- Anechoic chamber
File anechoic chamber.jpg thumb 200px An anechoic chamber An anechoic chamber an echoic meaning non echoing ... with almost none reflected back. Common anechoic chamber experiments include measuring the transfer .... In general, the interior of an anechoic chamber is very quiet, with typical noise levels in the 10 ... Eckel Industries designed anechoic chamber is The quietest place on earth measured at &minus ... anechoic chamber to produce high quality music free of outside noise and unwanted echoes. Radio frequency anechoic chambers File Radio frequency anechoic chamber HDR 0a.jpg thumb right An RF anechoic chamber. The internal appearance of the radio frequency RF anechoic chamber is sometimes similar to that of an acoustic anechoic chamber, however, the interior surfaces of the RF anechoic chamber are covered ... material http www.tdkrfsolutions.com absorbers.htm . The RF anechoic chamber is typically used ... which use pyramidal RAM also exhibit some of the properties of an acoustic anechoic chamber, such as attenuation ... electronics lossy material. To work effectively, all internal surfaces of the anechoic chamber ... 875567&isnumber 18905 . Effectiveness over frequency File Anechoic chamber wall.JPG thumb 200px Close ... size to absorb that wavelength. The performance quality of an RF anechoic chamber is determined by its ... into a screened room An RF anechoic chamber is usually built into a screened room, designed ... companies, such an investment in a large RF anechoic chamber is not justifiable unless it is likely ... of the chamber along the power cables. Health and safety risks associated with RF anechoic chamber The following ... facilities ?content anechoic Pictures and description of an acoustic anechoic chamber http ... Hill anechoic chamber cite web url http web.archive.org web 20070929125245 http www.npl.co.uk acoustics facilities airborne ff.html title Acoustics Anechoic Chamber work The UK s National Measurement ... from building an anechoic chamber in CTU, Prague http www.showstudio.com projects anechoic movies ... more details
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- Anechoic tile
NOTOC File HMS Triumph 1 crop.jpg thumb 325px Anechoic tiles on the hull of HMS Triumph S93 HMS Triumph . Two patches of missing tiles are visible towards the forward edge of the sail. Anechoic tiles are rubber or synthetic polymer tiles containing thousands of tiny voids, applied to the outer hulls of military ships and submarine s, as well as anechoic chamber s. Their function is twofold To absorb the sound waves of Sonar Active sonar active sonar , reducing and distorting the return signal, thereby reducing its effective range. To attenuate the sounds emitted from the vessel, typically its engines, to reduce the range at which it can be detected by Sonar Passive sonar passive sonar . Development by Nazi Germany File UBOAT1308 5.png thumb left A close up view of an Alberich tile, which illustrates the holes pattern The technology of anechoic tiles was developed by the Kriegsmarine in the Second World War . Code name Codenamed Alberich after Alberich the invisible sorcerer from Germanic Mythology . The coating was made up of sheets approximately convert 1 m ftin abbr on square and convert 4 mm in abbr on thick, with rows of holes in two sizes, convert 4 mm in abbr on and convert 2 mm in abbr on in diameter. ref name Alberich 1 cite web url http www.uboataces.com sonar coating.shtml title Anti Sonar Coating publisher www.uboataces.com accessdate 17 December 2010 ref ref name Alberich 2 cite web url http www.uboatarchive.net U 135INT.htm title C.B. 04051 76 U 135 Interrogation of Survivors November, 1943 publisher uboatarchive.net accessdate 17 December 2010 ref ref name Alberich ... XXIII , U 4709 , was coated with the anechoic tiles. ref name Alberich 1 U boats with the anechoic ... submarine also used anechoic tile technology supplied by Germany. Use by the Soviet Union After the war ... with machinery at that location inside the hull. The Royal Navy started using anechoic tiles in 1980 ... using anechoic tiles in the mid 1980s, with the Los Angeles class submarine improved 688 class submarine ... more details
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- Benefield Anechoic Facility
Benefield Anechoic Facility BAF is an anechoic chamber located at the southwest side of the Edwards Air Force Base main base. It is currently the world s largest anechoic chamber. ref http www.nasa.gov centers dryden news NewsReleases 2000 00 20 pf.html X 43A VEHICLE TESTED IN THE WORLD S LARGEST ANECHOIC CHAMBER NASA Dryden News Releases ref ref Audio Junkies, August 22, 2007 http www.audiojunkies.com blog 503 the worlds largest anechoic chamber ref The BAF supports installed systems testing for avionics test programs requiring a large, shielded chamber with radio frequency RF absorption capability that simulates free space . The facility is named after Rockwell International Rockwell test pilot and flight commander Tommie Douglas Doug Benefield who was killed in a crash 22 miles northeast of Edwards Air Force Base in the desert east of Boron on August 29, 1984 during a USAF B 1 Lancer flight test . ref NASA, Dryden Flight Research Center, July 31, 2008 http www.nasa.gov centers dryden news X Press safety lessons spotlight.html ref ref City of Lancaster 2002 Honorees http www.cityoflancasterca.org index.aspx?page 198 ref ref Ejection History.org http www.ejection history.org.uk Aircraft by Type b 1 lancer.htm ref Purpose The BAF is a ground test facility to investigate and evaluate anomalies associated with EW systems, avionics, tactical missiles and their host platforms. Tactical sized, single or multiple, or large vehicles can be operated in a controlled Electromagnetic radiation electromagnetic EM environment with emitters on and sensors stimulated while RF signals are recorded and analyzed. The largest platforms tested at the BAF have been the B 52 and C 17 aircraft. The BAF supports testing of other types of systems such as spacecraft, tanks, satellites, air defense systems, drones and armored vehicles. The BAF equipment generates RF signals with a wide variety of characteristics, simulating red blue gray unfriendly friendly unknown surface based, sea based, and airborne ... more details
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- The Chamber
The Chamber may refer to The Chamber novel The Chamber novel , by John Grisham The Chamber film The Chamber film The Chamber game show The Chamber game show Disambig ... more details
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- Chamber
wiktionary chamber Chamber may refer to Chamber comics , a Marvel Comics superhero associated with the X Men Chamber firearms , the portion of the barrel or firing cylinder in which the cartridge is inserted prior to being fired Chambers law , the rooms used by a barrister or to an association of barristers A room inside a building Great Chamber , the second most important room in a medieval or Tudor English castle, palace, mansion or manor house Chambar , a town in Pakistan also spelt Chamber Environment chamber used in testing Chamber TempTale , a USB Interface Plus Reader It may also refer to Chambers of commerce , a business network with local, regional, national, international and bi lateral Chambers List of employer associations and other business organizations Chambers of parliament , in politics Chamber music , a form of classical music, written for a small group of instruments which traditionally could be accommodated in a palace chamber Combustion chamber , part of an engine in which fuel is burned The Chamber may also refer to The Chamber game show , a short lived game show on FOX The Chamber novel The Chamber novel , a suspense novel by John Grisham The Chamber film The Chamber film , based on the novel See also lookfrom Chamber disambig de Kammer es C mara eo Kamero fr Chambre gl C mara it Camera nl Kamer ru uk ... more details
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- In a Chamber
Infobox album See Wikipedia WikiProject Albums Name In a Chamber Type Album Artist Wire Train Cover Album wire train chamber.jpg Released 1984 Label Columbia Records Columbia 415 Records 415 Producer David Kahne In a Chamber is Wire Train s first full length album, released in 1984. U2 s Bono claimed it to be his personal favorite album of that year. ref name wire train bio cite web url http www.wiretrain.co.uk wtbiog.htm title Wire Train Biography accessdate 2008 04 30 ref Track listing I ll Do You Everything s Turning Up Down Again Never Like I Forget It All When I See You Chamber Of Hellos Slow Down She s On Fire I Gotta Go Love Against Me References reflist Category 1984 debut albums Category Albums produced by David Kahne Category 415 Records albums newwave album stub ... more details
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- Reverberation chamber
mergeto Reverberation room date April 2012 Unreferenced date December 2009 Orphan date December 2009 The term reverberation Chamber is used in acoustics as well as in electrodynamics . Reverberation room s or echo chamber s are used for sound applications. Electromagnetic reverberation chamber s are used for electromagnetic compatibility testing and related Electromagnetism electromagnetic applications. See also Anechoic chamber Category Acoustics Category Electromagnetic radiation ... more details
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- Echo chamber
external noises and internally Anechoic chamber anechoic that is, they were designed not to produce ... Delay Line, and many others into the eighties. See also Reverberation room An echo chamber for scientific measurement Acoustics Anechoic chamber Telephone game R.G. Keen The Technology of Oil Can Delays ...for metaphorical echo chambers in media Echo chamber media Refimprove date March 2008 image Hallraum TU Dresden 2009 06 21.jpg thumb right Echo chamber of the Dresden University of Technology image Hamilton Mausoleum Interior.jpg thumb right Hamilton Mausoleum has a spectacularly long lasting unplanned echo An echo chamber is a hollow enclosure used to produce Echo phenomenon echoing sounds, usually for recording purposes. For example, the producers of a television or radio program might wish to produce the aural illusion that a conversation is taking place in a cave this effect might be accomplished by playing the recording of the conversation inside an echo chamber, with an accompanying microphone ... and physical methods. Acoustically speaking, the classic novel echo chamber creates echoes in the same .... Producing echo and reverberation in this form of echo chamber is remarkably simple. A signal from the studio ... at one end of the echo chamber. One or more microphones are placed along the length of the room and these pick up both the sound from the speaker and the echoes of it that bounce off the walls of the chamber ..., giving Bowie s voice a strikingly reverberant sound. The original echo chamber at EMI s Abbey ... echo chamber. Buildings such as churches, church halls and ballrooms have often been chosen for the recording ... labels could not afford large purpose built echo chambers such as the Abbey Road chamber, so ... digital audio technologies, it became possible to simulate almost every echo chamber effect by processing ...?title Echo chamber title SourceWatch entry on media Echo Chamber effect date 2006 10 22 work SourceWatch Bathroom singing References reflist DEFAULTSORT Echo Chamber Category Sound recording technology ... more details
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- Chamber of Corporations
A Chamber of Corporations is a key element in the idea of corporatism and could mean either The Chamber of Fasci and Corporations was the lower chamber of the bicameral legislature of Italy between 1939 and 1943, replacing the popularly elected Chamber of Deputies . In Portugal during the Estado Novo Portugal Estado Novo regime, the upper chamber was dubbed Chamber of Corporations Portugal Chamber of Corporations . disambig ... more details
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- Single-chamber
Single chamber may refer to Single chamber government , a government having only one legislative or parliamentary chamber Single chamber pacemaker , a pacemaker in which only one pacing lead is placed into a chamber of the heart disambig ... more details
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- Rescue Chamber
Disambig Rescue Chamber can refer to McCann Rescue Chamber , a device for rescuing submariners from a submarine that is unable to surface Mine Rescue Chamber , an emergency shelter installed in underground environments. ... more details
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- Chamber of Representatives
There are at several political assemblies known as the Chamber of Representatives . Each one forms the lower house of a bicameralism bicameral legislature . Chambre des repr sentants de France French Chamber of Representatives , the lower body of the French Parliament during the Hundred Days Chamber of Representatives of Belarus Chamber of Representatives of Belgium Chamber of Representatives of Colombia Chamber of Representatives of Morocco Chamber of Representatives of Uruguay disambig ... more details
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- Chamber of Horrors
Chamber of Horrors may refer to The Door with Seven Locks 1940 film The Door with Seven Locks 1940 film , a 1940 black and white British film, released in the United States as Chamber of Horrors Chamber of Horrors 1966 film Chamber of Horrors 1966 film , a 1966 horror film directed by Hy Averback Chamber of Horrors 1929 film Chamber of Horrors 1929 film , a 1929 British silent film directed by Walter Summers disambiguation ... more details
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- Chamber Singers
Chamber Singers may refer to a choir H B Woodlawn Chamber Singers disambig Long comment to avoid being listed on short pages ... more details
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- Wenyuan Chamber
Image Wen Yuan Chamber.JPG thumb right 300px Wenyuan Chamber Imperial Library The Wenyuan Chamber zh s t p W nyu n G , an imperial library of the Qing Dynasty in the Forbidden City in Beijing , was built in 1776 . It stores numerous works, including the Sikuquanshu . The architecture style of Wenyuan Chamber was based on the renowned Tianyi Chamber in Ningbo . Wenjin Chamber in the Mountain Resort is another remaining imperial library of the Qing Dynasty. At present, the Wenyuan Chamber is not open to the public. See also Tianyi Chamber Wenjin Chamber Library stub PRC struct stub coord missing Beijing Category Forbidden City Category Buildings and structures in Beijing Category Qing Dynasty Category Libraries in China zh ... more details
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- Steam chamber
A Steam chamber is an enclosed space containing steam. Relevant articles include Steam chamber holocaust claim Steambath Steam room disambig ... more details
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- Cardiac chamber
A Cardiac chamber may refer to either Atrium heart Ventricle heart The direct translation of cardiac chamber to Swedish refers specifically to cardiac ventricle . disambig uk ... more details
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- Body chamber
Unreferenced stub auto yes date December 2009 Image Nautilus pompilius.jpg thumb Nautilus pompilius The body chamber , also called the living chamber , is the outermost or last chamber in the Animal shell shell of a nautiloid or Ammonoidea ammonoid cephalopod . The body of the animal occupies the living chamber, apart from the siphuncle which extends through the rest of Septa biology septa the phragmocone to provide buoyancy . Cephalopod anatomy DEFAULTSORT Body Chamber Category Cephalopod zootomy Nautiloidea stub Ammonite stub ... more details
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- Chamber choir
Unreferenced date November 2006 A chamber choir or group of chamber singers is the Choir choral equivalent of a chamber Musical ensemble ensemble , using voices instead of instruments. This choir will usually consist of 20 40 elite and dedicated singers. Several chamber choir formats exist, ranging from Barbershop music barbershop groups to exclusively female arrangements. DEFAULTSORT Chamber Choir Category Choirs Band stub de Kammerchor es Coro de c mara nl Kamerkoor no Kammerkor fi Kamarikuoro sv Kammark r ... more details
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- Vitreous chamber
unreferenced date October 2009 The vitreous chamber or postremal chamber occupies posterior 4 5ths of the human eyeball eyeball . This chamber of consists of the space between the lens and the retina, and is filled with a transparent gel called the vitreous humor . References reflist Eye Category Eye anatomy anatomy stub ... more details
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- Chamber ballet
orphan date June 2010 A chamber ballet is a chamber music performance or work that features one or more ballet dancers. Examples are a chamber music composition with the addition of dancers, or a full scale ballet performed using a smaller ensemble. Ballet Category Ballet ru dance stub ... more details
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- Chamber TV
Infobox TV channel name Chamber TV logofile logosize logoalt logo2 launch 4 December 2001 closed date picture format share share as of share source network owner slogan country Luxembourg language French language French and Luxembourgish language Luxembourgish broadcast area affiliates headquarters former names replaced names replaced by names sister names timeshift names web http www.chd.lu fr web TV default.jsp www.chd.lu terr serv 1 terr chan 1 sat serv 1 sat chan 1 cable serv 1 cable chan 1 sat radio serv 1 sat radio chan 1 adsl serv 1 adsl chan 1 online serv 1 online chan 1 3gmobile serv 1 Chamber TV is a Luxembourg ian television channel that broadcasts coverage of the activities of the national legislature, the Chamber of Deputies of Luxembourg Chamber of Deputies . It is available cable television by cable and satellite television by satellite . It is owned and managed by the Chamber of Deputies, under the direction of the President of the Chamber of Deputies President of the Chamber currently Laurent Mosar Parliamentary broadcasters Category Legislature broadcasters Category Luxembourg television networks Luxembourg stub europe tv station stub de Chamber TV fr Chamber TV lb Chamber TV nl Chamber TV ... more details
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- Resonance chamber
Unreferenced stub auto yes date December 2009 A resonance chamber uses resonance to amplify sound . The chamber has interior surfaces which reflect an acoustics acoustic wave. When a wave enters the chamber, it bounces back and forth within the chamber with low loss See standing wave . As more wave energy enters the chamber, it combines with and reinforces the standing wave, increasing its Amplitude intensity . See also Cavity resonator electrical version Resonance Sounding box Waveguide DEFAULTSORT Resonance Chamber Category Acoustics Sci stub ru ... more details
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- Api Chamber
Image Api Chamber.png right Api Chamber is a chamber in Whiterock Cave in Mount Api , Gunung Mulu National Park , Sarawak , Malaysia . Measuring 300 m by 200 m and with a surveyed circumference of 900 m it is the ninth largest cave chamber by area in the world. Its height is over 100 m and its plan area is 58,000 square metres. It is the second largest chamber in Malaysia, after Sarawak Chamber . It was discovered during the Benarat 2005 Expedition Benarat 2005 Caving Expedition by Dave Nixon and Mark Brown. External links http www.daveclucas.com Benarat2005 Pages Api.html Benarat 2005 Caving Expedition coord missing Malaysia Category Caves of Malaysia Sarawak geo stub ... more details
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- Sievert chamber
A Sievert chamber is a type of ionization chamber used in radiation dose measurements. It was invented by Professor Rolf Maximilian Sievert in Sweden in the years 1920 40. ref cite web title Rolf Sievert, the man and the unit work Department of Oncology Pathology publisher Karolinska Institutet date 2007 02 09 accessdate 2011 03 12 url http ki.se ki jsp polopoly.jsp?l en&d 9498&a 18510 ref See also Ionization chamber Dosimetry References Reflist nuclear stub Category Particle detectors ... more details
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