Wang-Landau sampling method Wang­Landau method is the random walk in the energy space with a flat histogram. ... If not, accept the new state with probability g(Ek) / g(Ek+1), Otherwise keep the current state unchanged (not-accept). ... MN times, ... f = f1/2, g(E0) = 1 , reset histogram H(E)=0 The algorithm may be stopped with some small value of f.e. f close enough to unity, log f = 10-9 DoS of Ising model Exact - Beale, PRL 76 (1996) 78 DoS g(E) for Ising model 16x16. ...

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Russian SHAREABLE DATA CENTER Institute of Solar-Terrestial Physics SB RAS . ... To improve the quality of ionograms and to carry out on automatic ionogram processing we have developed a special software, which can be arbitraly devided into the following main parts: . ... Ionogram processing software on the basis of image processing; . Interactive ionogram processing software. ... Here we present ionogram samples for different kinds of chirp sounding . ... Capabilities and samples | ...

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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. Databases.

... 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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• fork()

... This paper describes the main algorithms used by the Einstein Level One processing to create the exposure masks and the background maps for Einstein IPC images, and how these algorithms were recreated in the IRAF environment. Our goal was to recreate the algorithms used by the Level One Processing to create exposure masks and background maps for Einstein Image Proportional Counter (IPC) data (cf. sections 2.5 and 2.7 of Harnden et al. ...

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• Non-parametric Algorithms in Data Reduction at RATAN-600
• Modern CCD Observations of Moving Celestial Objects: Algorithms and Software
• Infrared Jitter Imaging Data Reduction: Algorithms and Implementation

... Posts tagged ?signal processing magazine? ... Without signal processing courses, the following equation should be awfully familiar to astronomers of photometry and handling data: . c_k=\int_\Lambda l(\lambda) r(\lambda) f_k(\lambda) \alpha(\lambda) d\lambda +n_k$$ . Terms are in order, camera response (c_k), light source (l), spectral radiance by l (r), filter (f), sensitivity (?), and noise (n_k), where ? ... Or simplified to $$c_k=\int_\Lambda \phi_k (\lambda) r(\lambda) d\lambda +n_k$$ . ...

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• The AstroStat Slog Blog Archive [tutorial] multispectral imaging, a case study
• Rev0, US-Processed Data
• The AstroStat Slog signal processing

... Satellite data ] . ... SMIS IKI RAN has developed the software package which may be used both by owners of acquisition stations and individual users of satellite information. ... AVHRR instrument data processing. ... This enables the users who are not yet qualified in computer methods of satellite data processing, to get a quick start with the software. ... The basic software package enables a user to solve a wide range of tasks (in our server You can find the data processing samples ). ...

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• SMIS IKI RAN (Equipmaent)

Next: Auto quotient Up: ATNF Spectral Analysis Package Previous: Scantable constructor Index . In the following section, a simple data reduction to form a quotient spectrum of a single source is followed. ... Auto quotient . Separate reference and source observations . Time average separate scans . ... Auto-baselining . Average the polarisations . ... Frequency Frame Alignment . Malte Marquarding 2007-08-16 ...

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• Visibility Processing
• CALCULATION tasks
• Spectral Line Processing and FITS files

... The Raw Images . Table 1: List of Viking Orbiter Images of the "Face on Mars" . ... Processing the Face Images . ... In July, 1976, Viking Orbiter 1 was acquiring images of the Cydonia region of Mars as part of the search for potential landing sites for Viking Lander 2. ... Using the height field, it is also possible to view the "Face" from different look directions, by mapping the Viking Orbiter image directly on the the topography and then placing the "viewer" at different locations. ... Mars . ...

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• Page locking (for DMA) and process termination?
• Calvin Hamilton
• Other Programs - Apache HTTP Server

Astronomy Discussion Forums . Forums: . ... Discussion Forums . ... Follow Up . Forum List | Follow Ups | Post Message | ... Login to Post . ... www.astronomy.net . About Astronomy Net | Advertise on Astronomy Net | ... Unless otherwise specified, web site content Copyright 1994-2016 John Huggins All Rights Reserved . Forum posts are Copyright their authors as specified in the heading above the post. "dbHTML," "AstroGuide," "ASTRONOMY.NET" & "VA.NET" . ...

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• IMerge Processing Moon Craters Pictures - an Astronomy Net Astrophotography
• Ether - an Astronomy Net Eyepieces Forum Message
• Vacuum Energy Mediated By Supersymmetry - an Astronomy Net Bigbang Forum...

... 4.4 Imbedding HTML in a Document . In the following discussion of SPECIAL processing
, I will assume that rtftohtml has not been customized. If it has, the text styles used to create special effects may be different. ... Normally, if your RTF document contained the text "<cite>hello</cite>", the translator would output this as: "&lt;cite&gt;hello&lt;/cite&gt;". ... If, however, you want the <cite></cite> to be interpreted as HTML markup, you must format the tags using Hidden and Shadow. ...

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• Displaying information about other user's processes
• Examples of Bourne shell scripts
• Monitoring processes

The database contains references to the papers, data files and links to the Internet resources related to measurements and calculations of the optical constants in the wavelength interval from X-rays to radio domain. ... References to some useful books and reviews on the subject (e.g. the classical handbooks edited by E.D.Palik) and links to Internet collections of optical constants and personal WWW pages with related software were also placed in the database. You have arrived at our welcome page. ...

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• Optical constant database - Level: measurement/paper

... Image created from the following: 120 images of Clear filter, 20 of RGB. each of 60 second subframe. 10 Haplha of 120 second subframe. Combined Red and Halpa to get a red/haplha mean image and then processed normally through CCDStack with finishing process through Photoshop CS 5. ... Copyright (c) Amateur Telescope Makers of Boston, Inc. ...

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Gerry Doyle's homepage . Watch this space!

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• More about shutdowns
• Post-AGB Stars
• EVOLUTION MODELS

... A three-cell test section roughly representative of the primary mirror was provided for this test by the Steward Mirror Lab. ... Additionally, the tests are intended to determine relative airflow vs. pressure drop characteristics for each of the air flow patterns so the results can be evaluated both as a function of flow rate and of pressure drop along the flow path. ... The bottom (top as installed) was cut out so it could close the chamber for heating and be removed for the cooling tests. ...

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• adminproced
• Suggested Exposure Times For Calibration Spectra
• Hardware Controllers

... APL , Southwest Research Institute Explanation: A darkened and mysterious north polar region informally known as Mordor Macula caps this premier high-resolution portrait of Charon, Pluto's largest moon . Captured by New Horizons near its closest approach on July 14, the image data was transmitted to Earth on September 21. The combined blue, red, and infrared data is processed to enhance colors, following variations in surface properties with a resolution of about 2.9 kilometers (1.8 miles). ...

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• Startling Star V838 Mon
• Астронет > Startling Star V838 Mon

... Introduction: In the present work the morphometric parameters for 87 large martian craters [1](with diameters from 411 up to 110 kms) have been determined: depth of a crater, the relation of depth of a crater to diameter (/D), height of a rim ­ h, with the help of profiles constructed on the basis of supervision of space vehicle MGS [2].The comparison with similar morphometric parameters of large lunar craters also is fulfiled. ... 2000) Morphological Calague Of the Craters Of Mars. ...

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• http://selena.sai.msu.ru/Greg/Publications/ms40/81_Ushkin_Michael.pdf
• http://selena.sai.msu.ru/Bus/Publications/LPSC2001a/LPSC2001a.pdf

The Python programs offered here result from the development of methodology for processing image data with high precision, in a flexible command line system useful for astronomical and laboratory image processing. ... Alsvid is efficient in robotic and automated or scripted server processing of astronomical images, and also in interactive command line processing for research and visualization. ... In large part it replaces IRAF and IDL when scripted image processing is required. ...

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• Uses of Class ij.process.ShortProcessor (ImageJ API)
• ExtendedPlugInFilter (ImageJ API)
• ij.process (ImageJ API)

This module provides for server-side imagemap processing. ... Configurable generation of imagemap menus. The lines in the imagemap files can have one of several formats: directive value [x,y ...] . ... The directives can come in any order, but are processed in the order they are found in the imagemap file. base Directive . ... Module: mod_imap . ... Its value is overridden by a default directive within the imagemap file. ... Its value is overridden by a base directive within the imagemap file. ...

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• Running a High-Performance Web Server for BSD
• Apache module mod_log_forensic
• Apache module mod_headers

... Tonight's Sky . ... News . Observing . ... Supernova showered Earth with radioactive debris . ... The double star 54 Leonis, spiral galaxy NGC 3198, and emission nebula NGC 3199 . ... Astronomy for Kids . ... Observing springtime deep-sky objects with a large telescope . ... Supernova simulations reveal new processes . ... Get instant access to subscriber content on Astronomy.com! ... Receive news, sky-event information, observing tips, and more from Astronomy's weekly email newsletter. ...

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• Processing your sketch | Astronomy.com
• Is Mars red because of iron corrosion? If so, what process caused it to occur?
• Do the paths of totality during solar eclipses follow a pattern that repeats

... We can help students grasp the significance of Hubble's extremely keen eye, and learn a bit about angles and math in the process, with the following in-class activity. ... Looking through binoculars or telescopes allows us to magnify a small section of the sky. To measure sizes or distances in that small section, astronomers divide a degree into 60 smaller pieces called arcminutes, and further subdivide minutes into 60 smaller sections called arcseconds. ... 30 feet = . ... 36 seconds . ...

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• ASP's 2012 Annual Meeting
• ASP: Mercury Magazine
• ASP: Star Science in the Autumn Sky