Definition of Antennas. Meaning of Antennas. Synonyms of Antennas

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Definition of Antennas

Antenna
Antenna An*ten"na, n.; pl. Antenn[ae]. [L. antenna sail-yard; NL., a feeler, horn of an insect.] (Zo["o]l.) 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.

Meaning of Antennas from wikipedia

- transmitter. Antennas can be designed to transmit and receive radio waves in all horizontal directions equally (omnidirectional antennas), or preferentially...
- Look up antenna or antennae in Wiktionary, the free dictionary. Antenna (pl.: antennas or antennae) may refer to: Antenna (biology), one of one or more...
- as antennas at UHF and microwave frequencies, above 300 MHz. A lens antenna uses a lens to direct or collect microwave radiation. An array antenna is...
- antenna radiates circularly polarized radiation along its axis. Specialized normal mode turnstile antennas called superturnstile or batwing antennas are...
- low-gain antennas, dipoles are also emplo**** as driven elements in more complex antenna designs such as the Yagi antenna and driven arrays. Dipole antennas (or...
- widely used as antennas at UHF and microwave frequencies, above 300 MHz. They are used as feed antennas (called feed horns) for larger antenna structures...
- logarithmic spiral antennas are independent of frequency: the driving point impedance, radiation pattern and polarization of such antennas remain unchanged...
- different countries. Television antennas are manufactured in two different types: indoor and outdoor antennas. Indoor antennas are designed to be located on...
- of antennas with dynamic beamforming ability. An advantage inherent to patch antennas is the ability to have polarization diversity. Patch antennas can...
- the boresight axis. Most antennas boresight axis is fixed by their shape and cannot be changed. However phased array antennas can electronically steer...