... Extensive literature exists on the wavelet transform and its applications (Meyer 1991, Daubechies 1988, Chui 1992, Meyer 1990, Meyer 1992, Ruskai et al. 1992). ... when the wavelet function is defined by . ... The wavelet coefficients provide a mechanism to extract from the residuals at each iteration only the significant structures. ... is the restored image, which does not contain any noise, and is the final residual which does not contain any structure. is our estimation of the noise . ...

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• FOC Image Restoration Using Calculated PSFs on Parallel Architectures

Geomagnetic storms and substorms are a natural hazard similar to hurricanes, floods etc. ... Solar and geomagnetic activity also probably influences the Earth's climate and human health. ... Under southward directed IMF the Earth's magnetosphere is open to input from the solar wind flow. ... Since practical importance of solar wind measurements was recognized, a number of approaches was developed for prediction of the geomagnetic activity basing on the solar wind data. ...

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• STDA files

... We describe image compression based on the pyramidal median transform, introduced as an alternative to the use of a wavelet transform. The use of a multiresolution support allows ``protection'' of astronomical objects in the image. ... We describe an approach to astronomical image compression through noise removal. ... We begin by explaining why transforms other than the wavelet transform are important for astronomical image compression. ... Negative Values. ... The image dimensions were . ...

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• Imaging by an Optimizing Method
• Modern CCD Observations of Moving Celestial Objects: Algorithms and Software
• A New PROS Task for Calculating HRI Source Intensities or Upper Limits

Next: Introduction Up: No Title Previous: References . ... The continuous wavelet transform . ... The discrete wavelet transform . ... Multiresolution Analysis . ... trous algorithm . ... Pyramidal Algorithm with one Wavelet . ... Visualization of the Wavelet Transform . Visualisation of the first class . ... The Wiener-like filtering in the wavelet space . ... Adaptive filtering from the wavelet transform . ... Regularization in the wavelet space . ... TRANSF/WAVE . ... VISUAL/WAVE . ...

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• Deconvolution
• Adaptive filtering from the wavelet transform
• Regularization from significant structures

... For example, precision of the approximation was calculated for Solar system and 47 Uma star system Kepler orbital elements : Jupiter Saturn 9.537 0.0539 Uranus 19.189 0.0473 Neptune 30.070 0.0086 47 Uma b 2.10 0.032 0.10 3.76 5.83 0.89 47 Uma c 3.60 0 ... rad , rad , rad l, rad 0.0228 1.754 4.801 0.328 0.0434 1.983 5.865 5.591 0.0135 1.291 1.685 2.495 0.0309 2.300 4.636 4.673 Kepler elements for Solar ... Estimation accuracy of disturbing function (h1) expansion is presented. ...

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• Pulkovo NEO Page: Estimation of Accuracy of the Observations

Next: Deconvolution with CLEAN Up: Image Deconvolution Previous: Image Deconvolution . ... The convolution theorem states that the Fourier transform of the sampled distribution (the dirty image, ) is equal to the convolution of the Fourier transform of the true source visibility distribution (the true image, I ) and the Fourier transform of the sampling function (the dirty beam, ): . where indicates convolution, and indicates the Fourier transform. ...

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• Time and FITS Files
• Deconvolution and Restoration

... 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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• Introduction
• Determination of atmospheric parameters and calculation of chemical composition

... For each event in the input list, evproject calculates an X and Y coordinate pair. ... These X and Y coordinate values are stored as 4-byte integers in columns of the event list designated by the parameters xcol and ycol . ... The task calculates a nominally average spacecraft attitude (comprising right ascension and declination of the spacecraft -X axis and the position angle of the spacecraft -Z axis) and stores this in the event list header in keywords RA_PNT , DEC_PNT and PA_PNT . ...

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• Algorithm

... The SDSS 2.5-m primary mirror is supported in a manner similar to the Apache Point Observatory 3.5-m telescope primary. ... The axial support is provided by 48 air pistons. The pistons have the same diameter thereby applying equal forces with the same air pressure. ... Each group supports a 120њ sector of the mirror. ... Figure 1: CAD drawing showing the 2.5-m primary mirror and the locations of actuators (green circles) These actuators apply forces (10*cos2 N) to correct astigmatism. ...

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• Plug-plate distortion
• Analysis of temperature measurements
• Plug-plate hole tilt

... We have calculated the binary coalescence rate with time using the ``Scenario Machine'' code, which allows us to simulate evolution of large ensembles of binary stars in an artificial galaxy using a Monte Carlo method (see Lipunov 1992, Lipunov et al 1994, 1995 and references therein). ... The source evolution in a galaxy with given star formation rate is thus calculated as , where is the redshift at the turn-on of star formation, which is the second important parameter of the model. ...

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• Introduction
• Nomenclature
• Results of calculations

THE PARAMETERS INVOLVED IN HAPKE'S MODEL FOR ESTIMATION OF THE COMPOSITION OF THE EJECTA LUNAR TERRAINS. ... In the previous papers we were estimated the surface roughness of the ejecta lunar terrains by means comparison of the local phase function and the average integrated lunar indicatrix. ... The Hapke's theoretical model of the lunar surface reflection. ... For THE PARAMETERS INVOLVED IN HAPKE'S MODEL: S.G. Pugacheva, V.V. Shevchenko a low-albedo lunar surface parameter Bo = 1. ...

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• http://selena.sai.msu.ru/Ber/Publications/ms40/88_Yamashita%20et_al.pdf
• http://selena.sai.msu.ru/Pug/Publications/m44_70_pugacheva.pdf

... title=' Золотое кольцо 01K613066Z - Ювелирное изделие - Ювелирное изделие' border='0' align='left' width='120' style='margin-right: 20px;' hspace='7' vspace='5'/> Кольцо. ... The aim of this book is to add certain new topics to the material of the famous textbook "Statistical physics" by L.D.Landau and E.M.Lifshitz. ... Артикул: PICT53_RED RED Цвет: красный Состав: 100% шелк Параметры изделия: длина 158 см, ширина 9 см Страна дизайна: Италия Страна производства: Италия . ...

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Russian SHAREABLE DATA CENTER Institute of Solar-Terrestial Physics SB RAS . ... The algorithm and appropriate program for decametric radiosignal propagation conditions prediction for paths from 500 to 9000 km have been developed at ISTP SB on the basis of normal wave method (AltyntsevaB.I,Iliyin N.V., Kurkin V.I. and others //Decameters channel simulation on the base of normal wave method . ... Solar activity indices are chosen automatically from the prediction date from the database . ...

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• East Siberian Center for the Earth's Ionosphere Research. VS data on-line
• East Siberian Center for the Earth's Ionosphere Research. Maximum usable

... Tidal influence on each of the galaxies in our sample is quantified by identifying and measuring the distance to the nearest companion, using a photometric technique with good completeness characteristics. ... Massnormalised starformation rates were derived using galaxy stellar masses estimated from zband luminosities Nearest companions were identified using the algorithm illustrated in Figure 1. ... Some of the lowredshift galaxies in our sample with close companions are illustrated in Figure 3. ...

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• http://www.mrao.cam.ac.uk/~bn204/mk2/publications/2009/tpower-v01.pdf
• Introduction to phase correction for ALMA Bojan Nikolic web pages (r. 329)
• ALMA WVR phase correction algorithms and software Bojan Nikolic web pages (r.

... disappearance/eruption of the filament accompanied by a number of large-scale dynamic phenomena (a coronal wave, chain, CME, arcade) Yohkoh/SXT . H-alpha and Yohkoh/SXT . ... SOHO/EIT (DelaboudiniХre et al., 1995) images and movies; . ... Preceding activity SOHO/EIT, 195 A (10-22 UT) (Figure 3) . ... SOHO/EIT, 171 A (Figure 4) MLSO/HAO H-alpha and He I 10830 A (Figure 5) MLSO/HAO, He I 10830 A . ... SOHO/EIT, 171 A (Figure 4) SOHO/EIT (171, 195, 284, 304 A) Dec 29, 1999 (Figure 10) . ...

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... Binary orbits in the acceleration/period plane . Circular Orbits . ... We first present the equations for the period and acceleration of a pulsar in an eccentric binary system as a function of its position in the orbit. ... In Freire, Kramer & Lyne (2001) (from where most of this text and following equations are taken), we describe in more detail how circular binary orbits can be determined from the observed periods and accelerations of the pulsar. ... where is the orbital period of the binary. ...

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• Details of Rotang
• Introduction
• Rotang - IDL procedure for calculating the optimum rotation angle for ALFA

... To create a .inch file from a .con file, startup INCHWORM and then type inchworm inch1 /gemini/npoi/con/2003-03-15.con -dir . ... Then open the file and go to Raw ScanData , double click on sid 1, and go to Edit De-glitch . ... Fix every glitch listed by double-clicking the glitch and then, judging by the plot, the laser which glitched. ... After fixing all glitches, go to Average , (Re)create ScanData , then Calculate By Time , then Calibrate and then Done . ... To exit, go to File Done . ...

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• About PEARL
• OYSTER Lab
• ESO - I am trying to reduce NACO data and found that my FowlerNsamp dark frames

Next: Infrared Data Up: Contents Previous: Optical Photometry . ... For example, one method is to derive the spectral energy distribution (SED) for a target star and compare it to the SED of a dereddened standard star. ... Temperature can be determine via the B - V color (Gilliland 1985): . ... The results produced small extinctions to the background stars of between A and A . ... The most accurate extinction calculation requires both IR and spectral data. Infrared Data . Spectroscopic Data . ...

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• *xflux, hxflux* - Calculation of X-ray Flux
• The AstroStat Slog Python
• The AstroStat Slog ciao

Next: RELATED WORK Up: INTRODUCTION Previous: INTRODUCTION . ... In 1985, Grossman and Paulgrossmann-paul rigorously formulated some of these important ideas in terms of affine canonical coordinate transformations to a coherent space representation. ... In 1989 and early 1990, we formulated the chirplet transform, a multidimensional parameter space whose coordinate axes correspond to the pure parameters of planar affine coordinate transformations in the time-frequency plane. ...

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• INTRODUCTION
• Continuous wavelet transforms
• No Title

Algorithm for calculations of the Voigt function . ... алгоритма расчета профиля Фойгта ! ... функция Фойгта ! текст модуля на языке Паскаль (Delphi) для ее вычисления ! ... github.com...dawson.cpp процедура Хумличека для вычисления функции Фойгта ! ... Humlicek 1979 JQSRT v21 p309 ! ... 2005A+A___442___11F 2006 Tepper-Garcia, MNRAS, v369 p2025 ! 2006MNRAS_369_2025T 2007 Letchworth and Benner, JQSRT, v107 p173 ! ... 2009JQSRT_110__376A 2014 Abrarov and Quine, J. Math. ...

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