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antenna
antenna
The Oxford Pocket Dictionary of Current English
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2009
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© The Oxford Pocket Dictionary of Current English 2009, originally published by Oxford University Press 2009. (Hide copyright information)
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an·ten·na
/ anˈtenə/
•
n.
1.
Zool.
(pl. -ten·nae
/ -ˈtenē/ )
either of a pair of long, thin sensory appendages on the heads of insects, crustaceans, and some other arthropods.
∎ (antennae) fig.
the faculty of instinctively detecting and interpreting subtle signs:
he has the political antennae of a party whip.
2.
(pl. -ten·nas
)
a rod, wire, or other device used to transmit or receive radio or television signals.
DERIVATIVES:
an·ten·nal
/ -ˈtenl/ adj.
(in sense 1).
an·ten·na·ry
/ -ˈtenərē/ adj.
(in sense 1).
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Antennas America, Inc. Licensed by DIRECTV(R) to Manufacture its new Freedom(TM) Antenna System
PR Newswire; 7/14/1997; 700+ words
; ...over-the-air antennas, the Company offers the WALLDO(TM) Antenna as an alternative...complete line of antenna and related systems...planar array flat antennas for indoor and outdoor...well as conformal antennas designed for smaller...provides custom antenna designs and ...
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Antennas - parameters and definitions. (antennas for electronic warfare applications)
Magazine article from: Journal of Electronic Defense; 9/1/1997; ; 700+ words
; ...starts a series on antennas for EW applications...been tossing around antenna parameters in earlier...for various types antennas, provide a guide...matching the type of antenna to the job it must...Functionally, any antenna can either transmit...signals. However antennas designed for ...
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GNSS antennas: an introduction to bandwidth, Gain pattern, polarization, and all that.(INNOVATION)
Magazine article from: GPS World; 2/1/2009; ; 700+ words
; ...specifying a GNSS antenna. We explain...properties of GNSS antennas in general...coverage, all GNSS antennas share the same properties. GNSS Antenna Properties A...However, such an antenna cannot be built...world" GNSS antennas see a gain roll...
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Antennas: highly visible and hardly visible.
Magazine article from: Journal of Electronic Defense; 5/1/1999; ; 700+ words
; ...takes very long antennas. The VLF antenna is a trailing wire...communications antenna ever designed...phased-array antennas and is being fabricated...will probably have antennas. * You can't hide an antenna by covering it with...
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Antennas: critical links in the wireless signal chain.(Cover Story)
Magazine article from: EDN; 6/6/1996; ; 700+ words
; ...uncomfortable dealing with antennas, which, in EMI/RFI...against it. Yet, good antennas, or "aerials," at...are vital. The right antenna can increase performance...matching let you realize an antenna's maximum potential...Although it may seem that antennas, like wallpaper patterns...
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Antennas Direct to Exhibit CEA-909A-Enabled Smart Antenna Sept. 4-7 at CEDIA Expo 2008, Booth 935.
Newspaper article from: Entertainment Newsweekly; 9/19/2008; 700+ words
; ...St. Louis-based Antennas Direct introduced the first CEA-909A Smart Antenna for digital television. Antennas Direct, in partnership...in over-the-air antenna technology. These...compliant Smart Antennas are electronically...
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Antennas barred in Rock Creek Park.(Business)
Newspaper article from: The Washington Times; 4/11/1998; ; 700+ words
; ...also been struggling to place antennas in the historic section of...needs to take long looks at antenna proposals to prevent companies from planting large monopole antennas throughout public parks, Mr...Kittleman said. The agency expects antenna opposition from conservation...
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Antennas America, Inc. Receives Patent
PR Newswire; 4/24/1998; 700+ words
; ...PRNewswire/ -- Antennas America, Inc. (OTC...patent application of an antenna assembly that includes...Walldo(TM) local TV antenna systems." Antennas America, Inc. is...manufacture unique antenna solutions for the rapidly...
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Antennas: Where the rubber meets the road; Handset market demands low-cost volumes, sophisticated innovation.(Spotlight)
Magazine article from: RCR Wireless News; 11/12/2007; 700+ words
; ...key mantra in the antenna component space. Antennas need precious room...another mantra-main antennas now have a second, backup antenna to ensure that...design their own antennas, made by volume...own designs go to antenna specialists and...
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Antenna basics.
Magazine article from: Microwave Journal; 1/1/1998; ; 700+ words
; ...twofold nature of most antennas and leads into the article's first topic: the antenna's impedance-matching...ANTENNA EFFICIENCY Antenna efficiency is a complicated...often misused term. All antennas suffer from losses. For example, a simple horn antenna will not be as efficient...
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antenna
Book article from: The Columbia Encyclopedia, Sixth Edition
...the design of the antenna; the transmitting antennas of a radio station...theoretically, the same antenna can be used both...instances transmitting antennas are designed differently...signals on a small antenna element. Phased array antennas, used for long...
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horn antenna
Book article from: A Dictionary of Astronomy
horn antenna An antenna in the shape of a flared horn. It...feed at the focus of a parabolic antenna. The cosmic microwave background was first detected with a large horn antenna. Horn antennas have very low side lobes and are...
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antenna temperature
Book article from: A Dictionary of Astronomy
antenna temperature A measure of signal strength in radio astronomy...same signal power as the source under observation. Antenna temperature is a property of the source, not of the antenna itself. Where a uniform extended source fills the telescope...
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parabolic antenna
Book article from: A Dictionary of Astronomy
parabolic antenna A bowl-shaped aerial with...bowl; also known as a dish antenna . At the focal point is a...High-performance parabolic antennas are often of the Cassegrain...principle of a parabolic antenna is identical to that of the...
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antenna pattern
Book article from: A Dictionary of Astronomy
antenna pattern A graph of the sensitivity or gain...telescope in various directions. A typical antenna pattern shows several sensitivity maxima...which the telescope is most sensitive. An antenna pattern with a narrow main lobe of circular...
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