NDLI: Inverse source characterization for electromagnetic near field reconstruction and interaction with the environment

Content Provider	IEEE Xplore Digital Library
Author	Gati, A. Adane, Y. Wong, M.F. Wiart, J. Fouad Hanna, V.
Copyright Year	2006
Description	Author affiliation: RESA/FACE, France Telecom R&D, Issy-les-Moulineaux (Gati, A.; Adane, Y.; Wong, M.F.; Wiart, J.)
Abstract	Antennas are sources of electromagnetic radiation. The radiation pattern and gain can be routinely obtained by measurements and characterize efficiently the radiation of the source regardless of its actual complexity. However in some applications, one may need to analyze the source interaction with its close environment in the near field region instead of the far field one. In this paper, we partition the antenna geometry with overlapping smaller spheres than the minimum one. The field at a point in the near field is the superposition of the field radiated by the sub-sources or equivalent sources circumscribed by the small spheres. The inverse or synthesis problem is to find these equivalent sources given the radiation pattern or its spherical harmonics spectrum. The radiated fields of the equivalent sources are expanded in terms of spherical harmonics which is locally associated with their minimum spheres
Sponsorship	Motorola Air Force Office of Sci. Res. ANSOFT
Starting Page	1065
Ending Page	1068
File Size	267193
Page Count	4
File Format	PDF
ISBN	1424401232
DOI	10.1109/APS.2006.1710718
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2006-07-09
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Electromagnetic fields Antenna radiation patterns Electromagnetic measurements Electromagnetic radiation Electromagnetic compatibility Antenna measurements Telecommunications Research and development Electromagnetic analysis Radio communication
Content Type	Text
Resource Type	Article

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