . Цвет: узор черный/экрю . ... Цвет: серебристый . ... Цвет: серый . ... Пол: Женский . ... Цвет: Синий . ... Пол: Для девочки . ... Джинсовая куртка темно-синего цвета марки MAYORAL для девочек. ... Цвет: белый . ... Цвет: Черный . ... Пол: Мужской . ...
[ Сохраненная копия ]  Ссылки http://astrokuban.info/astroku6533.html -- 25.4 Кб -- 14.02.2016
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12. high resolution decimation test
... Overplot the 20 bandpasses normalized to 1 sec (.ps) ( .pdf ): . ... Mean power, voltage, and spectral jumps vs decimation (.ps) ( .pdf ) . ... The mock spectrometer has a high resolution mode that will digitally filter the input bandwidth from 2 to 1024 in steps of 1. ... For each decimation, the input rms levels was to so that 30 counts=1 sigma. ... The plots show the results of the test: . ... Top mean power vs decimation normalized to the mean power with no decimation (dec=1). ... No decimation ...
[ Сохраненная копия ]  Ссылки http://www.naic.edu/~phil/hardware/pdev/decimationTest_20may10.html -- 7.6 Кб -- 24.05.2010
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13. Filters - Apache HTTP Server
... Apache HTTP Server Version 2.2 . ... This document describes the use of filters in Apache. ... The Filter Chain is available in Apache 2.0 and higher, and enables applications to process incoming and outgoing data in a highly flexible and configurable manner, regardless of where the data comes from. ... A wider range of applications are implemented by third-party filter modules available from modules.apache.org and elsewhere. ... There are two ways to use filtering: Simple and Dynamic. ...
[ Сохраненная копия ]  Ссылки http://www.arcetri.astro.it/manual/de/filter.html -- 13.5 Кб -- 21.01.2013
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14. Feature enhancement: normalizing
Next: Feature enhancement: local Up: No Title Previous: Feature enhancement: filtering . ... As a result, a common magnitude scale (contour lines on the maps above, or color scale on Fig.1) will poorly display the short-duration events in a signal. Normalizing each line of the map (fixed duration) so it has unit variance (in effect dividing the energy map by the mean energy spectrum) at each duration restores more details of small-scale activity (Fig. ...
[ Сохраненная копия ]  Ссылки http://crydee.sai.msu.ru/~vab/Wavelet.rsc/Tutor.dir/node20.html -- 3.2 Кб -- 12.04.1998
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15. http://www.stecf.org/conferences/adass/adassVII/reprints/monais.ps.gz
... Recognition of Anomalous Events S. Monai 1,2 and F.Pasian 2 1 Osservatorio Astronomico di Brera Merate, Italy 2 Osservatorio Astronomico di Trieste, Italy Abstract. We present an original algorithm for the recognition of anomalous events in a CCD frame (i.e., cosmic hits, bad pixels etc.) ... Raw images, as read from a CCD, are often a#ected by some events which are revealed by anomalous pixel values, i.e., single saturated pixels or pixels at zero intensity (also named hot or bad pixels). ...
[ Текст ]  Ссылки http://www.stecf.org/conferences/adass/adassVII/reprints/monais.ps.gz -- 98.5 Кб -- 12.06.2006
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16. Zen: Tsearch2WhatsNew
... Index . ... Online version of this document is available from http://www.sai.msu.su/~megera/oddmuse/index.cgi/Tsearch2WhatsNew . ... Query rewriting support . Extents based ranking function (rank_cd) now supports complex logical operators in queries and different weights of class lexemes. ... Filtering: contrib_regression=# select rewrite( ARRAY[query, keyword, sample] ) from test_tsquery, to_tsquery('default', 'moscow') as query where keyword ~ query; rewrite --------------------- 'moskva' | ...
[ Сохраненная копия ]  Ссылки http://www.sai.msu.su/~megera/wiki/Tsearch2WhatsNew -- 13.9 Кб -- 10.04.2016
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17. ASP: Eclipse Watching: Making a Solar Filter
adapted from Observe: Eclipses, published in 1979 by the Astronomical League and "Safe Solar Filters," by B. Ralph Chou, Sky and Telescope, August 1981) . ... Tape TWO pieces of film together into a sandwich, and tape this over the opening in the cardboard. ... The cardboard frame will act as a shade from the bright Sun, while you safely observe through the film sandwich. ... Undeveloped film is not safe. ... tape . ... At the end of one of the tubes, tape the aluminum foil, and make a tiny pinhole. ...
[ Сохраненная копия ]  Ссылки http://www.astrosociety.org/edu/publications/tnl/41/filter.html -- 10.0 Кб -- 02.10.2012
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18. VISTA ETC - Exposure Time Calculator
... Exposure Time Calculator (ETC) . ... ESO - Public Surveys . ... the recommended values to use for DIT, . ... Detector on-chip integration (DIT): seconds. to your chosen value - a separate page gives recommended values to use for DIT - for modes 1 and 2 below you may wish to start with the maximum recommended values as these will minimize the effect of read noise (a total object exposure of Y secs with DIT=X secs will produce Y/X lots of read noise) and give you a lower limit on the time needed. ...
[ Сохраненная копия ]  Ссылки http://www.vista.ac.uk/observing/etc/index.html -- 15.1 Кб -- 28.03.2013
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19. Meade Series 4000 Broadband Nebular Filters
... Meade Series 4000 Nebular Filters incorporate the very latest in interference coatings technology. ... Technical Basis of the Meade Broadband Nebular Filter: As shown in the transmission graph below, the Meade Broadband Nebular Filter strongly rejects the light of sodium- and mercury-vapor lights as well as natural airglow and auroral emissions. ... Meade Series 4000 Narrowband Nebular Filters . ... Meade Series 4000 Oxygen-III Nebular Filters . ... Meade Series 4000 Photo-Visual Color Filters . ...
[ Сохраненная копия ]  Ссылки http://www.meade.com/catalog/meade_4000/meade_series_4000_nebular_filters.htm -- 29.2 Кб -- 06.10.2007
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20. Description of algorithm
... The procedure of radiometer signal integration can be considered as a sort of reducing dimension of the initial sampling space, where the samples are the result of analog-to-digital conversion. ... The probability distribution of the signal and spikes is completely known. ... The quality of the considered algorithm could be also illustrated by Figure 2 . ... One could see the considered adaptive algorithm is preferable even by low degree of compression, because all spikes have been depressed. ...
[ Сохраненная копия ]  Ссылки http://mavr.sao.ru/hq/vch/Publications/Eng/html/NN/node2.html -- 11.5 Кб -- 28.12.2007
[ Сохраненная копия ]  Ссылки http://www.sao.ru/hq/vch/Publications/Eng/html/NN/node2.html -- 11.5 Кб -- 11.09.2010
[ Сохраненная копия ]  Ссылки http://jet.sao.ru/hq/vch/Publications/Eng/html/NN/node2.html -- 11.5 Кб -- 02.10.2012
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