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A batwing or super turnstile antenna is a broadcasting antenna used at VHF and UHF frequencies, named for its distinctive shape resembling a bat wing or bow tie. Stacked arrays of batwing antennas are used as television broadcasting antennas due to their omnidirectional characteristics. [1] Batwing antennas generate a horizontally polarized signal.
Bat flight. A bat wing, which is a highly modified forelimb. Bats are the only mammal capable of true flight. Bats use flight for capturing prey, breeding, avoiding predators, and long-distance migration. Bat wing morphology is often highly specialized to the needs of the species.
1 / 10 bel. The decibel (symbol: dB) is a relative unit of measurement equal to one tenth of a bel (B). It expresses the ratio of two values of a power or root-power quantity on a logarithmic scale. Two signals whose levels differ by one decibel have a power ratio of 10 1/10 (approximately 1.26) or root-power ratio of 10 1/20 (approximately ...
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The lux (symbol: lx) is the unit of illuminance, or luminous flux per unit area, in the International System of Units (SI). [1][2] It is equal to one lumen per square metre. In photometry, this is used as a measure of the intensity, as perceived by the human eye, of light that hits or passes through a surface. It is analogous to the radiometric ...
Batwing may refer to: In fiction. Batplane, the Batman vehicle; Batwing (Marvel Comics), a Marvel Comics character; Batwing (DC Comics), a DC Comics character;
Atrophaneura. Species: A. varuna. Binomial name. Atrophaneura varuna. White, 1842 [1] Atrophaneura varuna, the common batwing, is a butterfly found in India and Southeast Asia that belongs to the swallowtail family, and more specifically, the batwings group of Atrophaneura, comprising tailless black swallowtail butterflies.
Batwing is the alias used by several characters in American comic books published by DC Comics. Both versions of the character are superheroes inspired by Batman notable for their technological capabilities. The first Batwing is David Zavimbe, a Congolese police officer created by writer Grant Morrison and debuting in Batman Incorporated #5 in ...