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http://www.ipa.nw.ru/conference/2002/sovet/PS/BATURIN.PS.
http://www.ipa.nw.ru/conference/2002/sovet/PS/BATURIN.PS.
1. Modern CCD Observations of Moving Celestial Objects: Algorithms and Software
... Up: Data Analysis and Processing Techniques . ... Also, a method for quality control of CCD observations is suggested. ... Everyone who observes a celestial object using a CCD detects moving celestial objects as a ``by product''. ... We hope that our investigations may be useful for near-Earth space control and also for searches of the moving celestial objects through analysis of old and new CCD frames obtained at any amateur or professional astronomical observatory. ...
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Ссылки http://www.adass.org/adass/proceedings/adass98/bykovo/ -- 12.3 Кб -- 16.07.1999
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2. 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. ...
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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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[ 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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3. Linear polarization: wavelength dependence
... Fitting the observed dependence includes calculations of the polarization cross-sections averaged over particles orientation and size distribution, their normalization and the comparison of obtained dependencies with Serkowski's curve representing observational data for a chosen star. ... Variations of the polarization factors with wavelength are shown in Fig. 16 for homogeneous spheroidal particles with PF orientation. ... The distinction between prolate and oblate spheroids is also clearly seen. ...
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Ссылки http://www.astro.spbu.ru/DOP/8-GLIB/ASTNOTES/node7.html -- 18.9 Кб -- 19.11.2010
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4. Algorithm
... region (region-6.2.2) [xmmsas_20030110_1802-5.4.1] . ... module region _mod subroutine region get parameters; open source list; foreach source transform celestial coordinates to sky location; calculate initial estimated extraction radius; calculate distance to nearest neighbour ; loop sort sources in ascending order of nearest neighbour separation; initialise array of flags; ; First pass considering just nearest- neighbour pairs foreach source in sorted list if( ...
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Ссылки http://xmm.vilspa.esa.es/sas/5.4.1/doc/region/node8.html -- 5.0 Кб -- 10.01.2003
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5. http://www.ipa.nw.ru/conference/2002/sovet/PS/BYKOVA1.PS
... 8, ``Celestial Mechanics'', 2002 Investigation of stability of NEAs orbital resonance motions by numerical methods L. E. Bykova Tomsk State University, Tomsk, Russia The problem of orbital stability of resonance NearEarth asteroids (NEAs) is considered. Most of NEAs have multiple close approaches to the inner ma jor planets. ... The technique of the investigation of NEAs orbital stability has been devel oped by author on the basis of the construction of possible motion domains (R) of asteroids. ...
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Ссылки http://www.ipa.nw.ru/conference/2002/sovet/PS/BYKOVA1.PS -- 30.6 Кб -- 19.08.2002
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6. Calculation of Evolutionary Tracks
... The evolution of a binary system is considered as a sequence of stages the duration of which are defined by the shortest evolutionary time-scale of one of the binary components (see the list of the evolutionary states of stars in Sections 3 and 4). ... Then the code finds a new stage the binary should transit to, with this stage being determined by the evolutionary states of both components, and calculates it. ... However, one can use the algorithm described above to model their evolution. ...
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Ссылки http://xray.sai.msu.ru/~mystery/articles/review/node38.html -- 4.7 Кб -- 22.02.1997
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7. The INTERBALL Tail PROBE orbital elements
Collection of the orbital elements | ... The errors of the spacecraft motion extrapolation outside the measuring time interval were estimated by using the comparison of SC positions calclulated by the forward integration ( extrapolation method) and backward integration ( interpolation methods). ... The character of these time shift of the ascending nodes ( D Tn) corresponds to the orbiting period errors, which arise during SC motion extrapolation outside the measuring intervals. ... INTERBALL mission ...
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Ссылки http://www.iki.rssi.ru/vprokhor/acctp.htm -- 4.4 Кб -- 27.07.1999
[ Сохраненная копия ] Ссылки http://www.cosmos.ru/vprokhor/acctp.htm -- 4.4 Кб -- 27.07.1999
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[ Сохраненная копия ] Ссылки http://www.cosmos.ru/vprokhor/acctp.htm -- 4.4 Кб -- 27.07.1999
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8. http://www.stsci.edu/instrument-news/handbooks/nicmos/c14_calplan.doc6.html
... The absolute flux calibration of NICMOS will be calculated from observations of standard stars with known flux distributions F( ). ... In order to expand the set of IR standard stars in the appropriate flux range for NICMOS, M. Rieke, R. Thompson, and collaborators at the University of Arizona are making photometric observations of solar-analog stars, which will be used to normalize the solar spectrum to the observed IR magnitudes. ... Relative flux references accurate to 1.5% for standard...
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Ссылки http://www.stsci.edu/instrument-news/handbooks/nicmos/c14_calplan.doc6.html -- 10.7 Кб -- 07.08.1997
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9. http://www.cplire.ru/rus/InformChaosLab/papers/iccsc04d.pdf
INDOOR LOCATION USING ULTAWIDEBAND CHAOTIC RADIO PULSES Andrey A. Dmitriev Institute of RadioEngineering and Electronics, Russian Academy of Sciences, Mokhovaya St. 11-7, K-9, GSP-9, 125009, Moscow, Russia, E-mail: chaos@cplire.ru Abstract The report is devoted to the problem of indoor location using ultrawideband chaotic signals. ... In the receiver the moment of pulse (pack of radio pulses) emission and the duration of chaotic radio pulse are supposed known. The duration of CRP is fixed. ...
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Ссылки http://www.cplire.ru/rus/InformChaosLab/papers/iccsc04d.pdf -- 442.8 Кб -- 14.01.2005
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10. http://crydee.sai.msu.ru/ftproot/pub/local/science/publications/wien.92/wien92.ps.gz
... In this poster we propose a hypothesis that within fixed assumptions about internal physics (opacity, thermodynamics, nuclear reactions) a strict relation between the surface helium abundance and the entropy of the adiabatic part of the convective zone exists for all solar models. This hypothesis is verified with models under simplified physics (ChristensenDalsgaard 1988) and with six evolutionary models computed by ChristensenDalsgaard (1992). ... 1990, ChristensenDalsgaard 1991). ...
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Ссылки http://crydee.sai.msu.ru/ftproot/pub/local/science/publications/wien.92/wien92.ps.gz -- 38.1 Кб -- 29.07.1996
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11. AGES Database Search
... All the parameters provided in this database have been obtained using the the MIRIAD ( Sault et al. 1995 ) task MBSPECT . MBSPECT makes a spectrum of the velocity (or frequency) axis of a cube. The spectrum is beam-weighted, over the width specified, for the other image axes. ... Robust parameters are calculated by using an algorithm which minimises the mean absolute deviation of the flux-weighted velocities. mask= This specifies the x-axis ranges to be excluded from any continuum fit. ...
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Ссылки http://www.naic.edu/~ages/public/glossary.shtml -- 10.0 Кб -- 10.04.2016
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12. The main observational parameters
... Column 1 gives the object name from the Case or Markarian catalogs. ... For Markarian galaxies the errors of coordinates usually lie inside 2'' (Lipovetsky [ 1983 ]). Column 4 gives the eye-estimated apparent blue magnitudes according to the same sources. ... Other names of a galaxy we give in column 7. ... In column 3 we cite the original emission-line code of the galaxy for the strength of [O III ] doublet according to the Case catalog (s - strong, m - medium, w - weak). ...
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Ссылки http://www.sao.ru/precise/Laboratory/Publications/1997/CasePR/node7.html -- 10.4 Кб -- 10.01.1998
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13. http://selena.sai.msu.ru/Kozl/Publications/Houston2005(1).pdf
... Berezhnoy A.A., Kozlova E.A., Shevchenko V.V. Sternberg State Astronomical Institute, Moscow University, Russia, Moscow, Universitetski pr., 13, 199992. katk@sai.msu.ru According to the data from "Lunar Prospector" [1] the areas of high hydrogen content in the lunar south pole region coincide with the areas of such craters as Faustini (87.2є S, 75.8є E), Cabeus (85.2є S, 323є E) and other crates. ... We estimate the total permanently shadowed area in the lunar northern polar region at 28 260,2 km2. ...
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Ссылки http://selena.sai.msu.ru/Kozl/Publications/Houston2005(1).pdf -- 143.1 Кб -- 22.04.2013
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14. Relic radiolines of hydrogen at decimeter and meter wavelength band
... The formation of spectral disturbances of Cosmic Background Radiation (CBR) during the period of hydrogen recombination at redshift is considered. Special attention is paid to the decimeter and meter wavelength band. ... In this paper we will return to the question on the spectral lines caused by recombination of hydrogen discussed by Dubrovich (1975) , in the longer wavelength part of spectrum of the CBR. ... A synthesis of recombination radiolines spectra is divided into several stages. ...
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Ссылки http://www.mrao.cam.ac.uk/yerac/stolyarov/stolyarov.html -- 21.8 Кб -- 08.12.2003
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15. antichnoste
Aristarch is Copernic of Classic World. ... First Aristarch determined the fact for how many times the Sun was father then the Moon and then he compared the Sun and the Moon with the Earth. ... Only the Moon rotates around the Earth. ... Gipparch suggested that the Sun turned around the Earth steady and in circumference but the Earth is displaced according its centre. ... The orbit point in which the Sun is nearer to the Earth Gipparch called perigee and the most remote one he called apogee . ...
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Ссылки http://www.space.vsi.ru/antichnoste.htm -- 6.6 Кб -- 14.10.2000
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16. The Motion of Comets
Comets necessarily obey the same physical laws as every other object. ... If one considers only two bodies -- either the Sun and a planet, or the Sun and a comet -- the smaller body appears to follow an elliptical path or orbit about the Sun, which is at one focus of the ellipse. ... Another quantity that is conserved is called angular momentum. ... Comets simply are bodies which in general have more angular momentum per unit mass than do planets and therefore move in more elongated orbits. ...
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Ссылки http://www.iki.rssi.ru/solar/eng/comet/motion.htm -- 8.0 Кб -- 15.10.1997
[ Сохраненная копия ] Ссылки http://www.arcetri.astro.it/irlab/Astro/solar/eng/comet/motion.htm -- 8.8 Кб -- 15.03.1998
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[ Сохраненная копия ] Ссылки http://www.arcetri.astro.it/irlab/Astro/solar/eng/comet/motion.htm -- 8.8 Кб -- 15.03.1998
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17. East Siberian Center for the Earth's Ionosphere Research. VS data on-line
Russian SHAREABLE DATA CENTER Institute of Solar-Terrestial Physics SB RAS . ... The real-time radiosignals characteristics calculation algorithm from current VS data is carried out according to the following scheme (V.P.Grozov ,G.V.Kotovitch,V.E.Nosov,S.N.Ponomartvhuk, S.V.Pushkarev,L.P.Sergeeva,V.V.Khakhinov. Real time decameters radio systems characteristics calculation by ionosphere vertical sounding data. ... ionogram and calculation results display on monitor; . ...
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Ссылки http://rp.iszf.irk.ru/esceir/lchmen/cur_vzen.htm -- 6.0 Кб -- 02.06.2001
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18. http://www.gao.spb.ru/english/as/j2014/presentations/perepelkin.pdf
Irregular phenomena in the Earth Pole oscillation process and temporal variations of geopotential Valery Bondarenko, Vadim Perepelkin s The observed irregular phenomena in the Earth Pole oscillation process are very variety. ... These phenomena indicated in the IERS data are the "abnormal" fluctuation of the Earth Pole coordinates which owing to changing of the geodynamical parameters gives negative result in interpolation and forecast of the first approximation mathematical model. ... Fig. ...
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Ссылки http://www.gao.spb.ru/english/as/j2014/presentations/perepelkin.pdf -- 900.8 Кб -- 30.10.2014
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19. Equations of Mathematical Physics
There are many ordinary/partial differential equations/systems describing various phenomena in physics, mechanics, chemistry, biology, sociology, etc. ... Prerequisites: 1 semester "Advanced Calculus", 1 semester "Linear Algebra". Optional: 2 semester "Advanced Calculus", 2 semester "Linear Algebra", 1 semester "Functions of Complex Variables", elements of the functional analysis and the ordinary differential equations theory. ... Laplace transform for linear differential equations . ...
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Ссылки http://www.mccme.ru/mathinmoscow/courses/view.php?name=Equations%20of%20Mathematical%20Physics.htm -- 4.5 Кб -- 01.03.2014
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20. Multi-frequency deconvolution - MFCLEAN
Next: Other deconvolution tasks Up: Image Deconvolution Previous: Computation . If you have used multi-frequency synthesis in the imaging stage, you will have to have considered a fly in the ointment - the flux density of the source will vary with frequency (as well as spatially). For detection and low dynamic-range work, mild spectral variation can generally be ignored. ... The Miriad deconvolution task mfclean can be used to avoid this distortion. ...
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Ссылки http://www.atnf.csiro.au/computing/software/miriad/userguide/node121.html -- 14.1 Кб -- 10.04.2016
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