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antenna    音标拼音: [ænt'ɛnə]
n. 天线,触须,触角

天线,触须,触角

antenna
天线

antenna
n 1: an electrical device that sends or receives radio or
television signals [synonym: {antenna}, {aerial}, {transmitting
aerial}]
2: sensitivity similar to that of a receptor organ; "he had a
special antenna for public relations" [synonym: {antenna},
{feeler}]
3: one of a pair of mobile appendages on the head of e.g.
insects and crustaceans; typically sensitive to touch and
taste [synonym: {antenna}, {feeler}]

Antenna \An*ten"na\, n.; pl. {Antenn[ae]}. [L. antenna
sail-yard; NL., a feeler, horn of an insect.]
1. (Zool.) A movable, articulated organ of sensation,
attached to the heads of insects and Crustacea. There are
two in the former, and usually four in the latter. They
are used as organs of touch, and in some species of
Crustacea the cavity of the ear is situated near the basal
joint. In insects, they are popularly called horns, and
also feelers. The term in also applied to similar organs
on the heads of other arthropods and of annelids.
[1913 Webster]

2. (Electronics) A metallic device, variously shaped,
designed for the purpose of either transmitting or
receiving radio waves, as for radio or television
broadcasting, or for transmitting communication signals.
Some types are: {whip antenna}, {antenna tower}, {horn
antenna}, {dish antenna}, {directional antenna} and
{rabbit ears}. See {transmitter}, {receiver}.
[PJC]

29 Moby Thesaurus words for "antenna":
aerials, barb, barbel, barbule, bedspring type, cat whisker,
directional antenna, dish, doublet, feed-and-reflector unit,
feeler, mast, mattress type, palp, palpus, reflector,
rhombic antenna, scanner, strike radar scanner, tactile cell,
tactile corpuscle, tactile hair, tactile organ, tactile process,
tactor, tower, transmitting antenna, vibrissa, wave antenna



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  • Antenna (radio) - Wikipedia
    Antennas can be designed to transmit and receive radio waves in all horizontal directions equally (omnidirectional antennas), or preferentially in a particular direction (directional, or high-gain, or "beam" antennas)
  • The Best Digital TV Antennas for 2025 - PCMag
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  • The best TV antennas of 2025: tested and rated - Toms Guide
    We recommend researching beforehand to determine what range of antenna you need, and whether you want an indoor model or an antenna made for outdoor installation
  • AntennaWeb - Antenna Signal Prediction
    Our Antenna signal prediction service will help you evaluate alternatives to expensive cable or satellite subscriptions Use AntennaWeb org to explore your television viewing options
  • TV Antennas Audio Video Antennas: Electronics - amazon. com
    Shop through a wide selection of TV Antennas at Amazon com Free shipping and free returns on Prime eligible items
  • TV Antenna: HDTV Digital TV Antennas - Best Buy
    Get sharp pictures from your local stations with TV antennas from Best Buy Shop indoor outdoor digital TV antennas or an amplified HDTV antenna for indoor use
  • Antenna | Types, Uses Benefits | Britannica
    antenna, component of radio, television, and radar systems that directs incoming and outgoing radio waves
  • TV Antenna Map by Zip Code – Channel Master
    These popular channels and more are available in the US and can be received nationwide with a TV antenna Enter your address for a map of broadcast towers and signal information in your area
  • Antenna Basics
    Before we can design an antenna or discuss antenna types, we must understand the basics of antennas, which are the fundamental parameters that characterize an antenna
  • How do antennas and transmitters work? - Explain that Stuff
    That's more or less what an antenna (sometimes called an aerial) does: it's the metal rod or dish that catches radio waves and turns them into electrical signals feeding into something like a radio or television or a telephone system Antennas like this are sometimes called receivers





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