Spatial Coherence Properties of Planar Antennas

Martin A. Plonus*

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review


Lateral spatial coherence of an antenna is modeled by random phase front tilts. An effective source coherence length is introduced, and a generalized Fresnel coefficient which takes into account the coherence of the source is abstracted. Generalized reciprocity relationships for beamwidth and source coherence as well as for observed coherence and source power distribution valid in the near and far field are developed.

Original languageEnglish (US)
Pages (from-to)892-897
Number of pages6
JournalIEEE Transactions on Antennas and Propagation
Issue number7
StatePublished - Jul 1991

ASJC Scopus subject areas

  • Electrical and Electronic Engineering

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