... The choice of the spectrograph design (Fig.2) is determined by the quantity R, the overall dimensions of the PF cage and the restrictions on the rigidity of the structure of the device. ... As the camera's objective a fast 4-lens aplanat is used having a focal distance F cam =140 mm and a relative aperture of 1:1.8, the resolution at the centre is no less than 80 gr/mm, that over the field at a distance of 3 mm from the edge along the frame ( ) diagonal is 35 gr/mm. ...

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Optical design and verification of the sub-millimeter limb sounder TELIS P. Yagoubov1, G. de Lange1, A. Baryshev2, R. Hesper2, V. Koshelets3, G ... IREE, Russia 4Institute for Remote Sensing Technology, DLR, Germany 5Institute of Applied Physics, University of Bern, Switzerland Vertical scan , mm Vertical scan , mm TELIS (Terahertz and submm Limb Sounder) is a cooperation between European institutes, DLR, RAL and SRON, to build a three- ... SIR cold channel phase distribution. ...

Super Rocket Targets . NPO MOLNIYA has been designing rockets-targets for over 30 years using the great experience in crea-ting anti-aircraft guided rockets (AGR) for C-25M. On the basis of B-300 anti-aircraft rockets which expired their service life, there were designed, tested and put into the serial production the following types of the rocket - ... The analogue of this system successfully passed the state tests with the ZVEZDA-4 rocket-target. ...

Order my book on Peer Instruction for Astronomy ! ... The book includes hundreds of ConcepTests, and was distributed FREE to most intro astro instructors across the country. ... By encouraging student participation and interaction during the lecture, Peer Instruction encourages students to critically think through the arguments being developed, and to discuss their ideas and insights with their neighbors. ... Student satisfaction with the courses have been high. ... Back to Paul Green's HomePage . ...

OFICCIAL PRESS RELEASE . ... At S.P. Korolev Rocket and Space Corporation Energia the regular session of the Board of Chief Designers on the Russian Segment of the International Space Station (ISS) was held under the chairmanship of N.N. Sevastianov, President, General Designer of RSC Energia. ... Charge RSC Energia (N.N. Sevastianov) with submitting this decision to the Federal Space Agency and higher-level state structures. ... Official WEB-site of S.P.Korolev RSC Energia . ...

The chances of the Earth suffering a collision with a cometary body may be higher than previously thought, according to new research by astronomers Bill Napier and Chandra Wickramasinghe. ... With about 1 percent of incoming comets ending up on relatively short-period Earth-crossing orbits, it is expected that several thousand dormant comets could be currently posing a potential threat to our planet. ... Bill Napier via the Armagh Observatory, College Hill, Armagh, BT61 9DG. ...

Next: Kalman Filtering in Chandra Aspect Determination . ... The Science Instrument (SI) background monitoring is one such thread that is designed to compile a temporally and spatially ordered table of the observed flux and energy spectrum in detector coordinates. ... As part of the M&TA System (Wolk et al. 2000) the SI Background (SIB) monitoring thread is based on C++ tools designed with object oriented design methodologies that provide flexibility for generating SIB maps. ...

PROTOCOL OF THE INTERNATIONAL MEETING ON "WARNING" MISSION . ... According to the National Space Program of Ukraine on 1998-2002 the experimental space system WARNING has to be designed and launched in 2001. ... Composition of scientific payload is implemented in the international cooperation. ... Lviv Center of Space Research Institute (LC SRC), Ukraine. ... Space Research Institute NASU-NSAU (SRI), Kiev, UKRAINE; . ... Lviv Center of Space Research Institute (LC SRI), Lviv, UKRAINE; . ...

... 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. ...

... 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. ...