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anechoic chamber |
Also found in: Dictionary/thesaurus, Wikipedia, Hutchinson | 0.03 sec. |
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anechoic chamber [¦an·ə¦kō·ik ′chām·bər] (engineering) A test room in which all surfaces are lined with a sound-absorbing material to reduce reflections of sound to a minimum. Also known as dead room; free-field room. A room completely lined with a material that absorbs radio waves at a particular frequency or over a range of frequencies; used principally at microwave frequencies, such as for measuring radar beam cross sections. How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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); Laboratory, 2000,
imaging an anechoic chamber, used in the motor industry for testing
engine noise levels; Collection, 2001, based on photos of the singer
Engelbert Humperdinck's collection of gold records; and Space
Simulator, 2003, a roughly ten-by-fourteen-foot image of the device used
for training American astronauts. The facility, named for a test pilot killed in a crash of a B-1A
bomber, is the world's largest anechoic chamber for testing
airborne electronic warfare systems, according to Dr. -- Anechoic Chamber -- Measures the amount and quality of acoustic
output to improve acoustic performance. |
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