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On the accuracy of physical optics

Name: On the accuracy of physical optics
Creator: Per-Simon Kildal
Keywords: 0202 electrical engineering, electronic engineering, information engineering, 02 engineering and technology

descriptionPublicationkeyboard_double_arrow_right Article 01 May 1982Publisher:Institute of Electrical and Electronics Engineers (IEEE)Journal:IEEE Transactions on Antennas and Propagation, volume 30, pages 509-512 (issn: 0096-1973,

Authors: Per-Simon Kildal;

doi: 10.1109/tap.1982.1142809

On the accuracy of physical optics

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Abstract

The first-order correction to the physical optics (PO) solution for the axial radiation field from parabolic reflector antennas is found. The correction is of order k^{-1} and is in quadrature with the PO solution. By means of the correction term the accuracy of the PO surface integral is round to be better than 0.22(\lambda/D)^{2} dB on axis, where D is the diameter of the reflector. Thus, the PO solution for the directivity is extremely accurate for commun reflector sizes of several wavelengths \lambda .

Related Organizations

St Olav's University Hospital
Norway
Norwegian Institute of Technology
Norway

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Fields of Science

engineering and technology

electrical engineering, electronic engineering, information engineering

Fields of Science

engineering and technology

electrical engineering, electronic engineering, information engineering

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