Radio Interferometry Principles . Radio Interferometry Signal Processing . ... A radio interferometer consists of a pair of directional antennas that are tuned to receive radio emissions from a source in a desired RF band. ... The antennas are pointed at the radio source of interest and are set up to receive the signal and process it into a form suitable for transmission to the correlator. ... In connected element interferometry, the digital signal goes directly to the correlator. ...

Еще в разделе: (Показать все результаты (>172) - www.gao.spb.ru/ )

• PULK GNSS station

... Credit Copyright: NASA , ESA , Mark Showalter ( SETI Institute ) Explanation: Pluto's newly discovered moons now have names. ... The small moons were discovered in 2011 and 2012 by the Hubble Space Telescope in preparation for the close passing of the New Horizons spacecraft by Pluto in 2015. ... Publications with keywords: Pluto - Pluto moons . Publications with words: Pluto - Pluto moons . ... Unusual Pits Discovered on Pluto . Wright Mons on Pluto . Charon and the Small Moons of Pluto . ...

Еще в разделе: (Показать все результаты (>86915) - www.astronet.ru/ )

• Астронет > Plutos Newly Discovered Moons Receive Names
• Астронет > Англо-Русский Словарь
• Twin Proto Planetary Disks

In the PROJECT we are using the following peculiar . features of RATAN-600 . ... Brightness temperature sensitivity being equal to the antenna temperature sensitivity .. ... Receiver system .. ... Using aperture averaging effect. dual- beam and dual (multi-) frequency filtration, we demonstrated full filtration of the atmosphere noise down to the receiver noise at all scales of acoustics peaks ( Fig.1 , Fig 2 ). ... We select this frequency as the central one in our project. ... Antenna surface . ...

Еще в разделе: (Показать все результаты (>539) - jet.sao.ru/ )

• Receiving signals - signal()
• Spectrometric complex LRS
• Feed cabin 2

... Telescopes . ... Superb optical performance coupled with time proven computerized pointing and tracking has made the LX200 ACF series a best-seller in the high-performance telescope class. ... Meade's revolutionary LS LightSwitchтДв series of telescopes use advanced technologies to do what no other consumer telescopes have done before: take all the hassle out of using a telescope. ... AudioStar Controller #07640 is compatable with the StarNavigator, ETX, LT, LX80, LX90, and LXD75 series telescopes. ...

Еще в разделе: (Показать все результаты (>2470) - www.meade.com/ )

• AudioStar Controller - General Accessories - Accessories - Products
• AudioStar Controller - Accessories - Products
• Hand Controller Holder

Celestron Forum Message . Forums: . ... Post . ... My Unrepairable Nexstar 5 Controller Too . ... Post Message | ... Posted by Doug Wurzler on February 3, 2008 15:16:13 UTC . My Nexstar controller too has a very large unreadable area. ... I'm going to try to find another controller, but I doubt if I will buy a Celestron again. ... www.astronomy.net . ... Forum posts are Copyright their authors as specified in the heading above the post. "dbHTML," "AstroGuide," "ASTRONOMY.NET" & "VA.NET" . ...

Еще в разделе: (Показать все результаты (>343) - www.astronomy.net/ )

• Help For Your Controller - an Astronomy Net Celestron Forum Message
• NexStar11GPS Hand Controller Issue - an Astronomy Net Celestron Forum Message
• If You Sent Mail, I Never Received It - an Astronomy Net Exploration Forum

STScI . ... Data . ... Calibration . ... The drizzle software requires only the distortion correction files indicated in your image headers (keywords IDCTAB and OFFTAB), which can also be downloaded individually from the STScI uref directory. ... Output files : set build=no to generate separate files for science image (drz_sci.fits) and exposure weight map (drz_weight.fits). ... Intermediate files : set clean=no to keep the intermediate files that are helpful while verifying your output and iterating. ...

Еще в разделе: (Показать все результаты (>9301) - www.stsci.edu/ )

• Python: module receive_ccs
• Python: module receive_dan

... Torgashina, Gert de Lange, Leo de Jongb, Pavel A Yagoubovb a The Kotel'nikov Institute of Radio Engineering and Electronics, Moscow, Russia b SRON Netherlands Institute for Space Research, Groningen, the Netherlands Abstract--A Superconducting Integrated Receiver (SIR) developed for balloon borne instrument TELIS covers frequency range 450-650 GHz. The DSB noise temperature was measured as low as 120 K. The SIR application for high resolution spectroscopy of breathed out air has been proven. ...

Еще в разделе: (Показать все результаты (>531) - www.cplire.ru/ )

• http://www.cplire.ru/html/lab234/pubs/2011_07a.pdf
• http://www.cplire.ru/html/lab234/pubs/2006_12a.pdf
• http://www.cplire.ru/html/lab234/pubs/2004-15.pdf

... Gallery . ... The Supervisor receiving one of many handoutтАж . Sidebar Left . Sidebar Top . No Sidebar . Sidebar Bottom . Sidebar Right . ... Title: The Supervisor receiving one of many handouts . Description: Image: Kim Rawlings . ... The Supervisor receiving one of many handouts Image: Kim Rawlings . Powered by Gallery 3.0.9 (Chartres) . ...

Еще в разделе: (Показать все результаты (>392) - www.mso.anu.edu.au/ )

• Instrumentation Links.
• Software Maintenance Manual

. Home . News . Gallery . Events . Twitter . Press Releases . Links . Contact Us . Calendar . Press & Web Coverage . Previous . Next . List . International Year of Astronomy, Ireland National Node . [Back To Top] .

Еще в разделе: (Показать все результаты (>1591) - star.arm.ac.uk/ )

• Leonid Reports
• Light Pollution
• Armagh Observatory

. Select a topic for further information. Commands for reading mail . Notification of mail arriving . Reading mail messages . Exiting mail .

Еще в разделе: (Показать все результаты (>64) - comet.sai.msu.ru/ )

• UNIXhelp for users
• Rudnitskij Georgij M. Home Page
• UNIXhelp Glossary - "B"

It could be that SETI signals have arrived at the Earth, but are lower then the noise level, and our receivers cannot detect them. ... Fig. ... It follows that two zones form around the star with civilization X: "Zone Yes", where its SETI signal can be detected, and "Zone No", where its signals are hidden by noise (Fig. ... In practice, it is more efficient to use a time factor, since the problem of SETI contact does not limit the duration of the signal element and semantic text. ...

Еще в разделе: (Показать все результаты (>148) - lnfm1.sai.msu.ru/ )

• http://lnfm1.sai.msu.ru/SETI/koi/bulletin/12/petrovic.html
• http://lnfm1.sai.msu.ru/SETI/koi/articles/abstr2.html

... ROM, Flash, EPROM, video accelerator chips, networking chips, audio chips, CODECs, DSP chips . ... Amplifiers, Comparators, Data converters, References, Regulators, Interface chips, etc.. ... video chips, audio chips . ... networking chips, CAM, mass storage chips, diodes, video chips, microcontrollers, keyless entry chips, gate arrays, SAW filters, cellular phone chips, analog switches, DTMF chips, telecom chips, GPS chips, PLL, compression chips, thyristors, etc.. ... CD chips, networking chips . ...

Еще в разделе: (Показать все результаты (>1091) - www.sao.ru/ )

• HwB: RS422 Connector
• Lesser known 4-bit micro-controllers
• Popular 16/32-bit micro-controllers

USSR Venus Orbiters . ... Venera 15 and Venera 16 were a two-spacecraft mission designed to use 8-centimeter (3-inch) band, side-looking radar mappers to study the surface properties of Venus . ... Each spacecraft consisted of a synthetic aperture radar (SAR) and a radio altimeter. ... The Venera 15 and 16 synthetic aperture radar (SAR) systems were identical, and were used to map the surface of Venus at a resolution of 1 to 2 kilometers (.6 to 1.2 miles) over a period of 8 months. ...

Еще в разделе: (Показать все результаты (>610) - www.iki.rssi.ru/ )

• Space Weather Dials Interpretation Guide
• The Inner Radiation Belt
• Satellites with commercial missions

Suzanne Gurton, the Education Manager at the Astronomical Society of the Pacific (ASP), has received the 2008 Professional Award, given each year by the Astronomical Association of Northern California to an astronomer who has done outstanding work in distinguishing and fostering amateur astronomy. ... She has spearheaded several major national educational initiatives that benefit the amateur and educational communities in astronomy . ...

Еще в разделе: (Показать все результаты (>876) - www.astrosociety.org/ )

• ASP: ASP President Jim Kaler Receives AAS 2008 Education Award
• ASP: Thoughts on Receiving the Bruce Medal
• ASP: Former ASP Executive Director Receives National Physics Prize

RADIOASTROPHYSICAL DEPARTMENT • INSTITUTE OF SOLAR-TERRESTRIAL PHYSICS RAS SB . ... SSRT - Receiving systems . The SSRT has two independent receiving systems for recording solar observational data, and several ancillary receivers for checking, setting up and adjusting the instrument. The base receiving systen is a multichannel filter receiver for a simultaneous recording in 180 channels with the 500 kHz band each, adjusted at steps of about 600 kHz. ... Channel's band . ...

Еще в разделе: (Показать все результаты (>28) - ssrt.iszf.irk.ru/ )

... 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. ...

Еще в разделе: (Показать все результаты (>1160) - www.adass.org/ )

• The New JCMT Holographic Surface Mapping System - Implementation
• The Mosaic Data Capture Agent
• The Green Bank Telescope Laser Metrology Computer Control System

... Here is some info I've compiled on the NexStar GPS Telescope operation. ... NexStar AUX Command Set . Hand Controller . ... PC Control Cables . ... These are not the same commands currently used to control the telescope from the HC serial port. ... design other devices that plug into the AUX port that can be accessed from the HC serial or PC port This document is highly technical in nature and is written mainly for programmers wanting to develop or enhance computer interfaces to the telescope. ...

Еще в разделе: (Показать все результаты (>289) - www.astro.louisville.edu/ )

• John F. Kielkopf Vita

Towards celestial sources above 1 THz with a heterodyne receiver based on a hot-electron bolometer mixer Sergey Ryabchun, Ivan Tretyakov, Matvey Finkel, Natalia Kaurova, Boris Voronov and Gregory Gol'tsman HOT-ELECTRON BOLOMETER (HEB) MIXER Scient ific and Educatio nal Radiophysics Center Mo scow State Pedago gical University Mo scow, Russia FIRST GROUND-BASED OBSERVATION WITH HEB MIXERS BEYOND 1 THz Submillimeter Telescope ...

Еще в разделе: (Показать все результаты (>23) - site2010.sai.msu.ru/ )

This document describes tips for converting from xpa 1.0 (Xt-based xpa) to xpa 2.0 (socket-based xpa). ... The changes are straight-forward and almost can be done automatically (we used editor macros for most of the conversion). ... Also change first 2 arguments from XtPointer to void *. ... Change NewXPACommand() to XPAcmdNew(), with the new calling sequence: xpa = NewXPACommand(toplevel, NULL, prefix, NULL); is changed to: xpa = XPACmdNew(xclass, name); . ... Go to XPA Help Index ...

Еще в разделе: (Показать все результаты (>1141) - hea-www.harvard.edu/ )

• Harvard College Observatory History in Images
• The AstroStat Slog Blog Archive 2010 SBSS STUDENT PAPER COMPETITION
• The AstroStat Slog prize

National Space Agency of Ukraine and . ... The Second International Meeting on WARNING Mission . ... Space Research Institute of Ukrainian National Academy of Sciences - National Space Agency, . ... The Head of Scientific committee of the Project “Warning” is DR V.G.Bar`yahtar, Academitian of Ukrainian National Academy of Sciences. ... Lviv Center Space Research Institute of Ukrainian National Academy of Sciences, . ... National Space Agency of Ukraine, Bozhenka St. 11, 252022 Kyiv-22, Ukraine. ...

Еще в разделе: (Показать все результаты (>69) - space.univ.kiev.ua/ )