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ground plane

noun
1.
(in perspective drawing) the theoretical horizontal plane receding from the picture plane to the horizon, beginning at the level of the base line.
2.
Electricity. a ground plate or an underground mesh of radial wires connected to a vertical antenna (ground plane antenna) that is grounded in order to provide suitable radiation characteristics.
Origin
1825-1835
1825-35
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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Examples from the web for ground plane
  • The ground plane ranges from stiff radial wires to sheet metal discs and cones.
  • Shrubs soften the transition between wall and ground plane.
  • The second mast site should be selected to avoid digging cable conduit runs across ground plane radials.
  • The purpose of the ground plane is to reduce electrostatic coupling to the plasma.

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