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A common design for a counterpoise is a series of radial wires suspended a few feet above the ground, extending from the base of the antenna in all directions in a "star" pattern, connected at the center. [2] The counterpoise functions as one plate of a large capacitor, with the conductive layers in the earth as the other plate. [2]
Contrapposto (Italian pronunciation: [kontrapĖposto]) is an Italian term that means "counterpoise". It is used in the visual arts to describe a human figure standing with most of its weight on one foot, so that its shoulders and arms twist off-axis from the hips and legs in the axial plane.
In a few cases where rocky or sandy soil has too high a resistance for a buried ground, a counterpoise is used. [11] This is a radial network of wires similar to that in a buried ground system, but lying on the surface or suspended a few feet above the ground.
A counterpoise amulet (menat and counterpoise), celebrating the Heb-Sed, of Psammetichus I. A counterpoise amulet, (menat and counterpoise), for Psammetichus I uses the three separate hieroglyphs for pavilion, hall, and basin. The sequence is hall-above-basin, then pavilion.
The later, and often larger and more powerful, counterweight trebuchet, also known as the counterpoise trebuchet, uses a counterweight to swing the arm. It appeared in both Christian and Muslim lands around the Mediterranean in the 12th century, and was carried back to China by the Mongols in the 13th century.
Counterpoise (1997-2011) is an alternative review journal formerly based in Gainesville, Florida (United States). It was founded in 1997 by Charles Willett (1932-2012), as a project of the AIP Task Force [ 1 ] of the American Library Association 's Social Responsibilities Round Table. [ 2 ]
The Malqata Menat was found by the Metropolitan Museum of Art Expedition in 1910, in a private house near the Heb Seds palace of Amenhotep III in Malqata, Thebes. [1] A menat is a type of necklace made up of a series of strings of beads that form a broad collar and a metal counterpoise.
For a monopole antenna (a), the Earth acts as a ground plane to reflect radio waves directed downwards, making them seem to come from a virtual "image antenna" (b).In Telecommunications, a ground plane is a flat or nearly flat horizontal conducting surface that serves as part of an antenna, to reflect the radio waves from the other antenna elements.