NDLI: MUSIC Algorithm for Two-Dimensional Inverse Problems With Special Characteristics of Cylinders

Content Provider	IEEE Xplore Digital Library
Author	Xudong Chen Agarwal, K.
Copyright Year	1963
Abstract	A multiple signal classification (MUSIC) algorithm is proposed to determine the positions of small cylinders, which have some special characteristics that may lend traditional MUSIC unsuccessful. The TM case is discussed in detail. Up to three independent currents are induced on each cylinder in the TM case. However, for a cylinder, if the material property is the same as the background medium in one or two of the principal axes, or if the geometry makes one or two of the induced currents very small with respect to the others (so as to be negligible in noisy scenario), the number of significant sources may be less than three and the traditional MUSIC may fail in locating the cylinder. In such event, knowledge of the direction of the induced source becomes mandatory to locate the cylinder. The proposed method determines the direction of the induced source and uses the background Green's function corresponding to it as MUSIC's test function. The method uses minimization of the analytical expressions and gives good results in noise-free as well as noisy scenarios.
Sponsorship	IEEE Antennas and Propagation Society
Starting Page	1808
Ending Page	1812
Page Count	5
File Size	724987
File Format	PDF
ISSN	0018926X
Volume Number	56
Issue Number	6
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2008-06-01
Publisher Place	U.S.A.
Access Restriction	One Nation One Subscription (ONOS)
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Multiple signal classification Inverse problems Engine cylinders Geometry Classification algorithms Material properties Testing Electromagnetic scattering Acoustic scattering Tensile stress two-dimensional electromagnetic inverse problems Multiple signal classification (MUSIC)
Content Type	Text
Resource Type	Article
Subject	Condensed Matter Physics Electrical and Electronic Engineering

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4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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