Fresnel region

From International Dictionary of Marine Aids to Navigation
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urn:mrn:iala:dic:4-1-0310

For a transmitting antenna system, the region near the antenna system where the wavelets arriving from the various parts of the system cannot be considered to follow parallel paths.

Reference: B.S. (modified)




Please note that this is the term as it stands in the original IALA Dictionary edition (1970-1989)

Languages

English

Centre of buoyancy

South

International Association of Marine Aids to Navigation and Lighthouse Authorities - AISM

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