Астронет > Статистика сайта:www.naic.edu

	Поиск по астрономическим сайтам

	Точная форма слов О проекте Сайты Справка

Поиск по:www.naic.edu - Поискать по всем серверам

На этой странице приведены все страницы сервера www.naic.edu ,которые мы индексируем. Показаны документы 21 - 40 из 11450.

Пред. | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | След. [ В конец ]

Упорядочить по: URL | дате изменения

21. Lidar National Astronomy and Ionosphere Center (Arecibo Observatory)

NATIONAL ASTRONOMY AND IONOSPHERE CENTER . ... Information . ... Lidar . ... The diode laser is frequency modulated by a dual-pass acousto- optic modulation setup developed by the lidar group at Colorado State University in order to get the spectral information necessary to measure potassium temperature in the mesopause. ... The laser output is wavelength locked using a pulsed wavemeter and software developed at the Arecibo Observatory in order to feed back to the dye laser's rotating grating. ...

[ Сохраненная копия ] Ссылки http://www.naic.edu/general/index.php?option=com_content&view=article&id=174:atmos-lidar&catid=109&Itemid=476 -- 20.4 Кб -- 13.04.2016
Похожие документы

22. Klystron National Astronomy and Ionosphere Center (Arecibo Observatory)

NATIONAL ASTRONOMY AND IONOSPHERE CENTER . ... Power Supply . ... Klystron . ... The tube will produce a peak power output of 1.25 MW at an average RF power output of 75 kW at a 0.06 duty factor with a minimum power gain of 35 dB. The efficiency of the tube is 35%, so 75 kW output power requires 223 kW of beam power. When the proper voltages are applied to the tube, a beam off electrons is formed at the cathode end of the tube and travels axially though the tube to the collector. ...

[ Сохраненная копия ] Ссылки http://www.naic.edu/general/index.php?option=com_content&view=article&id=172:atmos-30mhz&catid=109&Itemid=476 -- 16.4 Кб -- 13.04.2016
Похожие документы

23. Control Room National Astronomy and Ionosphere Center (Arecibo Observatory)

NATIONAL ASTRONOMY AND IONOSPHERE CENTER . ... Astronomy . ... Visitor Center . ... Power Supply . Control Room . ... Transmitter Console . The console at the Control Room is where all the parts of the 430 MHz Transmitter are controlled. Operating the transmitter is very simple, it consist of turning on the Intermediate Power Amplifier (IPA) and Power Amplifier (PA) Systems, and wait for approximately 15 minutes for the IPA High Voltage (HV) and PA HV to be ready. ...

[ Сохраненная копия ] Ссылки http://www.naic.edu/general/index.php?option=com_content&view=article&id=171:atmos-30mhz&catid=109&Itemid=476 -- 16.2 Кб -- 13.04.2016
Похожие документы

24. Power Supply National Astronomy and Ionosphere Center (Arecibo Observatory)

NATIONAL ASTRONOMY AND IONOSPHERE CENTER . ... Astronomy . ... Visitor Center . ... Power Supply . ... An adjustable power supply furnishes up to 120 kV at 4.4 †Е. The voltage charges the 37.2 €ІF capacitor bank. ... The power supply is behind a locked door in the high voltage vault. Crowbar . The Crowbar circuit provides path by which nearly all the charge in teh capacitor back can be dumped to ground, rather than through an arc inside one on the klystrons. ...

[ Сохраненная копия ] Ссылки http://www.naic.edu/general/index.php?option=com_content&view=article&id=170:atmos-30mhz&catid=109&Itemid=476 -- 15.8 Кб -- 13.04.2016
Похожие документы

25. Specifications National Astronomy and Ionosphere Center (Arecibo Observatory)

NATIONAL ASTRONOMY AND IONOSPHERE CENTER . ... Astronomy . ... Visitor Center . ... Specifications . ... Power Supply . ... Center Frequency: 420 MHz (adjustable from 425 to 435 MHz) . ... Maximum instantaneous bandwidth: 2 MHz . Maximum Peak Power at transmitter output: 2.5 kW . Maximum Avg. Power at transmitter output: 150 kW . ... Power output variation: less than 0.2 dB pulse to pulse after 15 minutes warm up . ... Output power adjustability: continuously adjustable to ~20 dB . ...

[ Сохраненная копия ] Ссылки http://www.naic.edu/general/index.php?option=com_content&view=article&id=168:atmos-30mhz&catid=109&Itemid=476 -- 17.8 Кб -- 13.04.2016
Похожие документы

26. Disclaimer National Astronomy and Ionosphere Center (Arecibo Observatory)

NATIONAL ASTRONOMY AND IONOSPHERE CENTER . ... Science . Astronomy . ... Visitor Center . ... Kick-Off Ceremony of the Arecibo Observatory 50th Anniversary . ... The Arecibo Observatory is sponsored by the National Science Foundation. ... If you change the setting, it will apply to this article. ... Inherited €аmeans that the permissions from global configuration, parent group and category will be used. ... Disclaimer ...

[ Сохраненная копия ] Ссылки http://www.naic.edu/general/index.php?option=com_content&view=article&id=235:disclaimer&catid=105&Itemid=640 -- 16.2 Кб -- 13.04.2016
[ Сохраненная копия ] Ссылки http://www.naic.edu/general/index.php?option=com_content&view=article&id=235:disclaimer&catid=105:news&Itemid=640 -- 16.2 Кб -- 13.04.2016
Похожие документы

27. UW - Madison Astronomy Department Board of Visitors National Astronomy and

NATIONAL ASTRONOMY AND IONOSPHERE CENTER . ... Astronomy . ... Visitor Center . ... Kick-Off Ceremony of the Arecibo Observatory 50th Anniversary . ... UW - Madison Astronomy Department Board of Visitors€а ( one day meeting ) . ... 27, Arecibo Observatory . 1:30 - Visitor Center WELCOME - Bob Mathieu . 1:45 - History of Arecibo Observatory and Intro to Telescope - Ed Churchwell . 2:05 - Surfing Galactic Radio Waves with the Arecibo radiotelescope - Snezana Stanimirovic . ...

[ Сохраненная копия ] Ссылки http://www.naic.edu/general/index.php?option=com_content&view=article&id=187:uw-madison&catid=105&Itemid=640 -- 16.7 Кб -- 13.04.2016
[ Сохраненная копия ] Ссылки http://www.naic.edu/general/index.php?option=com_content&view=article&id=187:uw-madison&catid=105:news&Itemid=640 -- 16.7 Кб -- 13.04.2016
Похожие документы

28. ALFA: Arecibo L-Band Feed Array National Astronomy and Ionosphere Center

NATIONAL ASTRONOMY AND IONOSPHERE CENTER . ... Astronomy . ... ALFA . The Arecibo L-band Feed Array (ALFA) is a seven feed system that will allow large-scale surveys of the sky to be conducted with unprecedented sensitivity using the 305-m Arecibo telescope in Puerto Rico. The NAIC Arecibo Observatory telescope is the largest and most sensitive single dish radio telescope in the world and is used to study large numbers of sources that are too faint to be seen with other telescopes. ...

[ Сохраненная копия ] Ссылки http://www.naic.edu/general/index.php?option=com_content&view=article&id=166:astro-alfa&catid=108&Itemid=475 -- 15.1 Кб -- 13.04.2016
Похожие документы

29. Visit of Dr. Yvonne Pendleton National Astronomy and Ionosphere Center (Arecibo

NATIONAL ASTRONOMY AND IONOSPHERE CENTER . ... Kick-Off Ceremony of the Arecibo Observatory 50th Anniversary . ... Visit to AO of Hon. ... Dr. Pendleton visited the campus of the University of Puerto Rico-Arecibo, where she talked to the Saturday Research Academy students who were preparing a launching of a weather balloon for their research experience. Also, at the Arecibo Observatory she visited the цЃngel Ramos Foundation Visitor Center, Control Room and the Radio Telescope Dish. ...

[ Сохраненная копия ] Ссылки http://www.naic.edu/general/index.php?option=com_content&view=article&id=247:pendleton&catid=105&Itemid=640 -- 16.7 Кб -- 13.04.2016
[ Сохраненная копия ] Ссылки http://www.naic.edu/general/index.php?option=com_content&view=article&id=247:pendleton&catid=105:news&Itemid=640 -- 16.7 Кб -- 13.04.2016
Похожие документы

30. Noce de las Estrellas National Astronomy and Ionosphere Center (Arecibo

NATIONAL ASTRONOMY AND IONOSPHERE CENTER . ... Astronomy . ... Visitor Center . ... Kick-Off Ceremony of the Arecibo Observatory 50th Anniversary . ... On November 17, 2012 the БЂњNoche de las EstrellasБЂќ activity was held at el Morro, Old San Juan. ... In addition to the gathering at el Morro, the Association of Astronomy of Puerto Rico was able to organize observations in Ponce and Arecibo for the БЂњNoche de las EstrellasБЂќ in the island. ...

[ Сохраненная копия ] Ссылки http://www.naic.edu/general/index.php?option=com_content&view=article&id=246:estrellas&catid=105&Itemid=640 -- 17.1 Кб -- 13.04.2016
[ Сохраненная копия ] Ссылки http://www.naic.edu/general/index.php?option=com_content&view=article&id=246:estrellas&catid=105:news&Itemid=640 -- 17.1 Кб -- 13.04.2016
Похожие документы

31. Make a Wish Foundation at AO National Astronomy and Ionosphere Center (Arecibo

NATIONAL ASTRONOMY AND IONOSPHERE CENTER . ... Astronomy . ... Visitor Center . ... Kick-Off Ceremony of the Arecibo Observatory 50th Anniversary . ... Make a Wish Foundation at AO . ... On June 20th, 2012, Victoria Fehr, a 17 year old girl from Indiana, visited the Arecibo Observatory as part of her Make-a-Wish Foundation request. ... VictoriaтАЩs mother reached out to Make-a-Wish to express VictoriaтАЩs wish to visit Puerto Rico and the Arecibo Observatory. ...

[ Сохраненная копия ] Ссылки http://www.naic.edu/general/index.php?option=com_content&view=article&id=245:makeawish&catid=105&Itemid=640 -- 17.2 Кб -- 13.04.2016
[ Сохраненная копия ] Ссылки http://www.naic.edu/general/index.php?option=com_content&view=article&id=245:makeawish&catid=105:news&Itemid=640 -- 17.2 Кб -- 13.04.2016
Похожие документы

32. Visit to AO of Hon. Lisa Kubiske National Astronomy and Ionosphere Center

NATIONAL ASTRONOMY AND IONOSPHERE CENTER . ... Astronomy . ... Visitor Center . ... Kick-Off Ceremony of the Arecibo Observatory 50th Anniversary . ... Visit to AO of Hon. Lisa Kubiske . ... on November 3, 2012 Hon. Lisa Kubiske, US Ambassador in Honduras visited the Arecibo Observatory. ... The Ambassador was able to talk to the students and mentors of the Pre-College Saturday Research Academy at the Arecibo Observatory. ...

[ Сохраненная копия ] Ссылки http://www.naic.edu/general/index.php?option=com_content&view=article&id=244:ambasador&catid=105&Itemid=640 -- 16.8 Кб -- 13.04.2016
[ Сохраненная копия ] Ссылки http://www.naic.edu/general/index.php?option=com_content&view=article&id=244:ambasador&catid=105:news&Itemid=640 -- 16.8 Кб -- 13.04.2016
Похожие документы

33. Make-a-Wish Foundation at the Arecibo Observatory National Astronomy and

[ Сохраненная копия ] Ссылки http://www.naic.edu/general/index.php?option=com_content&view=article&id=223:make-wish&catid=105&Itemid=640 -- 17.6 Кб -- 13.04.2016
[ Сохраненная копия ] Ссылки http://www.naic.edu/general/index.php?option=com_content&view=article&id=223:make-wish&catid=105:news&Itemid=640 -- 17.6 Кб -- 13.04.2016
Похожие документы

34. Astronomers Detect Coolest Radio Star National Astronomy and Ionosphere Center

NATIONAL ASTRONOMY AND IONOSPHERE CENTER . ... Astronomy . ... Visitor Center . ... Kick-Off Ceremony of the Arecibo Observatory 50th Anniversary . ... Astronomers using the worldБЂ™s largest radio telescope, at Arecibo, Puerto Rico, have discovered flaring radio emission from an ultra-cool star, not much warmer than the planet Jupiter, shattering the previous record for the lowest stellar temperature at which radio waves were detected. ...

[ Сохраненная копия ] Ссылки http://www.naic.edu/general/index.php?option=com_content&view=article&id=197:cool-star&catid=105&Itemid=640 -- 19.7 Кб -- 13.04.2016
[ Сохраненная копия ] Ссылки http://www.naic.edu/general/index.php?option=com_content&view=article&id=197:cool-star&catid=105:news&Itemid=640 -- 19.7 Кб -- 13.04.2016
Похожие документы

35. Observation Night National Astronomy and Ionosphere Center (Arecibo...

NATIONAL ASTRONOMY AND IONOSPHERE CENTER . ... Visitor Center . ... Kick-Off Ceremony of the Arecibo Observatory 50th Anniversary . Observation Night . ... This activity was organized by the staff of the †Бngel Ramos Foundation Visitor Center with the collaboration of the Astronomy Society of Puerto Rico. ... The participants also had the chance to view the exhibits at the †Бngel Ramos Foundation Visitor Center as well as to view the new Arecibo Observatory movie at the AO Amphitheater. ...

[ Сохраненная копия ] Ссылки http://www.naic.edu/general/index.php?option=com_content&view=article&id=241:obsnight&catid=105&Itemid=640 -- 16.7 Кб -- 13.04.2016
[ Сохраненная копия ] Ссылки http://www.naic.edu/general/index.php?option=com_content&view=article&id=241:obsnight&catid=105:news&Itemid=640 -- 16.7 Кб -- 13.04.2016
Похожие документы

36. Summer 2012 REU Project Abstracts National Astronomy and Ionosphere Center

NATIONAL ASTRONOMY AND IONOSPHERE CENTER . ... Kick-Off Ceremony of the Arecibo Observatory 50th Anniversary . ... Project Supervisors: Dr. R. Minchin & Dr. R. Taylor, Arecibo Observatory . Abstract . ... Project Supervisors: Dr. R. Taylor & Dr. R. Minchin, Arecibo Observatory . ... Project Supervisors: Christiano Garnett Marques Brum, Edvier Cabassa-Miranda & Nestor Aponte, Arecibo Observatory . ... For this, we are using TEC data registered at the Arecibo Observatory site from 2004 to 2012. ...

[ Сохраненная копия ] Ссылки http://www.naic.edu/general/index.php?option=com_content&view=article&id=230:reu-2012&catid=105&Itemid=640 -- 22.9 Кб -- 13.04.2016
[ Сохраненная копия ] Ссылки http://www.naic.edu/general/index.php?option=com_content&view=article&id=230:reu-2012&catid=105:news&Itemid=640 -- 22.9 Кб -- 13.04.2016
Похожие документы

37. The Fifth Annual Undergraduate ALFALFA Team Workshop National Astronomy and

NATIONAL ASTRONOMY AND IONOSPHERE CENTER . ... Astronomy . ... Visitor Center . ... Kick-Off Ceremony of the Arecibo Observatory 50th Anniversary . ... The Undergraduate ALFALFA Team is an NSF-funded consortium of 18 U.S. institutions that provides undergraduate research opportunities within the ALFALFA project. ... The ALFALFA Legacy survey program is supported by NSF grants AST-0607007 and AST-1107390 and grants from the Brinson Foundation. ...

[ Сохраненная копия ] Ссылки http://www.naic.edu/general/index.php?option=com_content&view=article&id=194:alfalfa2&catid=105&Itemid=640 -- 17.5 Кб -- 13.04.2016
[ Сохраненная копия ] Ссылки http://www.naic.edu/general/index.php?option=com_content&view=article&id=194:alfalfa2&catid=105:news&Itemid=640 -- 17.5 Кб -- 13.04.2016
Похожие документы

38. Astronomers tracking Asteroid 2005YU55 flyby National Astronomy and Ionosphere

NATIONAL ASTRONOMY AND IONOSPHERE CENTER . ... Astronomy . ... Visitor Center . ... Kick-Off Ceremony of the Arecibo Observatory 50th Anniversary . ... ASTEROID 2005 YU55 . ... ASTEROID FLYBY : NASA radars are monitoring 2005 YU55, an asteroid the size of an aircraft carrier, as it heads for a Nov. 8th flyby of the Earth-Moon system. ... Astronomers used the planetary radar system at the Arecibo Observatory radio telescope to spot the asteroid, called 2005 YU55, over four days starting on April 19 . ...

[ Сохраненная копия ] Ссылки http://www.naic.edu/general/index.php?option=com_content&view=article&id=158:2005yu55&catid=105&Itemid=640 -- 18.4 Кб -- 13.04.2016
[ Сохраненная копия ] Ссылки http://www.naic.edu/general/index.php?option=com_content&view=article&id=158:2005yu55&catid=105:news&Itemid=640 -- 18.4 Кб -- 13.04.2016
Похожие документы

39. Nuclear and Particle Physicists visit the Arecibo Observatory National

NATIONAL ASTRONOMY AND IONOSPHERE CENTER . ... Astronomy . ... Visitor Center . ... Kick-Off Ceremony of the Arecibo Observatory 50th Anniversary . ... Visit to AO of Hon. ... A group of Nuclear and Particle Physicists that are in Puerto Rico participating in their Winter Workshop on Nuclear Dynamics visited the Arecibo Observatory on April 12, 2012. ...

[ Сохраненная копия ] Ссылки http://www.naic.edu/general/index.php?option=com_content&view=article&id=196:nuclear&catid=105&Itemid=640 -- 17.9 Кб -- 13.04.2016
[ Сохраненная копия ] Ссылки http://www.naic.edu/general/index.php?option=com_content&view=article&id=196:nuclear&catid=105:news&Itemid=640 -- 17.9 Кб -- 13.04.2016
Похожие документы

40. Dr. Rafael Rodrigo Visiting Scholar National Astronomy and Ionosphere Center

NATIONAL ASTRONOMY AND IONOSPHERE CENTER . ... Astronomy . ... Visitor Center . ... Kick-Off Ceremony of the Arecibo Observatory 50th Anniversary . ... Visit to AO of Hon. ... Dr. Rafael Rodrigo, former President of the Spanish Research Council (CSIC) in Spain, is a Visiting Scholar since February, 2012 at the Ana G. M†йndez University System (AGMUS)-Universidad Metropolitana (UMET)-Arecibo Observatory (AO). ...

[ Сохраненная копия ] Ссылки http://www.naic.edu/general/index.php?option=com_content&view=article&id=189:rodrigo&catid=105&Itemid=640 -- 17.3 Кб -- 13.04.2016
[ Сохраненная копия ] Ссылки http://www.naic.edu/general/index.php?option=com_content&view=article&id=189:rodrigo&catid=105:news&Itemid=640 -- 17.3 Кб -- 13.04.2016
Похожие документы

Пред. | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | След. [ В конец ]

Комментарии, вопросы? Пишите: info@astronet.ru или сюда