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81. The AstroStat Slog variance
... As discussed in systematic errors, astronomers, like physicists, show their error components in two additive terms; statistical error + systematic error. To explain such decomposition and to make error analysis statistically rigorous, the law of total variance (LTV) seems indispensable. ... MADS] Law of Total Variance? Tags: additive , bias , law of total variance , MADS , mathematical statistics , mean integrated square error , mean square error , MISE , mse , probability theory , variance . ...
[ Сохраненная копия ]  Ссылки http://hea-www.harvard.edu/AstroStat/slog/groundtruth.info/AstroStat/slog/tag/variance/index.html -- 21.9 Кб -- 01.03.2014
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82. RankFilters (ImageJ API)
... FIELD | ... METHOD . ... java.lang.Object ij.plugin.filter.RankFilters . ... public class RankFilters . ... static int . ... This method is called by ImageJ to set the number of calls to run(ip) corresponding to 100% of the progress bar . ... Field Detail public static final int MEAN . ... No checking is done for large values that would lead to excessive computing times. rankType - May be MEAN, MIN, MAX, VARIANCE, or MEDIAN. public static float findNthLowestNumber (float[] buf, int bufLength, int n)...
[ Сохраненная копия ]  Ссылки http://www.astro.louisville.edu/software/astroimagej/imagej/api/ij/plugin/filter/RankFilters.html -- 32.1 Кб -- 02.12.2010
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83. Refined Simplex Method for Data Fitting
... Optical Science Laboratory, Department of Physics and Astronomy, University College London, London, WC1E 6BT, U.K. љ The simplex method, a data fitting method to any type of function, is refined by eliminating a redundant process. The refined method is applied to Zernike polynomials in Cartesian coordinates, which describe an optical surface or wavefront in terms of aberrations. ... Data fitting to Zernike polynomials has mainly been done by the least-squares method (Malacara et al. ...
[ Сохраненная копия ]  Ссылки http://www.adass.org/adass/proceedings/adass96/kimys.html -- 11.0 Кб -- 23.06.1998
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84. Фантастика и фэнтези. Коллекция цитат из фантастических произведений и фильмов
... Фантастические рисунки . ... Фантастика и Фэнтези . ... Здесь, помимо научной фантастики и фэнтези, находится большая коллекция детективов, книг по психологии, религии, астрологии.. ... Лучший сайт в Интернет, специализирующийся на обзорах фантастических телевизионных сериалов и фантастических фильмов. ... Особое внимание уделите коллекции научно-фантастических и фэнтези произведений зарубежных фантастов. ... Фантастические рисунки ] [ Космическая графика ] [ Фантастика и фэнтези ] . ...
[ Сохраненная копия ]  Ссылки http://hyperspace.chat.ru/science&fantasy.htm -- 34.3 Кб -- 09.04.2016
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85. Proxy Climate Indicators Using Tree Ring Widths
... From about ten specimens of each, she has established `chronologies' for four species growing within ten miles of the Observatory, namely: Ash, Beech, Oak and Scots Pine. A preliminary principal component analysis using a technique developed by Dr Ed Cook has given very promising results with about 30% of the variance for Ash and Beech explained by sunshine and temperature and a similar variance for Pine and Oak explained by rainfall. ...
[ Сохраненная копия ]  Ссылки http://star.arm.ac.uk/annrep/annrep2003/node38.html -- 3.7 Кб -- 18.05.2004
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86. Apache module mod_unique_id
This module provides an environment variable with a unique identifier for each request. ... The unique identifier is even unique across multiple machines in a properly configured cluster of machines. ... On Unix machines, Apache creates several children, the children process requests one at a time. ... To distinguish time we will use a Unix timestamp (seconds since January 1, 1970 UTC), and a 16-bit counter. ... The actual ordering of the encoding is: time stamp, IP address, pid, counter. ...
[ Сохраненная копия ]  Ссылки http://neptun.sai.msu.su/manual/mod/mod_unique_id.html -- 11.2 Кб -- 20.06.2002
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87. ARC 3.5m | AGILE
... ARC 3.5m | ... 2.1 Choosing and Exposure Time . 2.2 Choosing the CCD Gain . ... 3.2 Read Times and Read Noise . ... At the slow read rate of 100 KHz to be used for exposure times longer than a few seconds, we determine an average read noise of order 3.7 ? ... Table 2: Exposure time must be greater than the readout time by at least 0.03 s. The Agile CCD camera has two readout amplifiers, one of which is capable of reading at the fast readrate of 1MHz while introducing a read noise of order 7 ? ...
[ Сохраненная копия ]  Ссылки http://www.apo.nmsu.edu/arc35m/Instruments/AGILE/ -- 60.6 Кб -- 24.02.2016
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88. http://site2010.sai.msu.ru/static/doc/VKornilov_site2010.pdf
Sternberg astronomical institute activities on site testing programs review Victor Kornilov comprehensive/characterization/of/astronomical/sites > kislovodsk/russia/2010/october/4-9 > Introduction This presentation responds on our activity in 5 last years only, inspite of that in SAI site testing researches have been started many years ago. ... More detailed discussion is devoted to MASS and DIMM measurements processing, some additional effects which were taken in account in last year. ...
[ Текст ]  Ссылки http://site2010.sai.msu.ru/static/doc/VKornilov_site2010.pdf -- 2488.3 Кб -- 18.10.2010
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89. Урбен Жан Жозеф Леверье
... Новости ? История ? Библиотека ? Форум ? ... Colonization История Великие астрономы прошлого . ... Новости астрономии и . ... Основы астрономии . ... астрономии . ... Для астрономов - . ... Французский астроном Леверье родился в маленьком городке Сен-Ло в Нормандии в семье скромного служащего. ... Немецкий астроном Галле обнаружил новую планету в месте, указанном Леверье. Открытие Нептуна с помощью предвычислений Леверье - одно из крупнейших событий в области теоретической астрономии. ...
[ Сохраненная копия ]  Ссылки http://colonization.narod.ru/history/astronomy_old/levere.html -- 24.4 Кб -- 09.04.2016
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90. http://curl.sai.msu.ru/mass/download/doc/pmt_param_eng.pdf
... 2 Measurement of PMTs counting characteristics and selection of op erating p oint To select the operating point of the PMT, that is the optimal values of the high voltage supply and pulse discrimination threshold, the command run counting=hv value is provided in the program mass. ... Starting with the minimum voltage (say 550 V) run command run counting=550 for the measurement execution. ... It is recommended to take measurements for the set of values of 0.4, 0.6, 0.8, 1.0. ...
[ Текст ]  Ссылки http://curl.sai.msu.ru/mass/download/doc/pmt_param_eng.pdf -- 111.1 Кб -- 12.09.2015
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91. MPFS reduction routines HELP
... Next Routine] [List of Routines] NAME: ADD_HEADER PURPOSE: addition information from FITS-headers MPFS-frames DESCRIPTION: The function computes the total exposure, mean value zenit distance and modified FITS header CALLING SEQUENCE: Result =ADD_HEADER( headers ) CATEGORY: reduction MPFS-data INPUTS: Headers = String array FITS-headers from the MPFS data OUTPUTS: Header = String array containing the header from the FITS file. ... OPTIONAL INPUT KEYWORD PARAMETERS: BEFORE = Keyword string name. ...
[ Сохраненная копия ]  Ссылки http://sn.sai.msu.ru/~sil/mpfshelp/ -- 91.4 Кб -- 24.08.1999
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92. http://www.2dfquasar.org/Papers/2002MNRAS.337..275C.pdf
... 337, 275­292 (2002) The correlation of line strength with luminosity and redshift from composite quasi-stellar object spectra S. M. Croom,1 K. Rhook,1 E. A. Corbett,1 B. J. Boyle,1 H. Netzer,2 N. S. Loaring,3 L ... We measure highly significant Baldwin effects for most broad emission lines (C IV 1549, C III] 1909, Mg II 2798, H ,H ) and show that they are predominantly caused by correlations with luminosity, not redshift. ... The correlations of log W with log(1 + z ) for each line. ...
[ Текст ]  Ссылки http://www.2dfquasar.org/Papers/2002MNRAS.337..275C.pdf -- 831.9 Кб -- 04.03.2004
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93. http://www.aaa.org/EyepieceFiles/aaa/2015_12_December_Eyepiece.pdf
... Journal of the Amateur Astronomers Association of New York December 2015 V olume 64 Number 12; ISSN 0146-7662 Our Solo Sun Stranded without Star Siblings AAA LECTURE SERIES By Rafael Ferreira Double-sun planets like Tatooine from Star Wars are no longer the stuff of science fiction ­ thanks to Kepler. ... Yes, the gravity that you experience on Earth every day is the key component to making stars. ... Disk fragmentation usually occurs for stars with 10 or more solar masses. ...
[ Текст ]  Ссылки http://www.aaa.org/EyepieceFiles/aaa/2015_12_December_Eyepiece.pdf -- 2125.8 Кб -- 07.12.2015
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94. http://www.armaghplanet.com/pdf/Administration/2008-2009-Full-AccountsV7-14-10-09-No-Signatures.pdf
The Armagh Observatory and Planetarium Annual Report and Accounts for 2008/2009 Year Ended 31 March 2009 © Crown Copyright 2009 The text in this document (excluding the Royal Arms and departmental logos) may be reproduced free of charge in any format or medium providing that it is reproduced accurately and not used in a misleading context. The material must be acknowledged as Crown copyright and the title of the document specified. Any enquiries relating to the copyright in this document should be addressed
[ Текст ]  Ссылки http://www.armaghplanet.com/pdf/Administration/2008-2009-Full-AccountsV7-14-10-09-No-Signatures.pdf -- 845.8 Кб -- 20.09.2011
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