Translation and analysis of words by ChatGPT artificial intelligence
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hertz$34912$ - translation to greek
![Feedpoint impedance of (near-) half-wave dipoles versus electrical length in wavelengths. Black: [[radiation resistance]]; blue: reactance for 4 different values of conductor diameter.](https://commons.wikimedia.org/wiki/Special:FilePath/DipoleImpedance.png?width=200 "Feedpoint impedance of (near-) half-wave dipoles versus electrical length in wavelengths. Black: [[radiation resistance]]; blue: reactance for 4 different values of conductor diameter.")
![induced EMF method]], an approximation that breaks down at larger conductor diameters (dashed portion of graph).](https://commons.wikimedia.org/wiki/Special:FilePath/DipoleReductionFactor.jpg?width=200 "induced EMF method]], an approximation that breaks down at larger conductor diameters (dashed portion of graph).")
![Q factor]] that the feed voltage is much smaller in relation to the standing wave. Since the antenna is fed at its resonant frequency, the input voltage is in phase with the current (blue bar), so the antenna presents a pure resistance to the feedline. The energy from the driving current provides the energy radiated as radio waves. In a receiving antenna the phase of the voltage at the transmission line would be reversed, since the receiver absorbs energy from the antenna.](https://commons.wikimedia.org/wiki/Special:FilePath/Dipole antenna standing waves animation 6 - 5fps.gif?width=200 "Q factor]] that the feed voltage is much smaller in relation to the standing wave. Since the antenna is fed at its resonant frequency, the input voltage is in phase with the current (blue bar), so the antenna presents a pure resistance to the feedline. The energy from the driving current provides the energy radiated as radio waves. In a receiving antenna the phase of the voltage at the transmission line would be reversed, since the receiver absorbs energy from the antenna.")
![Dipole antenna used by the [[radar altimeter]] in an airplane](https://commons.wikimedia.org/wiki/Special:FilePath/Dipole radar altimeter antenna.jpg?width=200 "Dipole antenna used by the [[radar altimeter]] in an airplane")
![Animated diagram of a [[half-wave dipole]] antenna receiving a radio wave. The antenna consists of two metal rods connected to a receiver ''R''. The [[electric field]] ''(<span style="color:green;">E, green arrows</span>)'' of the incoming wave pushes the [[electron]]s in the rods back and forth, charging the ends alternately positive ''<span style="color:red;">(+)</span>'' and negative ''<span style="color:blue;">(−)</span>''. Since the length of the antenna is one half the [[wavelength]] of the wave, the oscillating field induces [[standing wave]]s of voltage ''(<span style="color:red;">V, represented by red band</span>)'' and current in the rods. The oscillating currents ''(black arrows)'' flow down the transmission line and through the receiver (represented by the resistance ''R'').](https://commons.wikimedia.org/wiki/Special:FilePath/Dipole receiving antenna animation 6 800x394x150ms.gif?width=200 "Animated diagram of a [[half-wave dipole]] antenna receiving a radio wave. The antenna consists of two metal rods connected to a receiver ''R''. The [[electric field]] ''(<span style=\"color:green;\">E, green arrows</span>)'' of the incoming wave pushes the [[electron]]s in the rods back and forth, charging the ends alternately positive ''<span style=\"color:red;\">(+)</span>'' and negative ''<span style=\"color:blue;\">(−)</span>''. Since the length of the antenna is one half the [[wavelength]] of the wave, the oscillating field induces [[standing wave]]s of voltage ''(<span style=\"color:red;\">V, represented by red band</span>)'' and current in the rods. The oscillating currents ''(black arrows)'' flow down the transmission line and through the receiver (represented by the resistance ''R'').")
!["Rabbit-ears" VHF [[television antenna]] (the small loop is a separate UHF antenna).](https://commons.wikimedia.org/wiki/Special:FilePath/Rabbit-ears dipole antenna with UHF loop 20090204.jpg?width=200 "\"Rabbit-ears\" VHF [[television antenna]] (the small loop is a separate UHF antenna).")
![A [[reflective array antenna]] for radar consisting of numerous dipoles fed in-phase (thus realizing a ''broadside array'') in front of a large reflector (horizontal wires) to make it uni-directional.](https://commons.wikimedia.org/wiki/Special:FilePath/SCR-270 Radar Antenna2.jpg?width=200 "A [[reflective array antenna]] for radar consisting of numerous dipoles fed in-phase (thus realizing a ''broadside array'') in front of a large reflector (horizontal wires) to make it uni-directional.")
![UTR-2]] radio telescope. The 8 m by 1.8 m diameter galvanized steel wire dipoles have a bandwidth of 8–33 MHz.](https://commons.wikimedia.org/wiki/Special:FilePath/UTR-2 - P3094042 (wiki).jpg?width=200 "UTR-2]] radio telescope. The 8 m by 1.8 m diameter galvanized steel wire dipoles have a bandwidth of 8–33 MHz.")
![Camouflaged]] transformer in [[Langley City]]](https://commons.wikimedia.org/wiki/Special:FilePath/Camoflaged Transformer Langley City.jpg?width=200 "Camouflaged]] transformer in [[Langley City]]")
![An [[electrical substation]] in [[Melbourne]], [[Australia]]
showing three of five 220 kV – 66 kV transformers, each with a capacity of 150 MVA](https://commons.wikimedia.org/wiki/Special:FilePath/Melbourne Terminal Station.JPG?width=200 "An [[electrical substation]] in [[Melbourne]], [[Australia]]
showing three of five 220 kV – 66 kV transformers, each with a capacity of 150 MVA")
![Transformer at the [[Limestone Generating Station]] in [[Manitoba]], Canada](https://commons.wikimedia.org/wiki/Special:FilePath/Transformer-Limestone-Generating-Station.JPG?width=200 "Transformer at the [[Limestone Generating Station]] in [[Manitoba]], Canada")
Wikipedia
The Fannie and John Hertz Foundation is an American non-profit organization that awards fellowships to Ph.D. students in the applied physical, biological and engineering sciences. The fellowship provides $250,000 of support over five years. The goal is for Fellows to be financially independent and free from traditional restrictions of their academic departments in order to promote innovation in collaboration with leading professors in the field. Through a rigorous application and interview process, the Hertz Foundation seeks to identify young scientists and engineers with the potential to change the world for the better and supports their research endeavors from an early stage. Fellowship recipients pledge to make their skills available to the United States in times of national emergency.
