Electrically short

Electrically short

An electrically short antenna is an antenna of length 2h, such that2 pi hoverlambda scriptstylell 1 cite book |author=Kraus, John D.|title=Antennas|publisher=McGraw-Hill|year=1950 Chapter 3, The antenna as an aperture, pp 49.] .An electrically short transmission line is a transmission line in which all of its effects will complete within one cycle of an impressed alternating current.

References


Wikimedia Foundation. 2010.

Игры ⚽ Поможем решить контрольную работу

Look at other dictionaries:

  • Electrically conducting yarn — An electrically conducting yarn is yarn that conducts electricity. Conducting yarns are used to manufacture carpets and other items that dissipate static electricity, [1] such as work clothes in highly flammable environments, e.g., in the… …   Wikipedia

  • Short circuit — A short circuit (sometimes abbreviated to short or s/c) allows a current along a different path from the one intended. The electrical opposite of a short circuit is an open circuit , which is an infinite resistance between two nodes. It is common …   Wikipedia

  • Short Sunderland — infobox Aircraft name = Sunderland type = Military flying boat manufacturer = Short Brothers caption = designer = first flight = 16 October 1937 introduced = 1938 retired = 1967 status = primary user = Royal Air Force more users = French Navy… …   Wikipedia

  • Short SB5 — infobox Aircraft name = SB/5 type = experimental aircraft manufacturer = Short Brothers caption = designer = first flight = 2 December 1952 introduced = retired = 1967, after a student at the Empire Test Pilot School inadvertently jettisoned the… …   Wikipedia

  • Short SC.1 — infobox Aircraft name=SC.1 type=Experimental aircraft manufacturer=Short Brothers caption= XG900 colour profile designer= first flight=2 April 1957 (CTOL) 26 May 1958 (VTOL) introduced= retired=1971 status= primary user=Royal Aircraft… …   Wikipedia

  • short circuit between the plates — An undesirable electrically conductive connection between the positive and negative plates within a battery cell, making the battery inoperative …   Dictionary of automotive terms

  • Rubber Ducky antenna — on a transceiver The Rubber Ducky antenna (or Rubber Duck aerial) is an electrically short monopole antenna which functions somewhat like a base loaded whip antenna and is sealed in a rubber or plastic jacket to protect the antenna.[1]… …   Wikipedia

  • Metamaterial antenna — This Z antenna tested at the National Institute of Standards and Technology is smaller than a standard antenna with comparable properties. Its high efficiency is derived from the Z element inside the square that acts as a metamaterial, greatly… …   Wikipedia

  • Folded unipole antenna — The folded unipole antenna was first devised for broadcast use by the late John H. Mullaney, an American radio broadcast pioneer, and consulting engineer. Designed to solve some difficult problems with existing medium wave (MW) amplitude… …   Wikipedia

  • Whip antenna — on car A whip antenna is an antenna consisting of a single straight flexible wire or rod, often mounted above some type of conducting surface called a ground plane.[1] The bottom end of the whip is connected to the radio receiver or transmitter.… …   Wikipedia

Share the article and excerpts

Direct link
Do a right-click on the link above
and select “Copy Link”