NDLI: Reduction of truncation errors in planar near-field aperture antenna measurements using the method of alternating orthogonal projections

Content Provider	IEEE Xplore Digital Library
Author	Martini, E. Breinbjerg, O. Maci, S.
Copyright Year	2006
Description	Author affiliation: Orsted-DTU, Electromagn. Syst., Tech. Univ. of Denmark, Lyngby (Martini, E.; Breinbjerg, O.)
Abstract	A simple and effective procedure for the reduction of truncation error in planar near-field to far-field transformations is presented. The starting point is the consideration that the actual scan plane truncation implies a reliability of the reconstructed plane wave spectrum of the field radiated by the antenna only within a certain region inside the visible range. Then, the truncation error is reduced by a Maxwellian continuation of the reliable portion of the spectrum: after back propagating the measured field to the antenna plane, a condition of spatial concentration of the primary field is exploited to define a convergent iterative process which is also stable against moderately noisy data. Far-field patterns reconstructed from both simulated and measured near-field data demonstrate the effectiveness of the proposed procedure.
Starting Page	1
Ending Page	6
File Size	312041
Page Count	6
File Format	PDF
ISBN	9789290929376
DOI	10.1109/EUCAP.2006.4584841
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2006-11-06
Publisher Place	France
Access Restriction	Subscribed
Rights Holder	ESA
Subject Keyword	Antenna measurements Magnetic field measurement Image resolution Electromagnetic measurements Antennas and propagation Reliability engineering Aperture antennas Velocity measurement Finite wordlength effects Image reconstruction
Content Type	Text
Resource Type	Article

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