... Up: Software Systems and Tools . ... This case study examines the use of the latest software techniques for merging independent Java applets and applications. STScI's new Java interface to the archive, StarView II, will make use of the ST-ECF stand-alone FITS image viewer JIPA. We discuss how state-of-the-art software techniques like Remote Method Invocation (RMI), multithreading, and the Reflection API influence the design of a common interface between StarView II and JIPA. ...

... Welcome to the ADLab home page! Advanced Design Laboratory of the Special Astrophysical Observatory is concerned with research on low light level imaging and development of scientific digital imaging systems. About ADLab . ... Current project "A New Generation Multipurpose CCD Controller" . Project Contents . ... Publications on the Project . ... Other Web Sites of Interest . Created: 24 March 1998 . ... people have visited our web site. ... Copyright 1998 Advanced Design Laboratory. ...

... HST . ... ATLAST Mission Concept Study . ... Left: 8-meter monolithic mirror telescope (credit: MSFC Advanced Concepts Office) . ... The Advanced Technology Large Aperture Space Telescope (ATLAST) is a NASA strategic mission concept study for the next generation of UVOIR space observatory. ... ATLAST will have an angular resolution that is 5 - 10 times better than the James Webb Space Telescope ( JWST ) and a sensitivity limit that is up to 2000 times better than the Hubble Space Telescope ( HST ). ...

... Bakhshiyan . ... MV- and E-optimal design of experiments: theory and simplex algorithms . ... A mathematical analogy between a L-and MV-optimal experiments design and an ideal linear correction of system parameters is established, Optimality conditions are derived on the basis of this analogy and effective algorithms for solving these problems are designed. ... The E-optimal problem is reduced to the generalized linear programming problem with M+1 by constraints, where M=m (m+1) /2. ...

To main of Laboratory . The research work and design of optical and optical-electronic devices are carries out by laboratory staff: . ... Lens: . ... In the layout 1 prism systems perform functions of dispersive element, corrector of aberrations, optical reducer. ... Spectral range 200 - 400 nm; . ... Back Forward . ... The main corrector's function are compensation of field aberrations of the main spherical mirror of a telescope (diameter of 600 mm, f'=1200 mm) and increase aperture ratio. ...

... For many ATMs, having a good ray trace program on hand is pretty valuable. ... http://www.willbell.com . ... It is a slick Windows package with great graphics, but my most recent machine (Win95 OSR2) now encounters many error messages. ... OSLO LT : This is the freeware Windows version of OSLO - it is limited to 12 surfaces, but is otherwise amazing. ... KDP : This is another powerful, freeware Windows raytrace package. ... ZEMAX : This is yet another powerful, Windows raytrace package. ...

... Digital Receiver Implementation at the Arecibo Observatory: System Design and Capabilities . In recent years, a large demand for additional and high-quality services in the telecommunications industry has led to rapid development of digital receiver technology. This demand has produced many cost effective, high performance technologies. ... Digital receiver systems are low cost, low maintenance, and, in many respects, are capable of outperforming their analog counterparts. ...

... Stellar Evolution is driven entirely by the never ending battle between Pressure and Gravity . As imbalances are reached, the star is driven to find a new Energy source. ... Pressure and gravitational forces are equal, the star is stable and its core is sufficiently hot to fuse Hydrogen into Helium More about main sequence stars . ... The luminosity generated by the core fusion of Helium into Carbon is far greater than the shell luminosity associated with the fusion of Hydrogen into Helium. ...

... Space flight . ... The L-39 two-seat training jet plane is intended for flights in regular and complex meteorological conditions at day and night time, as well as for acrobatic flying. ... A cockpit canopy is pressure-tight with a single layer glazing, the back-folding parts can be thrown off under abnormal condition by pyrotechnical systems. ... Comparable on size and assigned tasks with the American F-16 and F/A-18 fighters, the MIG - 29 is presently in the service of 23 countries of the world. ...

. Interplanetary Trajectory Design . "The Longest Journey Starts..." . ------------------------------------------------------ . Previous . Main . Next .

... Visual Effects: Wonders of the Universe . ... Music Score: Timo Baker Explanation: What visual effects are depicted in this video? The effects were created by BDH for the BBC television show Wonders of the Universe , but are unlabeled on the above version posted to Vimeo . ... Past that, the entire computer animated video seems to sparkle with unknown stars, unknown planets, and sequences where unknown gas is flowing toward unknown places. ... NASA Web Site Statements, Warnings, and Disclaimers . ...

... Each day a different image or photograph of our fascinating universe is featured, along with a brief explanation written by a professional astronomer. 2011 April 18 . Visual Effects: Wonders of the Universe . ... Explanation: What visual effects are depicted in this video? ... Please help create a companion explanation for the video by contributing to APOD's discussion page . ... About APOD | ...

LOFAR in Australia ­ A Brief Engineering Perspective By Dr Peter J Hall, CSIRO SKA/LOFAR Program Leader 6 November, 2002 Background LOFAR (LOw Frequency ARray) is a proposed radio telescope designed to operate in the approximate frequency range 10 - 250 MHz. ... In both cases, the instruments would be built and operated by international consortia; Australia is a founding member of the 11-participant SKA consortium and may join the USA and Europe in the LOFAR endeavour. ...

OptInt PmWiki : MROI Fast Tip Tilt / Tech Meet 9 . Nasmyth Optical Table . ... XS analysis: Attach:FTT_mount_analysis_05.pdf . DFB analysis: see below . ... How to locate and support optics . ... Assume that the table is supported by a vertical support (representing the side of the telescope) and a diagonal support running from the telescope to the end of the table furthest from the table. ... Printable View of http://www.mrao.cam.ac.uk/projects/OAS/pmwiki/pmwiki.php/MROIFastTipTilt/TechMeet9) ...

... Advances in International Accounting is a refereed, academic research annual, that is devoted to publishing articles about advancements in the development of accounting and its related disciplines from an international perspective. ... title='LG Стиральная машина LG - LG' border='0' align='left' width='120' style='margin-right: 20px;' hspace='7' vspace='5'/> . ... Цвет: серый . Коллекция: Весна-лето 2016 . ... Материал верха: искусственная замша . ... Материал подошвы: искусственный материал . ...

... 2 Columns At the present time, the REGION table is de ned for a two-dimensional space. ... ROTANG (rotation angle): for rotated elements; like X and Y, this column needs to contain vectors of suфcient length. ... Table 1: REGION Table SHAPEs SHAPE X Y R ROTANG Point X Y Circle Xcen Ycen R Ellipse Xcen Ycen Rmaj ; Rmin Angle Annulus Xcen Ycen Rin ; Rout Elliptannulus Xcen Ycen Rinmaj ; Rinmin ; Angin ; Routmaj ; Routmin Angout Box Xcen Ycen Xsize ; Ysize Rotbox Xcen ...

OSLO LT V5.4 Optical Software For Layout And Optimization . Articles | ... Has anyone out there tried to raytrace a telescope design? ... OSLO LT keeps track of the optical path length each ray travels, so it knows the phase relationship of the light as it travels through the telescope. ... Through the use of OSLO LT, I've been able to refine the optical design of the telescope I'm working on. ... www.astronomy.net . About Astronomy Net | ... dbHTML," "AstroGuide," "ASTRONOMY.NET" & "VA.NET" . ...

... After hearing and discussing Rocket-Space Corporation Energy General Designer U.P.Semevov's report on the fulfilling the flight program of the orbital complex Mir and proposals on its further exploitation, the Council draws attention to: . ... According to the Russian Government Resolution No. 76 of January 21, 1999 a large amount of work to find and attract Russian and foreign investments to provide the further exploitation of the orbital station Mir was carried out. ...

Arcetri Observatory, together with MECSA, have developed a sample/hold curcuit and a demultiplexer for the ALMA sampler unit. ... The S/H circuit requires a 4 GHz sinusoidal clock (0 dBm nominal), and has an internal clipping circuit to protect the input from signal spikes. ... A custom chip has therefore to be designed. ... The chip requires two sinusoidal clocks, at 4 and 0.5 GHz. ... G. Collodi, G. Comoretto: A MMIC sampler for ALMA - Design report - Arcetri technical report n. 2/2001 . ...

... In spite of the good potential possibilities, some of the station "Dnepr" design characteristics did not allow us to apply the usual special IS radar measurement methods. ... Thus for IS signal measurements at the "Dnepr" station, we have developed special methods for recording and processing IS signals in order to determine plasma ionospheric parameters. ... Equations (4-5) from the basis for data post processing to obtain ionosphere parameters. ...