dummy antenna - translation to ελληνικό
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dummy antenna - translation to ελληνικό

DEVICE USED TO SIMULATE AN ELECTRICAL LOAD
Electronic load; Electronic Load; Dummy antenna
  • Four heavy duty dummy loads used at an amplifier shootout
  • Microwave dummy load designed to attach to [[waveguide]].

dummy antenna         
ομοίωμα κεραίας
aerial wire         
  • base station]] antennas
  • The wave reflected by earth can be considered as emitted by the image antenna.
  •  The currents in an antenna appear as an image in ''opposite'' phase when reflected at grazing angles. This causes a phase reversal for waves emitted by a horizontally polarized antenna (center) but not for a vertically polarized antenna (left).
  • θ}} = 0 .
  • Film on working of antenna
  • Electronic symbol for an antenna
  • Typical center-loaded mobile CB antenna with [[loading coil]]
  • An automobile's [[whip antenna]], a common example of an omnidirectional antenna.
  • I}}</span>) whose width is proportional to the amplitude of the quantity at that point on the antenna.
  • Diagram of the [[electric field]]s (''<span style="color:blue;">'''blue'''</span>'') and [[magnetic field]]s (''<span style="color:red;">'''red'''</span>'') radiated by a [[dipole antenna]] ('' '''black''' rods'') during transmission.
  • Half-wave [[dipole antenna]]
  • Polar plots of the horizontal cross sections of a (virtual) Yagi-Uda-antenna. Outline connects points with 3&nbsp;dB field power compared to an ISO emitter.
  • df=dmy-all}}</ref>
ELECTRICAL DEVICE WHICH CONVERTS ELECTRIC POWER INTO RADIO WAVES, AND VICE VERSA
Antenna theory; Radio antenna; Antennas; Antenna (electronics); Antenna (astronomy); Antena (radio); Antenna (electromagnetism); Radio antennas; External removable antenna; External antenna; TV Aerial; Radio antennae; Radio Antenna; Aerial Wire; Polarization (antenna); Aerial (radio); Polarization (antennas); Antenna bandwidth; GP antenna; Antenna polarization; Antennas (radio)
σύρμα κεραίας
ομοίωμα κεραίας      
dummy antenna

Ορισμός

antennule
[an't?nju:l]
¦ noun Zoology a small antenna, especially either of the first pair of antennae in a crustacean.

Βικιπαίδεια

Dummy load

A dummy load is a device used to simulate an electrical load, usually for testing purposes. In radio a dummy antenna is connected to the output of a radio transmitter and electrically simulates an antenna, to allow the transmitter to be adjusted and tested without radiating radio waves. In audio systems, a dummy load is connected to the output of an amplifier to electrically simulate a loudspeaker, allowing the amplifier to be tested without producing sound. Load banks are connected to electrical power supplies to simulate the supply's intended electrical load for testing purposes.