FINE STRUCTURE OF CHAOTIC ATTRACTOR FOR MULTIPLE-ACCESS COMMUNICATIONS Alexander S. Dmitriev and Sergey O. Starkov Institute of Radio Engineering and Electronics, Russian Academy of Sciences Mochovaya st.,11, GSP-3, Moscow 103907, Russia E-mail: chaos@mail.cplire.ru ABSTRACT A method for multiple access using the structure of the unstable periodic orbits of chaotic attractor is proposed. ... The first phase is a system transition from chaotic motion to the required unstable periodic orbit. ...

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... Up: Data Pipelines . ... The Data Handling System (DHS), developed for the Gemini project by the Canadian Astronomy Data Centre, accepts observational data from multiple sources. There may be data descriptions, image data in chunks (to be composed into a single image), and multiple images for one dataset, all being received at different times. ... DHS is data-driven and is composed of a collection of servers that work together to act on any data it receives from any Gemini principal system. ...

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... The set of equipment includes 8-mm band transmitting/receiving module (TRM), 1.5-cm band multi-channel receiver, and 2-cm band receiving module. TRM, operating in 8-mm range, assures two-way communication with up to 10 Mbaud rate (33?36 GHz input/output frequency). The 1.5-cm receiver is designed for receiving the service and scientific data from the space radio interferometer in 18?26 GHz frequency range (8 channels) with up to 36 Mbaud data transfer rate. ... 1.5-cm multi-channel receiver . ...

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Dick Ferris [0] Receiver architecture, correlator architecture, digitisation, beamforming, interference mitigation, data transport, cost and complexity are inexorably intertwined. A combination of baseband receiver, digital filterbank correlator and mixed delay and phase digital beamformers, provides a flexible and efficient solution. ... Data Growth & Compression In a 4k channel filterbank the word size necessarily grows by 6 bits in order to maintain the input dynamic range. ...

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The Library of Medium Resolution Spectra . HyperLeda home | Documentation | ... The library is divided into different archive corresponding to the different datasets. ... They are stored as tar files. ... cumulus . ... The archive will be divided in subdirectories in order to avoid problems with some unix commands which have a limitation in the size of the argument or number of files. ... The file name is the file number in this dataset The file naming convention has the form: LYYMMOBSj/nnnn . ...

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... My research focusses on spectral line and dust continuum observations of star formation in the Galaxy, particularly using the JCMT. My PhD thesis involved using HARP (the Heterodyne Array Receiver Project, see also my technical pages ), an array spectrograph built in the Cavendish Astrophysics Group for the James Clerk Maxwell Telescope ( JCMT ) for a wide-field survey of star formation. ... For an overview of the survey see Curtis, Richer Buckle (2010) . ... 2010) . ... 2010 Emily Curtis | ...

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Gain curves for various receivers and freq (ps) ( .pdf ) are plotted versus zenith angle. (last updated 22nov05) . ... The colors are for different receivers. For the same receiver, different frequency measurements use different plotting symbols. ... The solid line has averaged over azimuth, the dashed line has taken the maximum azimuth value for each measurement (all at a za of 10 degrees). ... For more info on the gain curve fits and their location see gain curves fits at ao . ...

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Databases (NSDC) of the Natural Planetary Satellites. ... NSDC: Database of astrometric observations of Natural Planetary Satellites . ... They are thoroughly looking for observations in different sources, creating their owndatabases which are then mostly inaccessible to other researchers. ... In the file "content" with explications, the reference is given to the data source as well as the bibliographic reference. ... Data sources. ... Why a specific bibliographic database for Natural satellites? ...

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... S.P. KOROLEV ROCKET AND SPACE CORPORATION ENERGIA . ... OAO RSC "Energia" . ... Company's History . ... History . Brief History of Rocket and Space Technology . ... Flights Chronology . ... Project History . ISS Russian Segment . Steps of ISS Assembly . Spaceflights Chronology . Chronology of Extravehicular Activity . ISS 45/46 . ... Rocket Space Complexes . ... Launches Chronology . ... Automatic Space Systems . ... HISTORY . ... 2015 JSC "S.P. Korolev RSC "Energia" . ...

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... Just as magnetic storms are composed of substorms, the substorms themselves seem to be composed of smaller scale events. ... steplike expansion of the auroral bulge (Vorobjev and Rezenov, 1973; Sergeev and Yahnin, 1979; Murphree and Cogger, 1992; Nakamura et al., 1993) . ... 1990) . ... fine structure in the bursts of bremsstrahlung X-rays (Lazutin et al., ... Nakamura, R., T. Oguti, T. Yamamoto, and S. Kokubun, Equatorward and poleward expansion of the auroras during auroral substorms, J. Geophys. ...

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... Driver ID: GPS-AS2201 . ... This driver supports the Austron 2200A/2201A GPS/LORAN Synchronized Clock and Timing Receiver connected via a serial port. It supports several special features of the clock, including the Input Buffer Module, Output Buffer Module, IRIG-B Interface Module and LORAN Assist Module. ... The specific data collection commands and attributes are embedded in the driver source code; however, the collection process can be enabled or disabled using the flag4 flag. ...

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... Several of the tasks in the spectral package share a common set of parameters. ... Each task in the spectral package has a hidden parameter which points to the pkgpars parameter file. The parameters stored here include the observed data sets and the model descriptor, and instrument-specific parameters. ... The observed counts and error data set contained in the table file ( *_obs.tab ) produced by qpspec will be the input data for subsequent spectral tasks. ...

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Communications For Your Astronomy Event . Articles | ... Some manufacturers have received approval to market radios that are certified for use in both the Family Radio Service (FRS) and the General Mobile Radio Service (GMRS). ... FRS radios have a maximum power of Ґ watt (500 milliwatt) effective radiated power and integral (non-detachable) antennas. ... FRS and GMRS Channel 1 . ... The FRS/GMRS radios I have transmit more than 1/2 watt when on channels 1-7 and 15-22. ... www.astronomy.net . ...

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To the Deputy Head of the Administration of Russian Federation President Mr. A.V.Ogarev . ... First the international space station (ISS) Alpha, which is under construction now, will compare to the OS Mir on the amount of information only in 5-7 years. ... Thirdly, the participation of Russian Federation in the international space projects, including work on the international space station (ISS) Alpha, is to be aimed first of all at the providing of Russian interests. ...

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Beginning from the May of the 1997 we started to publish our daily solar radio observations at RATAN-600 radiotelescope. ... Periscope System: South Sector+Flat Mirror . ... It is possible to track a source by moving the secondary mirror along the arc-shaped railway tracks or to perform azimuthal 2D map synthesis . ... 1) It is possible to simultaneously carry out independent observing programs using individual sectors at various discrete azimuths and secondary mirrors on corresponding railway tracks. ...

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... Because of the need to schedule observations as efficiently as possible, the order in which exposures are executed may be different from the order in which they appear in the observer's Phase II submission-unless an explicit special requirement dictates otherwise. ... Data files can then be associated with the corresponding exposure line in the Phase II proposal by comparing exposure information in the Phase II proposal with data file header keywords. ... Time_Per_Exposure . ...

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This home page belongs to small group of scientists working at . Sternberg Astronomical Institute which is a part of Moscow State University . ... Электронная библиотека научно-технической и художественной литературы (доступна только из ГАИШ) . ... Local staff . Dr. Edward Kononovich (konon -at- sai.msu.ru), Associate Professor . ... Dr. Sergey Ayukov (asv -at- sai.msu.ru), Research Fellow, Webmaster of the group . ... Joint seminar of Solar Studies Structure Group and Solar Photometry Group . ...

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Next: The Scenario Machine: Operational Up: Evolution of Magnetic Rotators Previous: Ejector-propeller hysteresis . ... The length of this segment is determined by the eccentricity. ... In this case no hysteresis occurs and transitions E -- P and the reverse take place in symmetrical points of the orbit. ... Here EP means a mixed state of the rotator at which it is in the ejector state during one part of the orbit, and in the propeller state during the rest of the orbital cycle. ...

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• The Transmission Gratings

... build and test receivers up to 40 - 350 GHz . ... Banham R., Valsecchi G., Lucci L., Pelosi G., Selleri S., Natale V., Nesti R., Tofani G. 2005, Microwave Journal 48, 112 Electroformed front-end at 100 GHz for Radioastronomical applications . Comoretto, G., D'Ambrosi, A., Nesti, R., Russo, A., Palagi, P. 2006, Arcetri Technical Report n. 4 A modular multichannel spectrometer - design study . ... Cresci, L., Lucci, L., Orfei A., Natale, V., Nesti, R., Panella, D., Pelosi, G., Rossi, L. 2006, Mem. ...

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... For SIMS (Secondary Ion Mass Spectrometry) analysis, a solid surface is bombarded by primary ions of some keV energy. ... The subsequent mass analysis of the emitted ions provides detailed information on the elemental and molecular composition of the surface. ... Extremely short ion pulses with a duration below . ... By rastering a fine-focussed ion beam over the surface, like an electron beam in an electron microprobe, mass resolved secondary ion images (chemical maps) can be obtained...

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