Optical Communication Experiment using Very Small Optical transmitter with SLR station National Institute of Information and Communications Technology, Japan Space Communications System Laboratory Hiroo Kunimori and VSOTA TEAM Sep 24, 2012 WPLTN Technical Workshop@St.Petersburg, Russia Table of Contents Backgound:HODOYOSHI Project JapaneseHODOYOHI= Reasonable Reliability Engineering to develop series of 50kg Satellite. ... How to share wavelength communication beam and ranging beams. ...

... Plastic forming and welding of optical elements for laser technologies and optical telecommunications. A set of technological processes of manufacturing of optical elements with sophisticated profiles for laser technologies and optical telecommunications has been developed in the Institute of Solid State Physics . ... тАв€а to form optical surfaces with non-spherical and rather sophisticated profiles, improving essentially effectiveness of laser technologies and optical telecommunications; . ...

... S.P. KOROLEV ROCKET AND SPACE CORPORATION ENERGIA . ... OAO RSC "Energia" . ... Brief History of Rocket and Space Technology . Rocket Systems . ... Automatic Space Systems . ... S.P. Korolev Rocket and Space Corporation Energia in cooperation with subcontractors in the Russian industry made a new important step in space technologies - a modular Multi-purpose Satellite Bus (MSB) was developed for a new generation of multi-functional high-performance automatic spacecraft with long life in orbit. ...

... Technology for fabrication of superconducting integrated circuits based on high quality submicron Nb and NbN tunnel junctions with high current density. ... Technology for fabrication of superconducting integrated circuits based on . high quality submicron Nb and NbN tunnel junctions with high current density. ... The objective is to optimize the fabrication of high quality Nb-AlO x -Nb micron-sized tunnel junctions and integrated circuits. ...

... News . ... Pre-university education . ... Samara University scientists have developed a technology of new-designed photoelectric converters for solar batteries of spacecraft. ... The new solar batteries will be as much effective as their contemporary nanoheterostructured counterparts surface-supported by germanium, and the cost will be five times cheaper. ... Scientists of Samara University (joint SSAU and SSU) developed a technology basis of new silicon-based photoelectric converters (FEC). ...

... ESO for the Public > Doing Business with ESO > Technology Transfer > Developments at ESO . ... About ESO . ... Survey Telescopes . ... The survey has been carried out at ESO in late 2004 to document both the technologies developed by, or for, ESO as well as examples of Technology Transfer that have taken place. ... Technologies that have been developed or extended in collaboration with industry through an ESO development contract or collaboration agreement, etc. ... Historic Developed Technologies ....

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. ...

Free Space Optical Communication Systems . ... Airplane - geostationary satellite laser communication. ... Air ( space) optical communication systems ( AO ) . ... The Optical ground station was constructed at Teide observatory, Tenerife, Canary Islands for laser communication experiments from ground to geostationary (GEO) satellites. ... Laser communication experiments between ARTEMIS satellite and optical ground station (OGS) ESA at Canary Islands are performing also. ... CW laser test experiments . ...

... Current APO Weather . ... Search Site . ... Information for New Users . ... Technical Staff pages . Night Logs and Mailing Lists (maintained by APO) . ... Technical Documents and Database Search . ... Observer's Documentation and Procedures . ... Problem Reporting and APO Technical Documents Database Search . ... APO Drawing/Document Management Procedures . ... APO Technical Documents Database Search . Home Astrophysical Research Consortium . ... Mail Lists (maintained by APO) . ...

Next: RSOG Pre-Observation Products . ... Mission Elements . ... The main mission elements (ME) are: . The RSOG, based at ASC, which is responsible for the science operation of the RadioAstron Mission. ... The Main Ballistic(Navigation) Center (MBC) belonging to Lavochkin Association coordinates preparation and exchange of orbit determination and orbit reconstraction ptoducts. ... Experiment codes of five characters are used in naming GRT related files. ... RSOG . ... Corr (GTS?) ... Corr (RSOG?) ...

... 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. ...

Next: Available Receivers Up: The Arecibo Observatory and Previous: The Arecibo Observatory and . The main reflector of the telescope is a , 305 m (1000 ft) in diameter and 51 m (167 ft) deep. ... The system housed in the Gregorian dome provides continuous frequency coverage from 300 MHz to 10 GHz using a pair of shaped (secondary and tertiary) subreflectors, plus standard point feeds and receivers. ... Consecutive use of multiple receivers during an observing run is straightforward. ...

DIGITAL WDC EXCHANGE FORMAT . FOR OBSERVATORY 1.0 MINUTE VALUES 1. ... DATA-1 .. DATA-60 are 1-minute values of the given element for that hour. ... Typically, digital 1-minute values received by WDCs from organizations operating automatic magnetic observatory instruments are averages of more frequendy sampled values, e.g. 10-second point samples. ... If the method used to obtain 1-minute average values is important to a user, the WDC will assist in determining the exact procedure applied. ...

... Interdisciplinary seminar "Satellite methods and systems for Earth research" (chairman - corresponding member of Russian Academy of Sciences G.M.Chernyavsky) . ... SMIS Information System for Acquisition, Processing, Storage and Distribution of Satellite Data . ... Provides operational access to satellite data and derived products. ... Provides automatic collection, processing and cataloging of satellite data and remote access to information. ... Provides remote access to information. ...

Recommendations for Wireless Implementation at STScI 23 January 2002 - Carol Christian/ Development Technology and Innovation The wireless project goal was to develop a plan for deploying wireless networking at STScI. ... DTI surveyed STScI staff to determine what needs existed and how staff envisioned using wireless at STScI. ... The recommended hardware for the wireless access points is the Cisco Aironet 350 series. ... Policy: A draft STScI Network Wireless Policy has been completed. ...

... Independent from any vendor, the CORBA protocol is a major player in this domain, making it a good candidate for managing interoperability between astronomical data providers and other applications. The protocol allows class providers and users to operate in different and independent environments with CORBA managing all communications in a transparent way. ... Client/server architecture needs tools to manage communication between the different components. ... Figure 1: CORBA architecture . ...

University Satellites and . Space Science Education . ... The purpose of the developed scientific - educational program complex is creation on the Earth on the base of telemetry data of virtual model of microgravitational environment in which experiments are carried out, and virtual motion model of of the space vehicle. ... The developed program complex concerns to the class of the distributed program systems. ... Skobeltsyn Institute of Nuclear Physics, Moscow State University, 2005-2006 . ...

Instruments and Methods 129 Multi-element MMIC focal array for radio telescope V.B. Khaikin1, E.K. Ma jorova1 , Yu.N. Parijskij1, M.D. Parnes2 , R.G. Shifman2 , V.A. Dobrov2 , V.A. Volkov2, V.D. Korolkov2, S.D. Uman2 , N.A. Esepkina3 , and S.K. Kruglov3 The Special Astrophysical Observatory of Russian Academy of Sciences Karachai-Cherkessia, N.Arkhyz, 357147, Russia, E-mail: vkh@brown.nord.nw.ru Svetlana", Rezonance", Ascor", 194156, Engels pr. ... Four-element sub-array prototype is shown in Fig.2. ...

Peremennye Zvezdy ( Variable Stars ) 26 , No. ... Moscow 119992, Russia . ... 84/32, Moscow 117997, Russia . ... Our CCD observations compared to times of minima derived from the archival photographic plates and from the NSVS and ASAS-3 data clearly show that the orbital period of the system is variable. ... The phased light curve for the light elements . ... CCD, Moscow . ... and for the current linear light elements (in excellent agreement with the NSVS, ASAS, and our CCD observations): . ...

... Archives . ... X-ray summer school is on going. ... Recently I went to JSM 2007 and tried to attend talks about (bayesian) change point problems, which frequently appears in time series models, often found in economics. ... Tags: ARCH , Bayesian Block , challenges , change point problem , GARCH , light curves , summer school , X-ray . ... I received another type of changing point problem, defining a peak precisely, from a x-ray school student, who tried bayesian block but said it didn?t work. ...