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1. pntErrVsPlatformMotion
... the computed pointing error for different vertical offsets (.ps) ( .pdf ): . the measured platform height offset and pointing error (.ps) (.pdf ): . ... This gave us a dataset of a pointing run with simultaneous info on the vertical error in the platform position The plots show the measured platform height offset and pointing error (.ps) (.pdf ): . ... The pointed error computed from the height offset matches the measured za error offsets when the platform is offset in height. ...
[ Сохраненная копия ]  Ссылки http://www.naic.edu/~phil/pnt/platMotion/pntErrVsHght.html -- 7.9 Кб -- 18.06.2012
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2. Pointing error budget
Sloan Digital Sky Survey Telescope Technical Note 19970527 Walter Siegmund . ... Pointing Error Budget . ... The interleaved strips and adjacent stripes overlap about 1 arc minute. ... However, a 2-D pointing accuracy of 3 arc seconds RMS leads to acceptibly uniform overlap and minimises the number of cases that require special handling (Table 3). ... A guide fiber bundle diameter of 16.5 arc seconds and a pointing accuracy of 3 arc sec RMS results in 99% initial success in acquiring guide stars. ...
[ Сохраненная копия ]  Ссылки http://www.apo.nmsu.edu/Telescopes/SDSS/eng.papers/19970527_PointErrorBudget/19970527.html -- 12.4 Кб -- 19.05.1998
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3. http://www.stsci.edu/documents/dhb/web/c13_fgserrorV2.fm3.html
... Astrometry with the FGS, by contrast, proceeds in the reverse order; the positions of the individual objects are found first, and then a virtual plate is constructed with the help of data from the guide stars and check stars. ... Corrections based on guide star data are referred to as POSITION mode dejittering , and those based on check star data are called drift corrections . ... The adjustments to the astrometry centroids from this POSITION mode dejittering correction are typically about 1 mas. ...
[ Сохраненная копия ]  Ссылки http://www.stsci.edu/documents/dhb/web/c13_fgserrorV2.fm3.html -- 7.1 Кб -- 17.11.1997
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4. POLIMPLOT (V1.00) --- April99 --- POLIMPLOT (V1.00)
polimplot -- Plot a polarization vector map . ... inpol = "" [name] . Input linear polarization image (in %) to plot. inpopa = "" [name] . Input image for position angle of linear polarization vectors (degrees). poi_err = "" [boolean] . ... Name of corresponding polarization position angle error image (degrees). ... This task is a flexible tool for plotting a polarization vector map from two images of the polarization and the position angle of the polarization vector. ...
[ Сохраненная копия ]  Ссылки http://www.stecf.org/software/IRAFtools/stecf-iraf/impol/polimplot.help.html -- 7.6 Кб -- 06.06.2006
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5. POLIMPLOT (V2.00) --- November00 --- POLIMPLOT (V2.00)
polimplot -- Plot a polarization vector map . ... inpol = "" [name] . Input linear polarization image (in %) to plot. inpopa = "" [name] . Input image for position angle of linear polarization vectors (degrees). poi_err = "" [boolean] . ... Name of corresponding polarization position angle error image (degrees). ... This task is a flexible tool for plotting a polarization vector map from two images of the polarization and the position angle of the polarization vector. ...
[ Сохраненная копия ]  Ссылки http://www.eso.org/~jwalsh/softpol/polimplot.help.html -- 7.6 Кб -- 02.11.2000
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6. Source Positions
Next: Catalog Construction Up: Observations and Analysis Previous: Source Detections . ... It was assumed that the highest signal gives the most likely position of the source. ... Comparing the summed map with the maps from the individual energy ranges, the one which produced the smallest error box was chosen to represent the source position, as long as was greater than 4, a level chosen to reflect a reasonable degree of confidence in the detection. ...
[ Сохраненная копия ]  Ссылки http://www.sao.ru/cats/doc/EGRET2/node7.html -- 9.0 Кб -- 08.05.1998
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7. The AstroStat Slog measurement error
... Posts tagged ?measurement error? ... Measurement error is ? ... This is how statisticians seem to use it, essentially the bias term. ... Category: Astro , Cross-Cultural , Jargon , Stat , Uncertainty | 8 Comments . ... Algorithms arXiv Astro Bad AstroStat Bayesian CHASC Cross-Cultural Data Processing Fitting Frequentist Galaxies gamma-ray High-Energy Imaging Jargon Job Languages MC MCMC Meta Methods Misc News Nuggets Objects Optical Physics Quotes Spectral Stars Stat Timing Uncertainty X-ray . ...
[ Сохраненная копия ]  Ссылки http://hea-www.harvard.edu/AstroStat/slog/groundtruth.info/AstroStat/slog/tag/measurement-error/index.html -- 26.1 Кб -- 01.03.2014
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8. Tracking accuracy
... With the ATCA beam at 3mm being comparatively small ( ), it is possible for tracking errors to be significant. ... In additional poor tuning of the antenna drive systems can sometimes cause poor tracking, particiularly soon after a change in source. ... Tracking errors are caused by flaws in the drive servo system, whereas pointing errors are a sum of tracking errors and errors in the antenna pointing model. ... The task uvflag can be used to flag based upon rms tracking error. ...
[ Сохраненная копия ]  Ссылки http://www.atnf.csiro.au/computing/software/miriad/userguide/node213.html -- 6.3 Кб -- 10.04.2016
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9. Lagrangian Points
... With enough velocity, a spacecraft can break loose from the Earth's gravity and enter an orbit around the Sun, like that of a planet. If it then orbits the Sun with the same period as the Earth--one year--it may keep a fixed position relative to Earth. ... If the distance is just right--about 4 times the distance to the Moon or 1/100 the distance to the Sun--the spacecraft, too, will need just one year to go around the Sun, and will keep its position between the Sun and the Earth. ...
[ Сохраненная копия ]  Ссылки http://www.iki.rssi.ru/mirrors/stern/Education/wlagran.html -- 11.9 Кб -- 21.12.2007
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10. di_eks
... A comparison of the computed and experimental relations F max ( H), as well as comparison of drift scans of point sources across different horizontal cross-sections of the BP with the corresponding computed cross-sections were made. ... The drift scans of the point source 3С84 (H=87 o ) at the wavelength 7.6 cm across the horizontal cross-sections of the BP (black lines) and the computed horizontal cross-sections of the BP corresponding to them (red lines). ...
[ Сохраненная копия ]  Ссылки http://mavr.sao.ru/hq/len/di_eks_e.htm -- 16.9 Кб -- 24.02.2010
[ Сохраненная копия ]  Ссылки http://www.sao.ru/hq/len/di_eks_e.htm -- 16.9 Кб -- 24.02.2010
[ Сохраненная копия ]  Ссылки http://jet.sao.ru/hq/len/di_eks_e.htm -- 16.9 Кб -- 24.02.2010
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11. http://www.gao.spb.ru/english/personal/malkin/publ/zm13r.pdf
Russian Academy of Sciences Pulkovo Observatory On systematic and stochastic errors of radio source position catalogues Zinovy Malkin Pulkovo Observatory and St. Petersburg State University malkin@gao.spb.ru JournИes 2013, Paris, France, September 2013 Topics to discuss The following topics related to the radio source position catalogues are considered: 1. ... A new approach to assess the external stochastic errors of radio source position catalogues has been presented. ...
[ Текст ]  Ссылки http://www.gao.spb.ru/english/personal/malkin/publ/zm13r.pdf -- 855.2 Кб -- 08.11.2013
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12. http://xmm.vilspa.esa.es/sas/6.5.0/doc/newsiam.ps.gz
... Parameter Mand Type Default Constraints siamset yes string /data/cerd/ CCF /ccfdev/packages/xmm- siam /XMM BORESIGHT for siam .matrix0005. CCF DataSet containing the SIAM angles in BoreSight CCF format. (see comments) ry yes oat 0 3600{3600 shift of source in the FOV of the instrument corresponding to a rotation of the space-craft around the Y-axis in arcsec rz yes oat 0 3600{3600 shift of source in the FOV of the ... SIAM matrix, but formatted as a BoreSight constituent. ...
[ Текст ]  Ссылки http://xmm.vilspa.esa.es/sas/6.5.0/doc/newsiam.ps.gz -- 48.4 Кб -- 16.08.2005
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13. Error and Bias in the STSDAS fitting Package
... The fitting package in STSDAS (Space Telescope Science Data Analysis System) relies on two basic techniques (one linear and one non-linear) for fitting functions to data. ... Results show that both methods may generate biased coefficients (at the ~few percent level), and over or under-estimate error bars (at the ~10 percent level), in particular from low signal-to-noise data. ... Function coefficient errors are computed directly from the covariance matrix. ... Abscissa is signal-to-noise. ...
[ Сохраненная копия ]  Ссылки http://www.adass.org/adass/proceedings/adass96/buskoi.html -- 9.9 Кб -- 23.06.1998
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14. Positions and Proper Motions
I/146 Positions and Proper Motions (Roeser+ 1988) ================================================================================ Catalogue of Positions and Proper Motions Roeser S., Bastian U. =1988A .. ... 449R ================================================================================ ADC_Keywords: Positional data; Proper motions Description: PPM North gives J2000 positions and proper motions of 181,731 stars north of -2.5 degrees declination. ... The mean epoch is near 1931. ...
[ Сохраненная копия ]  Ссылки http://vega.inp.nsk.su/catalogs/ppmn-description.php3 -- 9.6 Кб -- 01.10.2012
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15. Measurement Errors
For a sample of 16 people, the error would be 4/16 = 25%. This a large error since the range of YES vs NO is from 0-100% if 12 people answered yes and 4 people answered no then your result would be: . Percentage yes = 75 +/- 25% . ... For a sample fo 1000 people, the error would be SQRT(1000)/1000 = 33/1000 = 3%. If 750 answered yes and 250 answered no then your result would be: . ... Conclusion: Always ask what the measuring errors are!! Previous Lecture Next Lecture Course Page ...
[ Сохраненная копия ]  Ссылки http://zebu.uoregon.edu/1998/es202/l16.html -- 8.6 Кб -- 26.02.1998
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16. 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 ...
[ Сохраненная копия ]  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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17. Izmccd
Download Izmccd (~2.7 MB). ... for 1-5 bytes is number of a numbered minor planet, . ... Positions 1-80 file "mpcreportiz.txt" are similar to positions of file "mpcreport.txt". 83-95 – errors of unit weight, . ... If this tag is " 1 0 " , this record contains results of measurements of an image of object (approximation by "PSF"),  . ... 57-66 – error in X (pixels), for first star in a multicentric image, for subsequent it is error in (distance between first star in the image and this), . ...
[ Сохраненная копия ]  Ссылки http://www.izmccd.puldb.ru/izmccd7e.htm -- 8.1 Кб -- 17.09.2007
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18. S.P.Korolev RSC Energia - ECOLOGICAL MONITORING
AUTOMATIC STATION OF ECOLOGICAL CONTROL . ... BASIC PERFORMANCE SPECIFICATION . STATE OF ASEC DEVELOPMENT . AIR POLLUTION MONITORING . ... OF MEASURING CHANNELS . ... unit of measurement . ... Nitric oxide (NO) concentration, . ... power measured by ASEC . ... In particular, RSC Energia finalizes its work on measurement systems designed to measure dust, volumetric activity of radioactive gases and aerosols and other environmental parameters. ... Official WEB-site of S.P.Korolev RSC Energia . ...
[ Сохраненная копия ]  Ссылки http://www.energia.ru/eng/conversion/ecology/metrology.html -- 14.2 Кб -- 02.10.2012
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19. Observations and Data Reduction
Next: Results & Discussion Up: Coronal Hole Diagnostics out Previous: Introduction . ... The dates of the observations discussed here, their locations, pointing, slit sizes and exposure times are given in BTDW. ... Line fits are given by the dotted line. ... An estimation of the errors in the derived parameters was obtained using the GA-derived parameters as an input for a ``classical'' IDL-CURVEFIT procedure (Peter, 1999; Peter & Judge, 1999). ...
[ Сохраненная копия ]  Ссылки http://star.arm.ac.uk/~ambn/312/node2.html -- 7.8 Кб -- 02.06.1999
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20. Custom Error Responses - Apache HTTP Server
... Apache HTTP Server Version 2.4 . ... Although the Apache HTTP Server provides generic error responses in the event of 4xx or 5xx HTTP status codes, these responses are rather stark, uninformative, and can be intimidating to site users. ... Additionally, a set of values are provided, so that the error document can be customized further based on the values of these variables, using Server Side Includes . ... Customizing Error Responses . ... ErrorDocument 500 http://error.example.com/server_error.html...
[ Сохраненная копия ]  Ссылки http://www.arcetri.astro.it/manual/fr/custom-error.html -- 14.4 Кб -- 19.11.2015
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