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Deutsch: Die Fresnelsche Zone ist ein gedachtes Rotationsellipsoid, in dessen Brennpunkten die beiden Antennen stehen und über dessen Rand der Umweg für das reflektierte Signal eine halbe Wellenlänge beträgt.
English: The Fresnel zone is one of a (theoretically infinite) number of a concentric ellipsoids of revolution which define volumes in the radiation pattern of a (usually) circular aperture.
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9 November 2007

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Date/TimeThumbnailDimensionsUserComment
current18:50, 26 March 2011Thumbnail for version as of 18:50, 26 March 2011800 × 400 (24 KB)JcmcclurgAdded d1, d2 to show distances in Fresnel radius formula. Added n=1 to indicate that this diagram shows the first Fresnel zone. Changed b to r, to be consistent with the Fresnel radius formula. Changed d to D, so as not to confuse with d1, d1. Added P
18:06, 28 January 2009Thumbnail for version as of 18:06, 28 January 2009800 × 400 (23 KB)Winniehell{{Information |Description={{de|*Die Fresnelsche Zone ist ein gedachtes Rotationsellipsoid, in dessen Brennpunkten die beiden Antennen stehen und über dessen Rand der Umweg für das reflektierte Signal eine halbe Wellenlänge beträgt.}} {{en|*The Fresne

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