Next: The Reconstruction Up: Multiresolution with scaling Previous: Multiresolution with scaling . ... The cut-off frequency is reduced by a factor 2 at each step, allowing a reduction of the number of samples by this factor. The wavelet coefficients at the scale j+1 are: . ... The B-spline functions are compact in this directe space. ... We choose the scaling function which has a profile in the Fourier space: . ... The wavelet transform algorithm with scales is the following one: . ...

... It contains 2 (1 for each polarization) by 4 separate filters that are switch able via the computer. filter 1 is a motor driven tuneable filter covering 1000 to 2000 Mhz with a 2% bandwidth. filter 2 is a ??? . ... An hp34907 dac generates a voltage that corresponds to the requested frequency. ... It steps the filter from 1000 to 2000 Mhz in 25 Mhz steps. ... You now have 41 requested voltages and measured frequencies going from 1000 to 2000 Mhz. ... 20 Mhz) when fit over the 1000 to 2000 Mhz range....

... This information may be for older NA2 filters?? Filters There are 7 filter positions, containing the following filters from Custom Scientific . ... 0 - Bessell R . ... The only filter requiring a focus offset is the ND2 + R filter which will be measured on the sky. ... The red filter attached to the ND2 in position 6 is not the same as the Bessell R. Number 6 is an RG610 red glass filter ( Rolyn 65.1355 ) for the 610 nm cut-on. ... Focus . ... Guider Mechanical Controller (filter and focus) . ...

A computer controlled low light photometer for nightglow observations. Hardware units of portable photometer for low light measurements, especially night glow emission is described. ... Interface card contain three channels of 24 bit counter, 4 channels of 12 bit ADC and the buffer bus for the controlled motors of the altazimuthal fork mounting and filters wheel, the position encoders. ... Where N( ) is output signal photometer generated input light flux F( l ) . ... PMT # . 599 . ...

... omichain (omichain-1.50) [xmmsas_20070708_1801-7.1.0] . ... The omichain then cycles through each filter in the filter list and processes each exposures in the exposure list for that filter. ... First it checks to see if the exposure is a full-frame low resolution mode, and if so it runs omcomb to combine the four separate image segments into a single full-frame image, which is then processed instead of the individual image segments. ...

... Archives . ... I decide to discuss Kalman Filter a while ago for the slog after finding out that this popular methodology is rather underrepresented in astronomy. ... When I learned ?Kalman filter? for the first time, I was not sure how to distinguish it from ?Yule-Walker equation? (time series), ?Pade approximant, (unfortunately, the wiki page does not have its matrix form). ... Tags: Cressie , inference , Kalman filter , kriging , MADS , spatial statistics . ... Comment ( RSS ) | ... Chandra Blog ...

... Previous: Background Fluctuation Analysis from the Multiscale Entropy . ... A new measure of information is defined which is based on noise modeling and incorporates resolution scale. Properties of this measure are discussed. ... Additionally it allows for image noise modeling, and subsequent noise removal. ... Hence information- and entropy-based processing technologies will be necessary for the effective design and implementation of large, future generation, image databases. ...

... ATNF Home . ... About ATNF overview . ... Australia Telescope Steering Committee . ... Australia Telescope User Committee . ... Astrophysics graduate student programs . ... Facilities . ATNF facilities . ... Australian Square Kilometre Array Pathfinder . Murchison Radio-astronomy Observatory . ... Parkes radio telescope . Australia Telescope Compact Array . ... Visiting Parkes radio telescope . Visiting Australia Telescope Compact Array . ... Parkes radio telescope webcam . ...

... IRPS is the small size infrared photometer with detector cooled by liquid nitrogen . IRPS was designed as the instrument for work with optical systems with angular apertures . ... Multichannel preamplifiers (N*8) are designed for use with IR and mm wave detectors arrays. ... Thermoelectric cooling system is designed for use with IR detectors. ... IR photodetector modules with detectors cooled by LN2. ... Gas cooled radiation shield optical cryostat, IR detectors. liquid nitrogen capacity 1.2 ltr. ...

... GPI Data Pipeline 1.0 documentation . GPI IFS Data Handbook . ... Filters and Spectra . Filters . Spectral Layout . ... GPI has five wide band filters. ... Filter . Min Wavelength . ... Filter transmission profiles are distributed as part of the GPI data pipeline, in files in the $GPI_DRP_DIR/pipeline/config/filters subdirectory. ... The wavelength dispersion axis is in the Y direction in GPI raw 2D data files. ... The spectral dispersion is very roughly 0.017 microns/pixel. ...

... Обзор LPR фильтра. Впечатления от наблюдений с LPR фильтром. ... Характеристики цветных фильтров Baader-Planetarium . Мой перевод pdf- файла о фильтрах с сайта Baader-Planetarium (379 кб) . ...

COLOR PRINT OF NGC 4881 AND PART OF THE SURROUNDING FIELD This photo mosaic, which shows a field of distant galaxies, is a computer enhanced reproduction of a picture taken 4 March 1994 with the repaired Hubble Space Telescope. ... It is a 13th-magnitude elliptical galaxy in the outskirts of the Coma Cluster, a great cluster of galaxies more than 5 times farther away than the Virgo Cluster. ... We must find that peak ("turnover") in NGC 4881 in order to judge the distance. ...

RTT150 . Russian-Turkish 1.5-m Telescope . ... Until 2002 observations were mostly performed with ST-8E CCD in the 1:7.7 Cassegrain focus. ... In April, 2003 telescope was equipped with a larger-size CCD Andor DW436 . ... 2048 x 2048 pixels, . ... Since summer of 2002 the main focal detector of the RTT150 telescope was AP47p CCD in 1:7.7 Cassegrain focus. ... During September 3-13, 2002 works on installation of new autoguiding system ( photo 1 ) were carried out on RTT150 telescope. ...

... Series 4000 filters thread into the barrels of virtually all 1.25" eyepiece brands. Meade Series 4000 filters are a large 26mm in clear aperture and are manufactured from the purest crown optical glass, dyed-in-the-mass ( not "color coated"); there are no finer filters available for telescopic applications. ... For visual applications Series 4000 filters thread into the barrels of all Meade 1.25" eyepieces, and into the barrels of virtually all other 1.25" eyepiece brands as well. ... Meade 4M | ...

The technical memorandum: Time and Time Interval Measurement with Application to Computer and Network Performance Evaluation (PostScript) describes a number of techniques for conducting experiments typical of computer network and transmission systems engineering. ... The usual data collected during a performance run of some experiment might include time offsets, time delays, frequency offsets and various error statistics. ...

... Skalnatґ Pleso 43, 1 ­ 2, (2014) e Mini-MegaTORTORA ­ multichannel system for wide-field optical monitoring with high temp oral resolution V. Sasyuk1 , G. Beskin2 , S. Karp ov2 , S. Bondar3 , A. Perkov3 , E. Ivanov3 , E. Katkova3 and A. Shearer4 2 Kazan Federal University, Russia Special Astrophysical Observatory of Russian Academy of Sciences, Russia 3 Insttitute for Precise Instrumentation, Russia 4 National University of Ireland, Galway, Ireland Received: November 4, 2013; Accepted: ?? ...

This note outlines how to configure the computers needed to run DIMMWIT. ... dimmwit : ICE (single-board computer in a box) that runs the Starlight Express CCD camera, to which it is connected by a USB interface. dimmwithost : displays the finder application via the X protocol (finder actually runs on dimmwit). Acts as a file server; both the finder software and the DIMM data are stored on dimmwithost. ... mkdir -p /data/oberon/data/finder . chown coast:coast /data/oberon/data/finder . ...

... This page includes download links to all the videos as well as some plugins you may need to view the videos on your computer. ... Click on a link to view the video, or right-click (PC)/control-click (Mac) the link to download the file to your computer. ... Videos Plugins: . You will need the most up-to-date video-playing software on your computer. ... Sharing the Universe is based upon work supported by the Informal Education Division of the National Science Foundation under Grant no DRL-0638873. ...

extract equivalent widths ew(t) from 2d spectrum f(w,t) compute equivalent widths from normalized spectra smooth a function with a gaussian filter compute a gaussian filter for applying to a FFT calulate moments of a line profile compute periodogram dft(frq) from a light curve f(t). Use CLEAN if clean_mode = 1. fit a parabola fit(xv) to an arbitrary function yv(xv) evaluates a sine function on a given x-array

A prefs.ccd file should be located in /usr/local/observatory/prefs on the computer to which the camera is attached. ... Parameters that will be read by prefs.ccd are -- ccd.frame_count_multi Sets the maximum number of frames in multi mode Default is 10 Minimum is 2 No maximum ccd. filter _max Sets the number of filters in the filter wheel Should be less than or equal to the number of slots available ccd. filter _01 to ccd. filter _10 Labels for each ...